YSI

YSI is your one-stop source for environmental water quality monitoring instrumentation, offering single and multiparameter instruments, integrated systems, and accessories for most unattended monitoring, water quality sampling, profiling and logging applications. Read more...

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YSI ProQuatro Multiparameter Water Quality Meter
YSI ProQuatro Multiparameter Water Quality Meter
Measures a variety of combinations of dissolved oxygen, conductivity, specific conductance, salinity, resistivity, total dissolved solids (TDS), pH, ORP, pH/ORP combination, ammonium (ammonia), nitrate, chloride and temperature.
$1,399.00
YSI TruLab pH/ISE 1320 Laboratory Benchtop Meter
YSI TruLab pH/ISE 1320 Laboratory Benchtop Meter
Dual channel meter for dual measurement of pH, mV (ORP) or ISE, AutoRead function improves repeatability.
Starting at $1,885.31
YSI ProDSS Multiparameter Meter
YSI ProDSS Multiparameter Meter
Portable digital sampling for the measurement of up to 17 water quality parameters, probe sold separately.
Starting at $2,053.50
YSI MultiLab 4010-1W Water Quality Instrument
YSI MultiLab 4010-1W Water Quality Instrument
Single channel input with wireless capability for pH, ORP, optical-Based DO/BOD, or conductivity.
Starting at $1,384.24
YSI Pro20 Dissolved Oxygen Meter
YSI Pro20 Dissolved Oxygen Meter
Rugged, reliable DO meter that is easy to operate while featuring user-replaceable sensors and cables .
Some Models in Stock
Starting at $701.10
YSI Pro2030 Dissolved Oxygen & Conductivity Meter
YSI Pro2030 Dissolved Oxygen & Conductivity Meter
Measures dissolved oxygen, salinity, conductivity, specific conductance, TDS, barometric pressure and temperature.
Starting at $948.10
YSI ProSolo Dissolved Oxygen Meter
YSI ProSolo Dissolved Oxygen Meter
Handheld, optical DO field meter ideal for applications including aquaculture, coastal, estuary, and wetland sampling.
$1,029.50
YSI 9800 Photometer
YSI 9800 Photometer
Portable, multi-parameter photometer for water quality testing in the field and laboratory.
$1,650.00
YSI ProSwap Digital Water Quality Meter
YSI ProSwap Digital Water Quality Meter
Versatile handheld meter with interchangeable sensors, onboard memory, built-in temperature sensor.
Starting at $1,233.25
YSI MultiLab 4010-2W Water Quality Instrument
YSI MultiLab 4010-2W Water Quality Instrument
Two-channel input with wireless capability for pH, ORP, DO/BOD, and conductivity, and built-in OUR/SOUR calculations.
Starting at $1,883.44
YSI EcoSense pH1000A Benchtop pH Meter
YSI EcoSense pH1000A Benchtop pH Meter
Measures pH, ORP & temperature with automatic buffer recognition for reliable calibrations.
Starting at $394.50
YSI Pro1030 Multiparameter Meter
YSI Pro1030 Multiparameter Meter
Tough, smart and versatile pH/ORP/Conductivity/Salinity/TDS/Temperature meter designed for rugged field work.
$999.00 $949.05
YSI 900 Chlorine Colorimeter
YSI 900 Chlorine Colorimeter
Single parameter colorimeter for total and free chlorine, ideal for laboratory and field testing.
In Stock
$494.50
YSI EcoSense DO200A Dissolved Oxygen / Temperature Meter
YSI EcoSense DO200A Dissolved Oxygen / Temperature Meter
Accurate, economical, handheld measurements, IP67 waterproof housing.
Starting at $362.19
YSI Pro1020 pH / ORP & DO Meter
YSI Pro1020 pH / ORP & DO Meter
Handheld meter that measures dissolved oxygen and temperature along with either pH or ORP (redox).
$998.00 $948.10
YSI Pro20i Dissolved Oxygen Meter
YSI Pro20i Dissolved Oxygen Meter
Portable, easy to use and reliable measurement of DO, IP67 waterproof, one touch calibration.
Starting at $1,092.00
YSI 626663 ProSolo ODO/T Kit
YSI 626663 ProSolo ODO/T Kit
Includes ProSolo dissolved oxygen meter, ODO/T probe assembly with 4-meter cable, and soft-sided carrying case.
$1,923.00
YSI EcoSense EC300A Conductivity Meter
YSI EcoSense EC300A Conductivity Meter
Accurate, economical, handheld measurements, IP67 waterproof housing.
Starting at $371.92
YSI pHotoFlex Colorimeter
YSI pHotoFlex Colorimeter
Portable Colorimeters for lab and field, calibration adjustment for selected methods, multiparameters.
Starting at $1,256.75
YSI 626660 ProSolo ODO/CT Kit
YSI 626660 ProSolo ODO/CT Kit
Includes ProSolo dissolved oxygen meter, ODO/CT probe assembly with 4-meter cable, and soft-sided carrying case.
$2,534.25
YSI TruLab pH 1110 pH Meter
YSI TruLab pH 1110 pH Meter
Single channel benchtop meter for pH, mV (ORP) and temperature measurements in the laboratory.
$702.71
YSI EcoSense pH100A pH/ORP Meter
YSI EcoSense pH100A pH/ORP Meter
Accurate, economical, handheld, IP67 waterproof housing.
Starting at $318.01
YSI EcoSense pH10 pH Tester
YSI EcoSense pH10 pH Tester
pH and temperature measurement in a pen-style tester with graphic display.
$141.25 $134.19
YSI EcoSense EC30A Conductivity Pen
YSI EcoSense EC30A Conductivity Pen
Measures conductivity, TDS, Temperature, IP67 waterproof housing, automatic temperature compensation.
$181.50
YSI EcoSense ORP15 ORP Tester
YSI EcoSense ORP15 ORP Tester
ORP and temperature measurement in a pen-style tester with graphic display.
$204.00 $193.80
YSI EcoSense pH/EC1030A pH and Conductivity Pen
YSI EcoSense pH/EC1030A pH and Conductivity Pen
Easy-to-use graphic interface, simple one-hand operation, memory and IP-67 waterproof housing.
$211.25
YSI EcoSense pH100M pH/ORP Meter
YSI EcoSense pH100M pH/ORP Meter
Accurate, economical, handheld, IP67 waterproof housing, 250 data sets.
Starting at $381.66
YSI EcoSense DO200M Dissolved Oxygen / Temperature Meter
YSI EcoSense DO200M Dissolved Oxygen / Temperature Meter
Accurate, economical, handheld measurements, IP67 waterproof housing, 250 data sets.
Starting at $450.30
YSI EcoSense ODO200 Dissolved Oxygen Meter
YSI EcoSense ODO200 Dissolved Oxygen Meter
Handheld, dissolved oxygen % and mg/L (optical) temperature, automatic temperature compensation.
Starting at $453.25
YSI EcoSense EC300M Conductivity Meter
YSI EcoSense EC300M Conductivity Meter
Accurate, economical, handheld measurements, IP67 waterproof housing.
Starting at $469.78
YSI EcoSense ODO200M Dissolved Oxygen Meter
YSI EcoSense ODO200M Dissolved Oxygen Meter
Handheld, dissolved oxygen % and mg/L (optical) temperature, automatic temperature compensation.
Starting at $577.00
YSI Pro10 pH / ORP Meter
YSI Pro10 pH / ORP Meter
Portable, user replaceable sensors and cables, 50 data set memory, IP67 protection.
$641.75
YSI 910 COD Colorimeter
YSI 910 COD Colorimeter
Single parameter colorimeter for COD, rugged, waterproof, multi range ideal for laboratory and field testing.
$721.00
YSI Pro30 Conductivity Meter
YSI Pro30 Conductivity Meter
Handheld field meter for conductivity, salinity, TDS and temperature.
$766.00 $727.70
YSI TruLab pH 1310 & 1310P Meters
YSI TruLab pH 1310 & 1310P Meters
Single channel, laboratory quality meter for pH, mV (ORP) and temperature measurements. With datalogging and optional printer. .
Starting at $939.44
YSI 626664 ProSolo ODO/T Kit
YSI 626664 ProSolo ODO/T Kit
Includes ProSolo dissolved oxygen meter, ODO/T probe assembly with 10-meter cable, and soft-sided carrying case.
$1,985.50
YSI MultiLab 4010-3W Water Quality Instrument
YSI MultiLab 4010-3W Water Quality Instrument
Three-channel input with wireless capability for pH, ORP, DO/BOD, and conductivity, and built-in OUR/SOUR calculations.
$2,427.36
YSI 626661 ProSolo ODO/CT Kit
YSI 626661 ProSolo ODO/CT Kit
Includes ProSolo dissolved oxygen meter, ODO/CT probe assembly with 10-meter cable, and soft-sided carrying case.
$2,607.50
YSI TAL-PC Total Algae Package Kit
YSI TAL-PC Total Algae Package Kit
Brings together the most relevant sensors and tools for your freshwater algae sampling applications.
$10,560.00
YSI TAL-PE Total Algae Package Kit
YSI TAL-PE Total Algae Package Kit
Brings together the most relevant sensors and tools for your salt water algae sampling applications.
$10,560.00
YSI Calibration Solutions and Standards
YSI Calibration Solutions and Standards
Full range of calibration solutions and standards for YSI analytical meters.
Some Models in Stock
Starting at $41.75
YSI 5908 Dissolved Oxygen Cap Membrane Kit
YSI 5908 Dissolved Oxygen Cap Membrane Kit
Bottle of electrolyte, sanding disc, and 6 yellow, screw-on cap, 1.25mL PE membranes for Polarographic.
In Stock
$79.25 $75.29
YSI 5913 Dissolved Oxygen Cap Membrane Kit for Galvanic Sensors
YSI 5913 Dissolved Oxygen Cap Membrane Kit for Galvanic Sensors
Six-pack of 1.25 mil PE membranes with yellow caps.
$81.25 $77.19
YSI 1001 pH Sensor
YSI 1001 pH Sensor
pH sensor for YSI Pro Series analytical instruments.
In Stock
$213.25 $202.59
YSI 400424 TruLine Nitrate ISA
YSI 400424 TruLine Nitrate ISA
TruLine Nitrate Ionic Strength Adjustor, 500 mL.
$74.98
YSI Photometer Test Kits
YSI Photometer Test Kits
Reagent starter kits for the YSI 9300 and 9500 photometers.
Starting at $48.50
YSI 2003 Polarographic DO Sensor
YSI 2003 Polarographic DO Sensor
Polarographic dissolved oxygen sensor for YSI Pro Series analytical instruments.
Some Models in Stock
Starting at $229.00 $217.55
YSI 626500 IDS ProOBOD Probe
YSI 626500 IDS ProOBOD Probe
Optical self-stirrring BOD probe with temperature sensor, IDS.
$1,163.76
YSI ProDSS ODO/CT Replacement Sensor Cap
YSI ProDSS ODO/CT Replacement Sensor Cap
2-year warranty ODO sensor cap for ProDSS ODO/CT probes.
$209.00
YSI 626964 ProDSS pH/ORP Module
YSI 626964 ProDSS pH/ORP Module
User-replaceable ProDSS pH/ORP Module is used with the 626904 ProDSS pH/ORP Sensor.
$298.00
YSI 5906 Dissolved Oxygen Cap Membrane Kit
YSI 5906 Dissolved Oxygen Cap Membrane Kit
Six-pack of 1 mil Teflon membranes with black caps.
In Stock
$79.25 $75.29
YSI EcoSense pH100 pH Probes
YSI EcoSense pH100 pH Probes
Probes and electrodes for use with the YSI pH100 meter.
Starting at $64.60
YSI 060906 Conductivity Standard
YSI 060906 Conductivity Standard
Conductivity standard, 1,413 uS/cm, +/- 1.0% tolerance, NIST traceable, case of eight individual pints.
$156.00
YSI 559 Replacement DO Sensor Module
YSI 559 Replacement DO Sensor Module
Replacement DO sensor module for YSI 550A and 556 dissolved oxygen meters.
$256.00 $243.20
YSI 400382 TruLine Cadmium Electrode Kit
YSI 400382 TruLine Cadmium Electrode Kit
Includes ISE with refillable reference, fill solution, ISA, and high standard.
$934.09
YSI LR44 Batteries
YSI LR44 Batteries
Replacement LR44 Batteries.
$6.75 $6.41
YSI 250115Y Printer Paper
YSI 250115Y Printer Paper
Printer paper for MultiLab 4010P-1, TruLab 1310P, and TruLab 1320P built in printers, 1 roll.
$12.48
YSI Rochelle Salt Liquid Reagent
YSI Rochelle Salt Liquid Reagent
Rochelle Salt, liquid reagent, 30 ml or 500 ml, number of tests varies with hardness concentration.
Starting at $15.50
YSI 605611 USB Cable
YSI 605611 USB Cable
USB cable for connecting instrument with USB-mini B to a computer.
$15.60
YSI 251416Y Hydrazine Reagent
YSI 251416Y Hydrazine Reagent
Hydrazine, 100 mL for 50 tests, 0.004 to 0.600 mg/L.
$21.75
YSI TruLine Ammonia Electrode FS
YSI TruLine Ammonia Electrode FS
TruLine Ammonia Electrode Filling Solution, 60 mL.
$23.57
YSI 400373 TruLine Ammonium Electrode FS
YSI 400373 TruLine Ammonium Electrode FS
TruLine Ammonium Electrode Reference Filling Solution, 60 mL.
$23.57
YSI 400383 TruLine Cadmium Electrode FS
YSI 400383 TruLine Cadmium Electrode FS
TruLine Cadmium Electrode Reference Filling Solution, 60 mL.
$23.57
YSI 400389 TruLine Calcium Electrode FS
YSI 400389 TruLine Calcium Electrode FS
TruLine Calcium Electrode Reference Filling Solution, 60 mL.
$23.57
YSI 400444 TruLine Sodium Soaking Solution
YSI 400444 TruLine Sodium Soaking Solution
TruLine Sodium Soaking Solution, 60 mL.
$23.57
YSI 400434 TruLine Silver/Sulfide Electrode FS
YSI 400434 TruLine Silver/Sulfide Electrode FS
TruLine Silver/Sulfide Electrode Reference Filling Solution, 60 mL.
$23.57
YSI 400429 TruLine Potassium Electrode FS
YSI 400429 TruLine Potassium Electrode FS
TruLine Potassium Electrode Reference Filling Solution, 60 mL.
$23.57
YSI 400423 TruLine Nitrate Electrode FS
YSI 400423 TruLine Nitrate Electrode FS
TruLine Nitrate Electrode Reference Filling Solution, 60 mL.
$23.57
YSI 400394 TruLine Chloride Electrode FS
YSI 400394 TruLine Chloride Electrode FS
TruLine Chloride Electrode Reference Filling Solution, 60 mL.
$23.57
YSI 400446 TruLine Copper Electrode FS
YSI 400446 TruLine Copper Electrode FS
TruLine Copper Electrode Reference Filling Solution, 60 mL.
$23.57
YSI 400404 TruLine Cyanide Electrode FS
YSI 400404 TruLine Cyanide Electrode FS
TruLine Cyanide Electrode Reference Filling Solution, 60 mL.
$23.57
YSI 400417 TruLine Lead Electrode FS
YSI 400417 TruLine Lead Electrode FS
TruLine Lead Electrode Reference Filling Solution, 60 mL.
$23.57
YSI 400412 TruLine Iodide Electrode FS
YSI 400412 TruLine Iodide Electrode FS
TruLine Iodide Electrode Reference Filling Solution, 60 mL.
$23.57
YSI 400407 TruLine Fluoride Electrode FS
YSI 400407 TruLine Fluoride Electrode FS
TruLine Fluoride Electrode Reference Filling Solution, 60 mL.
$23.57
YSI 400440 TruLine Sodium Electrode FS
YSI 400440 TruLine Sodium Electrode FS
TruLine Sodium Electrode Reference Filling Solution, 60 mL.
$23.57
YSI ProDSS ODO/CT Replacement Calibration Cup
YSI ProDSS ODO/CT Replacement Calibration Cup
$24.25
YSI Iron Reagent
YSI Iron Reagent
Iron, Total, Low Range, powder, pack of 100, multiple ranges.
Starting at $24.75
YSI 109705Y 3M KCI Solution
YSI 109705Y 3M KCI Solution
3M KCl solution for refillable lab pH probes.
$26.00
YSI Chlorine Reagent Powder
YSI Chlorine Reagent Powder
Chlorine, free reagent, powder, 10 mL, pack of 100 or 1000.
Some Models in Stock
Starting at $27.00
YSI Chlorine Total Reagent Powder
YSI Chlorine Total Reagent Powder
Chlorine, total reagent, powder, 10 mL, pack of 100 or 1000, 0.02 to 2.00 mg/L.
Starting at $27.00
YSI 251392Y Primary Standard
YSI 251392Y Primary Standard
Primary standard, 100 mL, 1.5 mg/L.
$29.00
YSI Sulfate Reagent
YSI Sulfate Reagent
Sulfate, powder, 10 ml or 25 ml, pack of 100.
Starting at $35.25
YSI 480 Shoulder Strap
YSI 480 Shoulder Strap
Convenient shoulder strap keeps your instrument close by and safe when out sampling in the field.
$37.25 $35.39
YSI 580 Soft Carrying Case
YSI 580 Soft Carrying Case
Soft carrying case YSI EcoSense pH10 and ORP15 tester.
$37.25 $35.39
YSI 603069 Belt Clip
YSI 603069 Belt Clip
Belt Clip for Pro Series.
$36.25
YSI EcoSense 110-220V Power Supply
YSI EcoSense 110-220V Power Supply
$36.25
YSI 605978 Cable / Probe Weight
YSI 605978 Cable / Probe Weight
Cable / Probe Weight, 4.9 oz, stackable, add to guard as needed to increase probe weight by 4.9 oz per piece.
$36.25
YSI Phosphate Reagent
YSI Phosphate Reagent
Phosphate (Orthophosphate), powder pack reagent, pack of 100.
Starting at $36.25
YSI QSC Calibration Kit
YSI QSC Calibration Kit
Calibration kit for IDS pH electrode, 3 ampules: 4.01, 6.86, 9.18.
$36.40
YSI 603056 Flow Cell Mounting Spike
YSI 603056 Flow Cell Mounting Spike
Attaches to the base of the flow cell to stabilize it on the ground.
$38.25
YSI 063507 Tripod
YSI 063507 Tripod
Tripod, Ideal in the lab or any other level surface.
$39.25
YSI Nitrite Reagent
YSI Nitrite Reagent
Low Range, powder, 10 ml or 25 ml, pack of 100.
Starting at $39.25
YSI 603070 Shoulder Strap
YSI 603070 Shoulder Strap
Shoulder strap for YSI Pro Series.
$39.25
YSI 5238 Dissolved Oxygen Probe Reconditioning Kit
YSI 5238 Dissolved Oxygen Probe Reconditioning Kit
400 grit sanding discs and sanding tool.
$41.75 $39.66
YSI COD Reagents
YSI COD Reagents
Low range and high range vials, Hg free option, pack of 25 or 150.
Starting at $47.50
YSI Phosphorus Reagent
YSI Phosphorus Reagent
Phosphorus, Reactive (Orthophosphate), vial, pack of 50.
Starting at $49.50
YSI 251403Y Copper Reagent
YSI 251403Y Copper Reagent
Copper, Powder, pack of 100, 0.5 to 12.00 mg/L.
$49.50
YSI 606330 Carrying Case
YSI 606330 Carrying Case
Carrying case, hard plastic with form fitted foam insert.
$51.50
YSI 5685 Half-Sensitivity Dissolved Oxygen Membrane Kit
YSI 5685 Half-Sensitivity Dissolved Oxygen Membrane Kit
Stretch-style 2 mil membrane for long-term monitoring situations.
$59.50 $56.52
YSI 606114 Conductivity Electrode
YSI 606114 Conductivity Electrode
Conductivity electrode (replacement).
$56.75
YSI Manganese Reagent
YSI Manganese Reagent
Manganese high Range or low range, powder, pack of 100.
Starting at $56.75
YSI 5775 Standard Dissolved Oxygen Membrane Kit
YSI 5775 Standard Dissolved Oxygen Membrane Kit
Stretch-style 1 mil membrane including electrolyte.
$67.75 $64.36
YSI 606110 Electrode Kit
YSI 606110 Electrode Kit
Electrode Kit, pH10A, Grey.
$67.00
YSI EcoSense 601103 Temperature Probe
YSI EcoSense 601103 Temperature Probe
Includes 1m cable.
$67.00
YSI Silica Reagent
YSI Silica Reagent
Low, high and ultra high ranges available, pack of 100.
Starting at $68.00
YSI EcoSense pH10 Electrode
YSI EcoSense pH10 Electrode
Single or double-junction pH electrodes for YSI EcoSense pH10 tester.
Starting at $69.11
YSI 1201 pH/mV Electrode
YSI 1201 pH/mV Electrode
pH/mV electrode with BNC connector and 1-meter cable.
$73.00 $69.35
YSI 5909 Dissolved Oxygen Cap Membrane Kit
YSI 5909 Dissolved Oxygen Cap Membrane Kit
Six-pack of 2 mil PE membranes with blue caps.
$76.00 $72.20
YSI 5776 High-Sensitivity Dissolved Oxygen Membrane Kit
YSI 5776 High-Sensitivity Dissolved Oxygen Membrane Kit
Stretch-style 0.5 mil membrane including electrolyte.
$76.00 $72.20
YSI 400435 TruLine Silver ISA
YSI 400435 TruLine Silver ISA
TruLine Silver Ionic Strength Adjustor, 500 mL.
$74.98
YSI TruLine Chloride Low & High Standards
YSI TruLine Chloride Low & High Standards
TruLine Chloride Low and high Standard Solutions.
Starting at $74.98
YSI 400374 TruLine Ammonium ISA
YSI 400374 TruLine Ammonium ISA
TruLine Ammonium Ionic Strength Adjustor, 500 mL.
$74.98
YSI 400368 TruLine Ammonia ISA
YSI 400368 TruLine Ammonia ISA
TruLine Ammonia Ionic Strength Adjustor Solution used with ISE TruLine electrodes, 500 mL.
$74.98
YSI 400395 TruLine Chloride ISA
YSI 400395 TruLine Chloride ISA
TruLine Chloride Ionic Strength Adjustor, 500 mL.
$74.98
YSI 400447 TruLine Copper ISA
YSI 400447 TruLine Copper ISA
TruLine Copper Ionic Strength Adjustor, 500 mL.
$74.98
YSI 400405 TruLine Cyanide ISA
YSI 400405 TruLine Cyanide ISA
TruLine Cyanide Ionic Strength Adjustor, 500 mL.
$74.98
YSI 400408 TruLine Fluoride ISA
YSI 400408 TruLine Fluoride ISA
TruLine Fluoride Ionic Strength Adjustor, 500 mL.
$74.98
YSI TruLine Calcium Low & High Standards
YSI TruLine Calcium Low & High Standards
TruLine Calcium Low and high Standard Solutions.
Starting at $74.98
YSI TruLine Ammonium Standard
YSI TruLine Ammonium Standard
TruLine Ammonium Low Standard Solution, 100 mg/L, 500 mL and high Standard Solution, 1000 mg/L, 500 mL.
Starting at $74.98
YSI 400430 TruLine Potassium ISA
YSI 400430 TruLine Potassium ISA
TruLine Potassium Ionic Strength Adjustor, 500 mL.
$74.98
YSI 400370 TruLine Ammonia High Standard
YSI 400370 TruLine Ammonia High Standard
TruLine Ammonia High Standard Solution, 1000 mg/L, 500 mL.
$74.98
YSI 400369 TruLine Ammonia Low Standard
YSI 400369 TruLine Ammonia Low Standard
TruLine Ammonia Low Standard Solution, 100 mg/L, 500 mL.
$74.98
YSI TruLine Copper Low & High Standards
YSI TruLine Copper Low & High Standards
TruLine Copper Low and high Standard Solutions.
Starting at $74.98
YSI 400418 TruLine Lead ISA
YSI 400418 TruLine Lead ISA
TruLine Lead Ionic Strength Adjustor, 500 mL.
$74.98
YSI 400441 TruLine Sodium ISA
YSI 400441 TruLine Sodium ISA
TruLine Sodium Ionic Strength Adjustor, 500 mL.
$74.98
YSI 400436 TruLine Sulfide ISA
YSI 400436 TruLine Sulfide ISA
TruLine Sulfide Ionic Strength Adjustor, 500 mL.
$74.98
YSI TruLine Cadmium Low & High Standards
YSI TruLine Cadmium Low & High Standards
TruLine Cadmium Low and high Standard Solutions.
Starting at $74.98
YSI 400413 TruLine Iodide ISA
YSI 400413 TruLine Iodide ISA
TruLine Iodide Ionic Strength Adjustor, 500 mL.
$74.98
YSI TruLine Lead Low & High Standards
YSI TruLine Lead Low & High Standards
TruLine Lead Low and high Standard Solutions.
Starting at $74.98
YSI 400390 TruLine Calcium ISA
YSI 400390 TruLine Calcium ISA
TruLine Calcium Ionic Strength Adjustor, 500 mL.
$74.98
YSI TruLine Fluoride Low & High Standards
YSI TruLine Fluoride Low & High Standards
TruLine Fluoride Low and high Standard Solutions.
Starting at $74.98
YSI TruLine Sodium Low & High Standards
YSI TruLine Sodium Low & High Standards
TruLine Sodium Low and high Standard Solutions.
Starting at $74.98
YSI TruLine Silver Low & High Standards
YSI TruLine Silver Low & High Standards
TruLine Silver Low and high Standard Solutions.
Starting at $74.98
YSI TruLine Potassium Low & High Standards
YSI TruLine Potassium Low & High Standards
TruLine Potassium Low and high Standard Solutions.
Starting at $74.98
YSI 400384 TruLine Cadmium ISA
YSI 400384 TruLine Cadmium ISA
TruLine Cadmium Ionic Strength Adjustor, 500 mL.
$74.98
YSI TruLine Iodide Low & High Standards
YSI TruLine Iodide Low & High Standards
TruLine Iodide Low and high Standard Solutions.
Starting at $74.98
YSI TruLine Nitrate Low & High Standards
YSI TruLine Nitrate Low & High Standards
TruLine Nitrate Low and high Standard Solutions.
Starting at $74.98
YSI 5912 Dissolved Oxygen Cap Membrane Kit for Galvanic Sensors
YSI 5912 Dissolved Oxygen Cap Membrane Kit for Galvanic Sensors
Six-pack of 1 mil Teflon membranes with black caps.
$80.25 $76.24
YSI 5914 Dissolved Oxygen Cap Membrane Kit for Galvanic Sensors
YSI 5914 Dissolved Oxygen Cap Membrane Kit for Galvanic Sensors
Six-pack of 2 mil PE membranes with blue caps.
$81.25 $77.19
YSI EcoSense 601101 pH Electrode
YSI EcoSense 601101 pH Electrode
Includes 1m cable.
$77.25
YSI 251993Y Nitrate Reagent
YSI 251993Y Nitrate Reagent
Nitrate, vial reagent, pack of 50 for 25 tests, 0.2-30 mg/L NO3-N; 1.0 - 133 NO3.
$82.50
YSI EcoSense ORP15 Electrode
YSI EcoSense ORP15 Electrode
Replacement electrode for YSI EcoSense ORP15 .
Starting at $88.11
YSI 1202 Temperature Probe
YSI 1202 Temperature Probe
Stainless steel temperature probe with 10K thermistor.
$93.75 $89.06
YSI EcoSense 601113 Electrode Stand
YSI EcoSense 601113 Electrode Stand
$89.75
YSI 606181 pH/EC1030A Electrode Kit
YSI 606181 pH/EC1030A Electrode Kit
Replacement pH and conductivity electrode for the YSI pH/EC1030A pen instrument.
$98.00
YSI Molybate Power Pack Reagent
YSI Molybate Power Pack Reagent
Molybdate, powder, 10 ml or 25 ml, pack of 100.
Starting at $103.00
YSI 251421Y Oxygen Scavenger Reagent
YSI 251421Y Oxygen Scavenger Reagent
Oxygen Scavenger DEHA1, powder, pack of 100 0.004 to 0.450 mg/L.
$108.25
YSI 251399Y Secondary Reference Standard
YSI 251399Y Secondary Reference Standard
Secondary Reference Standard, pack of 3, 0.0, 0.20 and 1.0 mg/L.
$110.25
YSI 108142Y WA-M Wireless Meter Module
YSI 108142Y WA-M Wireless Meter Module
Module for wireless MultiLab meters that receives information from a wireless module on the sensor.
$113.36
YSI OBOD/BOD Probe Power Stirrer Adapter
YSI OBOD/BOD Probe Power Stirrer Adapter
Adapter with input for up to 3 stirrers to connect OBOD/BOD probes to MultiLab units 4010-1W, 4010-2W and 4010-3W.
$113.36
YSI 5793 Standard Dissolved Oxygen Membrane 10-Pack
YSI 5793 Standard Dissolved Oxygen Membrane 10-Pack
Stretch-style 1 mil membranes including electrolyte.
$119.75 $113.76
YSI 603162 Carrying Case
YSI 603162 Carrying Case
Soft-sided carrying case, accommodates up to a 4-meter cable.
$116.50
YSI EcoSense 605376 ORP Electrode
YSI EcoSense 605376 ORP Electrode
Includes 1m cable.
$118.50
YSI 5794 High-Sensitivity Dissolved Oxygen Membrane 10-Pack
YSI 5794 High-Sensitivity Dissolved Oxygen Membrane 10-Pack
Stretch-style 0.5 mil membranes including electrolyte.
$125.00 $118.75
YSI Cable Adapter
YSI Cable Adapter
Cable to connect wireless sensors to wireless MultiLab units 4010-1W, 4010-2W, and 4010-3W.
Starting at $126.88
YSI 108143Y WA-S Charger
YSI 108143Y WA-S Charger
Battery charger for MultiLab wireless sensor module.
$126.88
YSI 3078 Flow Cell Adapter
YSI 3078 Flow Cell Adapter
Single port flow cell adapter for use with 603059 or 603076 flow cells.
$129.75
YSI ProODO Sensor Cap
YSI ProODO Sensor Cap
Replacement ODO sensor cap kit for the YSI ProODO dissolved oxygen meter.
$130.00
YSI 626482 OBOD Sensor Cap Kit
YSI 626482 OBOD Sensor Cap Kit
Replacement OBOD Sensor Cap Kit.
$130.75
YSI Ammonium NH4 Reagents
YSI Ammonium NH4 Reagents
Nitrogen, Ammonia, powder pack of 100, low Range vial pack of 50, high range vial pack of 50 options.
Starting at $131.00
YSI EcoSense 601102 pH & Temperature Electrode
YSI EcoSense 601102 pH & Temperature Electrode
Includes 1m cable.
$132.00
YSI 606326 Sensor Cap Kit
YSI 606326 Sensor Cap Kit
Sensor Cap Kit for EcoSense ODO200.
$134.00
YSI Nitrogen Reagent
YSI Nitrogen Reagent
Nitrogen, Total, vial reagent pack, pack of 50 for 25 tests.
Starting at $144.25
YSI 400353 TruLine pH 25 Electrode
YSI 400353 TruLine pH 25 Electrode
pH electrode no temperature, single-junction, combination, gel electrolyte, epoxy shaft with 1-m cable, BNC connector.
$147.83
YSI 251400Y Aluminum Al-1 TP Powder Pack
YSI 251400Y Aluminum Al-1 TP Powder Pack
Aluminum, powder pack reagent set with 25 ml ECR Masking liquid reagent, 100 tests.
$148.50
YSI 400366 TruLine Ammonia Electrode RM
YSI 400366 TruLine Ammonia Electrode RM
TruLine Ammonia Replacement Membrane Modules, 4 ea, includes fill solution.
$149.97
YSI Soft Carrying Case
YSI Soft Carrying Case
Organize any Pro Series meter and accessories while protecting them from the elements.
$160.50 $152.48
YSI Universal Power Supply
YSI Universal Power Supply
Universal power supply for YSI MultiLab instruments.
$158.08
YSI 108141Y WA-S Wireless Sensor Module
YSI 108141Y WA-S Wireless Sensor Module
Module for wireless MultiLab IDS sensors that sends information to a wireless module on the meter.
$164.32
YSI 112 EcoSense Flat Glass pH Sensor
YSI 112 EcoSense Flat Glass pH Sensor
Double-junction, flat glass pH sensor with 1-meter cable.
$183.50 $174.32
YSI 111 EcoSense Piercing pH Sensor
YSI 111 EcoSense Piercing pH Sensor
Double-junction, piercing tipped pH sensor with 1-meter cable.
$183.50 $174.32
YSI 1203 pH/ATC Temperature Combination Electrode
YSI 1203 pH/ATC Temperature Combination Electrode
pH/ATC temperature combination electrode with BNC connector and 1-meter cable .
$187.25 $177.89
YSI FDO Sensor Replacement Cap
YSI FDO Sensor Replacement Cap
Replacement cap for MultiLab FDO 4410W sensors.
$190.32
YSI 400351 TruLine pH 17 Electrode
YSI 400351 TruLine pH 17 Electrode
pH electrode no temperature, single-junction, combination, refillable, glass shaft with 1-m cable, BNC connector.
$194.96
YSI 251300Y Rechargeable Battery
YSI 251300Y Rechargeable Battery
Rechargeable battery for the pHotoFlex STD and pH; STD requires Lab Station.
$211.25 $200.69
YSI 4011 BOD Adapter
YSI 4011 BOD Adapter
Connects 5010 BOD probe to MultiLab 4010-1W, 4010-2W, 4010-3W instruments.
$201.76
YSI 626963 ProDSS pH Module
YSI 626963 ProDSS pH Module
User-replaceable ProDSS pH Module is used with the 626903 ProDSS pH Sensor.
$204.00
YSI 400356 TruLine ORP 51 Electrode
YSI 400356 TruLine ORP 51 Electrode
ORP electrode no temperature, single-junction, gel electrolyte, epoxy shaft with 1-m cable, BNC connector.
$205.67
YSI 2002 Galvanic DO Sensor
YSI 2002 Galvanic DO Sensor
Galvanic dissolved oxygen sensor for YSI Pro Series analytical instruments.
In Stock
$229.00 $217.55
YSI 1007 Pro Series pH Sensor and Cable
YSI 1007 Pro Series pH Sensor and Cable
Lab-grade pH sensor and 1- or 4-meter cable for the YSI Professional Plus meter.
Starting at $220.16
YSI 4010-2/3 pH Adapter
YSI 4010-2/3 pH Adapter
DIN or BNC adapter for ph, ORP, and ISE electrodes.
Starting at $220.48
YSI 400352 TruLine pH 26 Electrode
YSI 400352 TruLine pH 26 Electrode
pH electrode with temperature, single-junction, 3 in 1, gel electrolyte, epoxy shaft with 1-m cable, BNC connector, 1 banana plug, NTC 30 kOhm.
$230.31
YSI 1007 pH Sensor & Cable
YSI 1007 pH Sensor & Cable
Starting at $231.75
YSI 1008 Pro Series ORP Sensor and Cable
YSI 1008 Pro Series ORP Sensor and Cable
Lab-grade ORP/Temperature sensor and 1- or 4-meter cable for the YSI Professional Plus meter.
Starting at $234.89
YSI 1002 ORP Sensor
YSI 1002 ORP Sensor
ORP sensor for YSI Pro Series analytical instruments.
$255.00 $242.25
YSI 1008 ORP Sensor & Cable
YSI 1008 ORP Sensor & Cable
Starting at $247.25
YSI 400355 TruLine ORP 50 Electrode
YSI 400355 TruLine ORP 50 Electrode
ORP electrode no temperature, single-junction, refillable, glass shaft with 1-m cable, BNC connector.
$253.87
YSI ScienceLine Temp 136 Temperature Sensor
YSI ScienceLine Temp 136 Temperature Sensor
Temperature sensor, glass, 2 banana plugs, NTC 30kOhm.
$272.08
YSI 200900Y Data Hub
YSI 200900Y Data Hub
900 series data hub for infrared data transfer.
$288.50 $274.08
YSI 400350 TruLine pH 15 Electrode
YSI 400350 TruLine pH 15 Electrode
pH electrode with temperature, single-junction, 3 in 1, refillable, glass shaft with 1-m cable, BNC connector, 1 banana plug, NTC 30 kOhm.
$277.44
YSI Stand and Holder
YSI Stand and Holder
Stand and holder for the YSI MultiLab Line.
$284.96
YSI Pro1001A Amplified pH Sensor
YSI Pro1001A Amplified pH Sensor
Amplified pH sensor for the YSI Pro Series instruments.
$286.00
YSI 400422 TruLine Nitrate Electrode RM
YSI 400422 TruLine Nitrate Electrode RM
TruLine Nitrate Electrode Replacement Sensor Module, 1 each.
$288.15
YSI IDS 4110 Probe
YSI IDS 4110 Probe
Combination pH and temperature, plastic, gel-filled, digital, double junction probe, 5 or 10-foot cable.
Starting at $291.20
YSI 4110W Wireless Sensor
YSI 4110W Wireless Sensor
Gel-filled temperature and pH probe for ranges of temperature up to 176°F and pH up to 14.
$291.20
YSI 20 Pro Series DO Cable
YSI 20 Pro Series DO Cable
1-port cable for use with the Professional Plus instrument. The port requires a DO probe.
Some Models in Stock
Starting at $296.40
YSI TruLine pH 27 Electrode
YSI TruLine pH 27 Electrode
pH electrode no temperature, single-junction, combination, flat glass membrane, glass shaft, 3.3ft cable, BNC connector.
$301.01
YSI EcoSense EC300 Conductivity Probes
YSI EcoSense EC300 Conductivity Probes
Probe and cable assemblies for YSI EcoSense EC300 conductivity meter.
Starting at $303.52
YSI 400428 TruLine Potassium Electrode RM
YSI 400428 TruLine Potassium Electrode RM
TruLine Potassium Electrode Replacement Sensor Module, 1 each.
$311.72
YSI 10 Pro Series ISE Cable
YSI 10 Pro Series ISE Cable
1-port cable for use with the Professional Plus instrument. The port requires a ISE probe.
Starting at $313.26
YSI 400388 TruLine Calcium Electrode RM
YSI 400388 TruLine Calcium Electrode RM
TruLine Calcium Electrode Replacement Sensor Module, 1 each.
$317.08
YSI ScienceLine Temp 135 Temperature Sensor
YSI ScienceLine Temp 135 Temperature Sensor
Temperature sensor, stainless steel, 1 banana plug, NTC 30kOhm.
$319.22
YSI 60510 ISE / Temp Cable
YSI 60510 ISE / Temp Cable
ISEs include pH, ORP, Ammonium, Nitrate, and Chloride.
Starting at $329.75
YSI IDS 4120 Probe
YSI IDS 4120 Probe
Combination pH and temperature, plastic, 3 mol KCl, digital, double junction probe, 5-foot cable.
$335.92
YSI 4120W Wireless Sensor
YSI 4120W Wireless Sensor
Liquid-filled, refillable temperature and pH probe for ranges of temperature up to 176°F and pH up to 14.
$335.92
YSI 5564 & 5565 pH/ORP Probe
YSI 5564 & 5565 pH/ORP Probe
YSI pH/ORP probe is compatible with YSI 5563 cable assembly.
Starting at $336.06
YSI 626945 Hard-Sided Carrying Case
YSI 626945 Hard-Sided Carrying Case
Small case fits 1- and 4-meter cables with handheld, flow cell, and accessories.
$345.00
YSI Hard Carrying Case
YSI Hard Carrying Case
The ultimate protection for your YSI Pro Series meter.
$371.00 $352.45
YSI 1009 Pro Series pH/ORP Sensor and Cable
YSI 1009 Pro Series pH/ORP Sensor and Cable
Lab-grade pH/ORP sensor and 1- or 4-meter cable for the YSI Professional Plus meter.
Starting at $352.45
YSI 400360 Science pHT-Pt Electrode
YSI 400360 Science pHT-Pt Electrode
pH electrode with temperature, double-junction, Platinum junction, 3 in 1, glass shaft with 1-m cable.
$355.64
YSI 1003 pH/ORP Sensor
YSI 1003 pH/ORP Sensor
pH/ORP sensor for YSI Pro Series analytical instruments.
$374.50 $355.78
YSI 199163Y LSdata Software
YSI 199163Y LSdata Software
photoFlex GLP compliant PC software CD for data management and transfer.
$378.25 $359.34
YSI 1009 pH / ORP Sensor & Cable
YSI 1009 pH / ORP Sensor & Cable
Starting at $371.00
YSI 400372 TruLine Ammonium Electrode RM
YSI 400372 TruLine Ammonium Electrode RM
TruLine Ammonium Electrode Replacement Sensor Module, 1 each.
$374.92
YSI EcoSense DO200 Dissolved Oxygen Probes
YSI EcoSense DO200 Dissolved Oxygen Probes
Probe and cable assemblies for YSI EcoSense DO200 dissolved oxygen meter.
Starting at $376.91
YSI 108144Y WA-Kit Wireless Module Kit
YSI 108144Y WA-Kit Wireless Module Kit
Kit for use with 4010-1W, 4010-2W and 4010-3W MultiLab wireless units.
$380.64
YSI IDS 4211 ORP Probe
YSI IDS 4211 ORP Probe
Combination ORP and temperature, glass, digital, double junction probe, 5-foot cable.
$399.36
YSI 4210W Wireless Sensor
YSI 4210W Wireless Sensor
ORP probe with a range up to 1200mV and temperature range up to 212°F.
$399.36
YSI Science pHT-G Electrode
YSI Science pHT-G Electrode
pH electrode with temperature, double-junction, 3 in 1, ground joint junction, glass shaft with 3.3ft cable.
$413.48
YSI 30 Pro Series Conductivity Cable
YSI 30 Pro Series Conductivity Cable
Allows for the measurement of conductivity, specific conductance, salinity, total dissolved solids and temperature.
Starting at $415.86
YSI IDS 4130 pH and Temperature Probe
YSI IDS 4130 pH and Temperature Probe
Combination pH and temperature, glass, 3 mol KCL, digital, double junction probe, 5-foot cable.
$416.00
YSI 4130W Wireless Sensor
YSI 4130W Wireless Sensor
Temperature and pH probe for ranges of temperature up to 212°F and pH up to 14.
$416.00
YSI TruLine pH 21 Electrode
YSI TruLine pH 21 Electrode
pH electrode no temperature, single-junction, combination, spear tip membrane, epoxy shaft with 3.3ft (1m) cable, BNC connector.
$419.91
YSI Flow Cells
YSI Flow Cells
For applications where it is impossible or undesirable to submerge the probe module into the sample.
Starting at $420.85
YSI 1004 Ammonium, NH4+ Sensor
YSI 1004 Ammonium, NH4+ Sensor
Ammonium, NH4+ sensor for YSI Pro Series analytical instruments.
$453.25 $430.59
YSI 1005 Chloride Sensor
YSI 1005 Chloride Sensor
Chloride sensor for YSI Pro Series analytical instruments.
$453.25 $430.59
YSI 1006 Nitrate Sensor
YSI 1006 Nitrate Sensor
Nitrate sensor for YSI Pro Series analytical instruments.
$453.25 $430.59
YSI 60530 Conductivity / Temp Cable
YSI 60530 Conductivity / Temp Cable
Starting at $437.75
YSI 626946 Hard-Sided Carrying Case
YSI 626946 Hard-Sided Carrying Case
Large case fits 10-, 20-, and 30-meter cable with cable management kit, handheld, and accessories.
$444.25
YSI 4310W Wireless Conductivity Sensor
YSI 4310W Wireless Conductivity Sensor
Conductivity and temperature probe with ranges up to 2,000mS/cm and 212°F.
$460.72
YSI 4310 Conductivity and Temperature Probe
YSI 4310 Conductivity and Temperature Probe
Conductivity and temperature, epoxy body, 4-graphite electrodes, digital probe.
Starting at $460.72
YSI 400365 TruLine Ammonia Electrode Kit
YSI 400365 TruLine Ammonia Electrode Kit
Includes ISE, 2 membrane modules, fill solution, ISA, and high standard.
$662.00 $463.40
YSI 251301Y Lab Station
YSI 251301Y Lab Station
Lab Station for pHotoFlex series includes LSdata PC software, rechargeable batteries and univerisal plug, RS232. Barcode compatible.
$489.25 $464.79
YSI 5083 Flow Cell
YSI 5083 Flow Cell
YSI 5083 Flow Cell.
$520.00 $494.00
YSI 5560 Conductivity and Temperature Probe
YSI 5560 Conductivity and Temperature Probe
Combination temperature and conductivity sensor for YSI Pro Series analytical instruments.
$556.25 $528.44
YSI Science pHT-Micro Electrode
YSI Science pHT-Micro Electrode
pH electrode with temperature, double-junction, 3 in 1, platinum junction, micro electrode, glass shaft with 3.3ft cable.
$561.31
YSI 1030 Pro Series ISE/Conductivity Cable
YSI 1030 Pro Series ISE/Conductivity Cable
Requires an ISE probe while the conductivity sensor is built right into the cable.
Starting at $601.82
YSI 400439 TruLine Sodium Electrode Kit
YSI 400439 TruLine Sodium Electrode Kit
Includes ISE with refillable reference, fill solution, ISA, and high standard.
$615.94
YSI 4320W Wireless Conductivity Sensor
YSI 4320W Wireless Conductivity Sensor
Conductivity and temperature probe with ranges up to 200mS/cm and 212°F .
$639.60
YSI IDS 4320 Conductivity and Temperature Probe
YSI IDS 4320 Conductivity and Temperature Probe
For ultrapure water applications, stainless steel body, 2 electrodes, digital probe, 5-foot cable.
$639.60
YSI 1010 Pro Series Dual ISE Cable
YSI 1010 Pro Series Dual ISE Cable
2-port combo cable for use with the YSI Professional Plus instrument. The 2-ports require ISE probes.
Starting at $724.14
YSI 1020 Pro Series ISE/DO Cable
YSI 1020 Pro Series ISE/DO Cable
2-port combo cable for use with the YSI Professional Plus instrument. The 2-ports require a ISE and a DO probe.
Starting at $731.02
YSI 400406 TruLine Fluoride Electrode Kit
YSI 400406 TruLine Fluoride Electrode Kit
Includes ISE with refillable reference, fill solution, ISA, and high standard.
$761.62
YSI EcoODO Probes and Cable Assemblies
YSI EcoODO Probes and Cable Assemblies
EcoSense optical dissolved oxygen and temperature field cable and probe only.
Starting at $772.50
YSI 400393 TruLine Chloride Electrode Kit
YSI 400393 TruLine Chloride Electrode Kit
Includes ISE with refillable reference, fill solution, ISA, and high standard.
$778.76
YSI 400371 TruLine Ammonium Electrode Kit
YSI 400371 TruLine Ammonium Electrode Kit
Includes ISE with replaceable sensor module and refillable reference, fill solution, ISA, and high standard.
$789.47
YSI 400421 TruLine Nitrate Electrode Kit
YSI 400421 TruLine Nitrate Electrode Kit
Includes ISE with replaceable sensor module and refillable reference, fill solution, ISA, and high (1000 mg/L) standard.
$807.68
YSI 2030 Pro Series DO/Conductivity Cable
YSI 2030 Pro Series DO/Conductivity Cable
1-port combo cable for use with the YSI Professional Plus meter. The 1-port requires a DO probe while the conductivity is built right into the cable.
Starting at $815.10
YSI 5010 Series Self-stirring BOD Probes
YSI 5010 Series Self-stirring BOD Probes
Self-Stirring BOD Probes - Classic Design for True Reliability.
Starting at $820.09
YSI 400433 TruLine Silver/Sulfide Electrode Kit
YSI 400433 TruLine Silver/Sulfide Electrode Kit
Includes ISE with refillable reference, fill solution, ISA, and high silver standard.
$840.89
YSI ProODO Cable and Probe
YSI ProODO Cable and Probe
ProODO cable and probe includes ODO optical DO sensor and sensing cap.
Starting at $844.79
YSI 400411 TruLine Iodide Electrode Kit
YSI 400411 TruLine Iodide Electrode Kit
Includes ISE with refillable reference, fill solution, ISA, and high standard.
$847.32
YSI 5905 Series Self-stirring BOD Probes
YSI 5905 Series Self-stirring BOD Probes
For measuring dissolved oxygen in all popular size BOD bottles.
Starting at $879.46
YSI Thermoreactor
YSI Thermoreactor
For COD/thermal digestions, 115V, fixed or selectable temperatures.
Starting at $900.36
YSI ProBOD Probe
YSI ProBOD Probe
Self-stirring BOD probes designed to fit into standard U.S. style 300 mL BOD bottles .
$910.00
YSI 400403 TruLine Cyanide Electrode Kit
YSI 400403 TruLine Cyanide Electrode Kit
Includes ISE with refillable reference, fill solution, and ISA.
$911.59
YSI ODO/T Probe and Cable Assembly
YSI ODO/T Probe and Cable Assembly
Integral optical dissolved oxygen and temperature sensors, cable lengths available up to 100 meters.
Starting at $914.50
YSI 4100 IDS ProBOD Polarographic Probe
YSI 4100 IDS ProBOD Polarographic Probe
Self-stirring membrane-covered temperature sensor with a 5ft (1.5m) cable.
$917.28
YSI 400387 TruLine Calcium Electrode Kit
YSI 400387 TruLine Calcium Electrode Kit
Includes ISE with replaceable sensor module and refillable reference, fill solution, ISA, and high standard.
$934.09
YSI 400416 TruLine Lead Electrode Kit
YSI 400416 TruLine Lead Electrode Kit
Includes ISE with refillable reference, fill solution, ISA, and high standard.
$968.36
YSI 4410W Wireless FDO Sensor
YSI 4410W Wireless FDO Sensor
Fluorescent dissolved oxygen probe for ranges of up to 20 mg/L and 200% saturation with temperature sensor up to 122°F.
$979.68
YSI 400427 TruLine Potassium Electrode Kit
YSI 400427 TruLine Potassium Electrode Kit
Includes ISE with replaceable sensor module and refillable reference, fill solution, ISA, and high standard.
$997.29
YSI 400445 TruLine Copper Electrode Kit
YSI 400445 TruLine Copper Electrode Kit
Includes ISE with refillable reference, fill solution, ISA, and high standard.
$997.29
YSI 4410 FDO Sensor
YSI 4410 FDO Sensor
Fluorescent dissolved oxygen probe for ranges of up to 20 mg/L and up to 200% saturation with temperature sensor up to 122°F.
Starting at $1,050.40
YSI ProDSS Smart Sensors
YSI ProDSS Smart Sensors
Smart sensors for use with the YSI ProDSS multiparameter meter.
Starting at $1,149.50
YSI ProOBOD Probe
YSI ProOBOD Probe
Self-stirring to provide a representative sample and increase response times.
$1,238.50 $1,176.58
YSI ProSwap Cable Assemblies
YSI ProSwap Cable Assemblies
Single port cable with temperature sensor and optional depth sensor. Compatible with ProSwap and ProDSS handheld meters.
Starting at $1,228.00
YSI 5563 Cable/Sensor Assembly
YSI 5563 Cable/Sensor Assembly
Cable assembly with integral DO, temperature & conductivity sensors.
Starting at $1,363.49
YSI ODO/CT Probe and Cable Assembly
YSI ODO/CT Probe and Cable Assembly
Features integral optical dissolved oxygen, conductivity, and temperature sensors and is available in lengths up to 100 meters.
Starting at $1,489.25
YSI 5790 Pro Series Quatro Cable
YSI 5790 Pro Series Quatro Cable
4-port cable for use with the YSI Professional Plus meter to create a powerful multi-parameter sampling instrument.
Some Models in Stock
Starting at $1,741.82
YSI ProDSS Cable Assemblies
YSI ProDSS Cable Assemblies
Cable assemblies with 4 universal sensor ports and optional depth sensor.
Starting at $2,168.50
YSI 626909 / 626910 ProDSS 4 Port Cable Assembly
YSI 626909 / 626910 ProDSS 4 Port Cable Assembly
4 port cable assemblies for the ProDSS instrument available in lengths up to 100 meters, depth or no depths models.
Starting at $2,168.50