pH Transmitters

pH and ORP are important parameters of water quality and a wide range of process applications depend upon the ability to measure and control each. Both pH and ORP represent types of ion activity in liquids—pH measures hydrogen ion activity while ORP represents the potential transfer of electrons between chemicals or chemical compounds. Transmitters will help with process monitoring and control and often have multiple inputs for added versatility.

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Rosemount Analytical Model 1056 Dual Input Analyzer
Rosemount Analytical Model 1056 Dual Input Analyzer
Dual input analyzer offers a wide range of measurement choices supporting most industrial, commercial & municipal applications.
Some Models in Stock
Starting at $1,706.00
GF Signet 9900 Transmitter
GF Signet 9900 Transmitter
SmartPro single channel interface & multi-parameter input selection.
Some Models in Stock
Starting at $861.00 $774.90
GF Signet 2724-2726 pH and ORP Electrodes
GF Signet 2724-2726 pH and ORP Electrodes
DryLoc connector with corrosion-resistant gold-plated contacts, connects to the 2760 preamplifier or the 2750/1 sensor electronics.
Some Models in Stock
Starting at $375.30
Rosemount Analytical Model 3900 pH/ORP Sensor
Rosemount Analytical Model 3900 pH/ORP Sensor
3900 and 3900VP general purpose pH/ORP sensors.
Some Models in Stock
Starting at $519.57
E+H Liquiline CM442 Transmitter
E+H Liquiline CM442 Transmitter
Transmitter for pH, ORP, conductivity, oxygen, chlorine, turbidity, sludge level, SAC, nitrate and many other parameters.
Mfg. has some models in stock
Starting at $2,371.92
Rosemount Analytical 56 Dual Input Analyzer
Rosemount Analytical 56 Dual Input Analyzer
High resolution full color screen, local operator interface, 480 x 272 pixel display.
Some Models in Stock
Starting at $2,918.32
E+H Memosens CPS11E Orbisint pH Sensor
E+H Memosens CPS11E Orbisint pH Sensor
Digital Memosens 2.0 electrode for use in process, water, and wastewater industries.
Starting at $623.32
Rosemount Analytical Model TUpH 396R / 396RVP pH/ORP Sensor
Rosemount Analytical Model TUpH 396R / 396RVP pH/ORP Sensor
Titanium retractable body for insertion depths up to 27 inches and easy sensor removal.
Some Models in Stock
Starting at $1,008.42
GF Signet 9950 Two-Channel Transmitter
GF Signet 9950 Two-Channel Transmitter
Two channel transmitter/controller can support two sensors of same or different types in one instrument.
Some Models in Stock
Starting at $1,325.70
E+H Liquiline CM444 Transmitter
E+H Liquiline CM444 Transmitter
Transmitter for pH, ORP, conductivity, oxygen, chlorine, turbidity, sludge level, SAC, nitrate and many other parameters.
Mfg. has some models in stock
Starting at $3,726.82
Rosemount Analytical 1066 Liquid Analytical Transmitter
Rosemount Analytical 1066 Liquid Analytical Transmitter
Loop-powered transmitter measures pH, ORP, conductivity, resistivity, oxygen, free chlorine, total chlorine, monochloramine and ozone.
Starting at $2,606.89
E+H Liquiline M CM42 Transmitter
E+H Liquiline M CM42 Transmitter
Two-wire field device for hazardous and non-hazardous area use in chemicals, life sciences and food.
Mfg. has some models in stock
Starting at $2,435.25
Rosemount Analytical Model 396P / 396PVP TUpH pH/ORP Sensors
Rosemount Analytical Model 396P / 396PVP TUpH pH/ORP Sensors
Submersion, insertion, polypropylene, SMART enabled, Silcore technology.
Some Models in Stock
Starting at $870.17
Rosemount Analytical Model 5081 Transmitters
Rosemount Analytical Model 5081 Transmitters
Two-wire transmitter with explosion-proof enclosure measures a wide range of parameters.
Starting at $3,876.89
GF Signet 9950 Six-Channel Transmitter
GF Signet 9950 Six-Channel Transmitter
A multi-channel, multi-sensor controller allows the use of up to six GF sensors to manage complex water treatment applications.
Starting at $2,189.00
E+H Memosens CPF81E Digital pH Sensor
E+H Memosens CPF81E Digital pH Sensor
Memosens 2.0 pH sensor with gel-compact electrode and double chamber reference system for use in mining operations, industrial and wastewater treatment applications.
Starting at $768.50
Rosemount Analytical Hx338+ pH Sensor
Rosemount Analytical Hx338+ pH Sensor
Steam sterilizable & autoclavable pH sensor, provides biotechnology and pharmaceutical processes with the unique Tri-Triple reference.
$784.32
GF Signet 2734-2736 pH/ORP Electrodes
GF Signet 2734-2736 pH/ORP Electrodes
Patented reference electrode design that uses the unique foul-proof patented DryLoc connector.
Starting at $617.40
Rosemount Analytical Model 389 pH/ORP Sensor
Rosemount Analytical Model 389 pH/ORP Sensor
Insertion pH/ORP sensors with optional integral preamp.
Some Models in Stock
Starting at $806.91
AquaMetrix 60/65 Series Differential pH/ORP Sensors
AquaMetrix 60/65 Series Differential pH/ORP Sensors
Accurate differential measurement with encapsulated preamplifier, transmits up to 3000 feet.
Starting at $795.00
E+H Memosens CPS71E pH Sensor
E+H Memosens CPS71E pH Sensor
Memosens 2.0 digital pH electrode for chemical processes and poisoning media.
Mfg. has some models in stock
Starting at $653.99
Rosemount Analytical Model 1057 Multi-Parameter Analyzer
Rosemount Analytical Model 1057 Multi-Parameter Analyzer
Three-input intelligent analyzer monitors a wide range of water quality parameters.
Starting at $2,709.90
Rosemount Analytical Model 3300HT / 3300HTVP pH Sensor
Rosemount Analytical Model 3300HT / 3300HTVP pH Sensor
SMART enabled, high temp design, PERpH-X high performance.
Some Models in Stock
Starting at $1,049.98
Rosemount Analytical Model 3500 pH/ORP Sensor
Rosemount Analytical Model 3500 pH/ORP Sensor
SMART technology, electrolyte solution kits, PERpH-X™ high performance.
Starting at $1,067.15
E+H Flowfit CYA27 Flow Assembly
E+H Flowfit CYA27 Flow Assembly
Assembly for chlorine measurement in drinking, industrial, and pool water.
Mfg. has some models in stock
Starting at $940.79
E+H Memosens CPS77E pH Sensor
E+H Memosens CPS77E pH Sensor
Memosens 2.0 ISFET pH electrode for food and beverage and life sciences industries, up to 160psi.
Starting at $955.56
Rosemount Analytical Model 3400HT pH / ORP Sensor
Rosemount Analytical Model 3400HT pH / ORP Sensor
SMART technology, high temp design, and fast, accurate & stable measurements.
Starting at $1,157.51
GF Signet 2774-2777 pH and ORP Electrodes
GF Signet 2774-2777 pH and ORP Electrodes
pH and ORP electrodes with DryLoc connector with gold-plated contacts featuring a PTFE double reference junction.
Starting at $640.80
E+H Liquiline CM448 Transmitter
E+H Liquiline CM448 Transmitter
Flexible multiparameter field device for all industries, modular 4 wire controller.
Mfg. has some models in stock
Starting at $5,469.07
Rosemount Analytical RBI pH Sensors
Rosemount Analytical RBI pH Sensors
Threaded in-line, submerged or ball-valve insertion pH sensor, 0 to 14 pH measuring range.
Starting at $1,045.47
AquaMetrix 2250TX Series Flow Transmitter
AquaMetrix 2250TX Series Flow Transmitter
pH, ORP, conductivity & flow parameters available, easy calibration.
$995.00
E+H Liquiline CM14 Transmitter
E+H Liquiline CM14 Transmitter
One-channel, 4-wire controller based on digital Memosens technology for the food, power, water and wastewater industries.
Some Models in Stock
Starting at $1,427.64
Rosemount Analytical TUpH Model 396 / 396VP pH/ORP Sensors
Rosemount Analytical TUpH Model 396 / 396VP pH/ORP Sensors
Self cleaning glass bulb electrode with stainless steel body and EPDM seals .
Starting at $922.58
E+H Memosens CPS12E ORP Sensor
E+H Memosens CPS12E ORP Sensor
Digital Memosens 2.0 electrode for use in process, water, and wastewater industries.
Mfg. has some models in stock
Starting at $612.38
E+H Memosens CPS61E pH Sensor
E+H Memosens CPS61E pH Sensor
Digital, glass Memosens 2.0 pH electrode for the biotech, pharmaceutical, and food industries.
Starting at $883.99
AquaMetrix 2300 Input Controller
AquaMetrix 2300 Input Controller
Multi-parameter 4-20 mA input controller, input for four 4-20 mA sensors of any kind in any combination.
Starting at $2,595.00
AquaMetrix 500 Series Combination pH/ORP Sensors
AquaMetrix 500 Series Combination pH/ORP Sensors
Single junction industrial combination pH or ORP probes, flow through or submersion mountable.
Starting at $375.00
E+H Memosens CPS47E pH Sensor
E+H Memosens CPS47E pH Sensor
Digital, non-glass Memosens 2.0 ISFET pH electrode for the chemical, life sciences and food industries.
Starting at $1,178.40
E+H Liquiline CM44P Transmitter
E+H Liquiline CM44P Transmitter
Multiparameter device for process photometers and Memosens sensors.
Starting at $5,756.46
E+H Memosens CPS16E pH / ORP Sensor
E+H Memosens CPS16E pH / ORP Sensor
Memosens 2.0 glass electrode for simultaneous pH and ORP measurement in applications with long-term stable conditions.
Starting at $785.79
E+H CPS97E pH Sensor
E+H CPS97E pH Sensor
Memosens 2.0 ISFET sensor for polluted media in chemical processes, paper, or pigment production.
Mfg. has some models in stock
Starting at $952.46
E+H Liquiline CM442R Transmitter
E+H Liquiline CM442R Transmitter
Compact multiparameter DIN-rail and cabinet device for all industries.
Mfg. has some models in stock
Starting at $1,668.98
AquaMetrix AM-2252 Dual Input Controller
AquaMetrix AM-2252 Dual Input Controller
pH, ORP, conductivity & ISE parameters available on both channels, 1 point calibration for pH.
$1,995.00
E+H Memosens CPS91E Digital pH Sensor
E+H Memosens CPS91E Digital pH Sensor
Memosens 2.0 pH sensor with gel-compact electrode and open aperture for use with chemical, paper, and other contaminated or fibrous media applications.
Mfg. has some models in stock
Starting at $656.55
Rosemount Analytical 398R / 398RVP pH and ORP Sensors
Rosemount Analytical 398R / 398RVP pH and ORP Sensors
TUpH Retractable pH and ORP Sensors, TUpH reference technology ensures long life in the processes that coat, foul, and poison most other electrodes.
Starting at $1,309.03
E+H Liquiline CM444R Transmitter
E+H Liquiline CM444R Transmitter
Expandable multiparameter DIN-rail and cabinet device for all industries.
Mfg. has some models in stock
Starting at $2,904.61
Rosemount Analytical 398 / 398VP TUpH pH and ORP Sensor
Rosemount Analytical 398 / 398VP TUpH pH and ORP Sensor
The TUpH large area reference junction for minimal maintenance requirements, measuring range 0 to 14 pH and -1500 to 1500mV ORP.
Starting at $1,223.78
E+H Liquiline To Go CYM290 Multiparameter Meter
E+H Liquiline To Go CYM290 Multiparameter Meter
Handheld multiparameter tool for pH/ORP, conductivity, oxygen and temperature measurement.
Starting at $2,394.00
Rosemount Analytical Model 372 pH Sensor
Rosemount Analytical Model 372 pH Sensor
HF resistant pH sensor, enhanced resistance to process attack provided by field proven pH galss formulation.
Starting at $2,246.35
E+H CYZ71D Memobase Plus Software
E+H CYZ71D Memobase Plus Software
Multichannel multiparameter software for liquid analysis with digital Memosens sensors.
Starting at $2,463.68
E+H Memosens CPS31E Digital pH Sensor
E+H Memosens CPS31E Digital pH Sensor
Memosens 2.0 pH sensor with gel-compact electrode with ceramic junction for use in drinking and swimming pool water treatment applications.
Starting at $585.93
E+H Liquiline CM72 Transmitter
E+H Liquiline CM72 Transmitter
Single parameter field device for hazardous and non-hazardous applications in all industries.
Mfg. has some models in stock
Starting at $1,197.55
E+H Ceramax CPS341D pH Sensor
E+H Ceramax CPS341D pH Sensor
Memosens enamel electrode for food and life sciences industries.
Select options for pricing
E+H Memosens CPS76E pH Sensor
E+H Memosens CPS76E pH Sensor
Heavy-duty Memosens 2.0 combined electrode for simultaneous pH and ORP measurement for chemical processes and poisoning media.
Starting at $837.92
Rosemount Analytical 397 TUpH pH Sensor
Rosemount Analytical 397 TUpH pH Sensor
Offers long life & high performance in pH & ORP measurements in aqueous solutions with high suspended solids.
Starting at $961.41
AquaMetrix PTX and RTX Series pH and ORP Sensors
AquaMetrix PTX and RTX Series pH and ORP Sensors
Fully integral differential pH and ORP .
Starting at $995.00
E+H Liquiline CM82 Transmitter
E+H Liquiline CM82 Transmitter
Multiparameter field device for hazardous and non-hazardous applications in all industries.
Starting at $1,669.85
E+H Memosens CPS41E Digital pH Sensor
E+H Memosens CPS41E Digital pH Sensor
Memosens 2.0 pH sensor with ceramic junction and KCl liquid electrolyte for use in chemical, laboratory and power station applications.
Starting at $921.06
E+H Memocheck Sim CYP03D Verification Tool
E+H Memocheck Sim CYP03D Verification Tool
Configurable testing tool for analysis of Memosens measuring points.
Starting at $1,383.64
AquaMetrix AM-2250 Flow Controller
AquaMetrix AM-2250 Flow Controller
pH, ORP, conductivity & flow parameters available, three control relays for rising or falling processes, easy calibration.
$1,595.00
E+H Liquiline CM448R Transmitter
E+H Liquiline CM448R Transmitter
Flexible multiparameter DIN-rail and cabinet device for all industries.
Starting at $4,423.54
E+H Memosens CPS96E pH / ORP Sensor
E+H Memosens CPS96E pH / ORP Sensor
Electrode for heavily polluted media and suspended solids in chemical processes, paper or paint production.
Starting at $839.67
E+H Liquiline To Go Ex CYM291 Multiparameter Meter
E+H Liquiline To Go Ex CYM291 Multiparameter Meter
Ex-certified handheld multiparameter tool for pH/ORP, conductivity, oxygen and temperature measurement, IECEx, ATEX.
Starting at $4,211.88