Pulsar Measurement, Trading Name of Greyline

Pulsar Measurement, formerly Greyline Instruments, is a worldwide leader in ultrasonic instrumentation for industrial and environmental markets. They manufacture and market industrial flow and level monitoring instruments including ultrasonic level transmitters, clamp-on ultrasonic flow meters, and open channel flow meters. Read more...

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Questions? Call one of our engineers at 1-800-884-4967.
Greyline Instruments DFS 5.1 Doppler Flow Switch
Greyline Instruments DFS 5.1 Doppler Flow Switch
Precision flow control from the outside of metal or plastic pipes.
Starting at $1,195.00
Greyline Instruments OCF 6.1 Open Channel Flow & Tank Level Meter
Greyline Instruments OCF 6.1 Open Channel Flow & Tank Level Meter
Continuously monitor, display, totalize and data log flow through any flume or weir and measure level inside or above a tank.
Some Models in Stock
Starting at $2,455.00
Greyline Instruments DFM 6.1 Doppler Flow Meter
Greyline Instruments DFM 6.1 Doppler Flow Meter
Non-contact ultrasonic meter accurately displays, transmits, totalizes and controls flow from outside the pipe.
Some Models in Stock
Starting at $3,460.00
Greyline Instruments AVFM 6.1 Area Velocity Flow Meter
Greyline Instruments AVFM 6.1 Area Velocity Flow Meter
Measures flow through partially filled pipes, channels, canals and turnouts without a flume or weir.
Some Models in Stock
Starting at $4,525.00
Greyline Instruments TTFM 6.1 Ultrasonic Flow Meter
Greyline Instruments TTFM 6.1 Ultrasonic Flow Meter
Transit time non-contact flow meter for use with clean, non-aerated liquids like water, chemicals, and oils in full pipes.
Starting at $3,645.00
Greyline Instruments PTFM 6.1 Ultrasonic Flow Meter
Greyline Instruments PTFM 6.1 Ultrasonic Flow Meter
Portable transit-time flow meter for clean fluids in full pipes from 0.5 to 48in diameter.
Some Models in Stock
Starting at $5,740.00
Greyline Instruments MantaRay Ultrasonic Flow Monitor
Greyline Instruments MantaRay Ultrasonic Flow Monitor
Portable, battery-powered open channel flow meter with 4-20mA and relay outputs for connection to samplers, SCADA and telemetry systems.
In Stock
$6,285.00
Greyline Instruments LIT25 Level Transmitter
Greyline Instruments LIT25 Level Transmitter
Non-contacting ultrasonic sensor that accurately displays, controls and transmits level.
Some Models in Stock
Starting at $1,700.00
Greyline Instruments Stingray 2.0 Ultrasonic Flow Logger
Greyline Instruments Stingray 2.0 Ultrasonic Flow Logger
Compact, battery-powered ultrasonic flow logger for flow monitoring through open channels, partially full sewer pipes and surcharged pipes.
$5,220.00
Greyline Instruments PDFM 6.1 Doppler Flow Meter
Greyline Instruments PDFM 6.1 Doppler Flow Meter
Advanced signal processing and low power mode for extended flow logging applications.
In Stock
$5,720.00
Greyline Instruments REFLECT Series Radar Level Sensor
Greyline Instruments REFLECT Series Radar Level Sensor
2-wire radar level measurement system designed for precise non-contact measurement in both liquid and solid applications.
Some Models in Stock
Starting at $980.00
Greyline Instruments PSL 5.0 Level Controller
Greyline Instruments PSL 5.0 Level Controller
Pump and lift station level controller with 6 independently programmable control relays.
Starting at $2,770.00
Greyline Instruments DLT 2.0 Differential Level Transmitter
Greyline Instruments DLT 2.0 Differential Level Transmitter
Differential level and control plus open channel flow monitoring with two non-contacting ultrasonic sensors.
Starting at $3,840.00
Greyline Instruments SFM 6.1 Doppler Slurry Flow Meter
Greyline Instruments SFM 6.1 Doppler Slurry Flow Meter
Non-contact ultrasonic meter accurately displays, transmits, totalizes and controls flow from outside the pipe.
Starting at $3,460.00
Greyline Instruments Bigfoot Level Velocity Transmitter
Greyline Instruments Bigfoot Level Velocity Transmitter
Submersible, hydrodynamic transmitter that measures level and velocity in partially filled pipes and open channels.
Starting at $2,455.00
Greyline Instruments SE16B Ultrasonic Transducer
Greyline Instruments SE16B Ultrasonic Transducer
Single clamp-on transit time ultrasonic transducer for PTFM and TTFM flow meters (two are required for use).
Some Models in Stock
Starting at $625.00
Greyline Instruments PM Enclosure Panel Mount Flange Assembly
Greyline Instruments PM Enclosure Panel Mount Flange Assembly
Enclosure panel mount flange assembly.
$145.00
Greyline Instruments PZ34 Level Sensor
Greyline Instruments PZ34 Level Sensor
Non-contact, PVC level sensor with 32 foot range with liquids.
In Stock
$755.00
Greyline Instruments PZ15 Level Sensor
Greyline Instruments PZ15 Level Sensor
Non-contacting ultrasonic level sensor is small enough for very small flumes and powerful enough for really large applications.
Some Models in Stock
Starting at $600.00
Greyline Instruments QZ02L-SS-SD Velocity & Level Sensor
Greyline Instruments QZ02L-SS-SD Velocity & Level Sensor
316 stainless steel submersible ultrasonic sensor, continuously measures both velocity and level in the channel.
Some Models in Stock
Starting at $945.00
Greyline Instruments SE4-A Velocity Sensor
Greyline Instruments SE4-A Velocity Sensor
Clamp-on Doppler velocity sensor.
Some Models in Stock
Starting at $680.00
Greyline Instruments PZ32T Level Sensor
Greyline Instruments PZ32T Level Sensor
Non-contact, PVC and Teflon level sensor with 32 foot range with liquids.
In Stock
$600.00
Greyline Instruments VSJ Series Mounting Bands
Greyline Instruments VSJ Series Mounting Bands
Provides easy mounting for submersible sensors inside of round pipes.
Some Models in Stock
Starting at $220.00
Greyline Instruments QZ02L-SS-01-PS Velocity & Level Sensor
Greyline Instruments QZ02L-SS-01-PS Velocity & Level Sensor
Submersible, ultrasonic sensor continuously measures both velocity and level in the channel.
$1,050.00
Greyline Instruments VXC Sensor Cable
Greyline Instruments VXC Sensor Cable
Submersible, tri-coaxial cable available in lengths up to 500 feet.
Starting at $295.00
Greyline Instruments SCR Enclosure Sunscreen
Greyline Instruments SCR Enclosure Sunscreen
Enclosure Sunscreen (iridite aluminum).
$41.00
Greyline Instruments PSE4 Ultrasonic Sensor
Greyline Instruments PSE4 Ultrasonic Sensor
Clamp-on Doppler sensor for ultrasonic flow measurements.
$670.00
Greyline Instruments QZ02L-DP Velocity Sensor
Greyline Instruments QZ02L-DP Velocity Sensor
Submersible ultrasonic sensor continuously measures stream velocity in the channel.
Starting at $740.00
Greyline Instruments PZ15-LP Level Sensor
Greyline Instruments PZ15-LP Level Sensor
Low profile, non-contacting ultrasonic level sensor ideal for confined spaces and small flumes.
Some Models in Stock
Starting at $565.00
Greyline Instruments CC Coupling Compound
Greyline Instruments CC Coupling Compound
Acoustic couplant is gel applied to the sensor face to ensure a complete acoustic pathway between the sensor and the pipe wall.
Starting at $52.00
Greyline Instruments JB2X Sensor Cable Junction Box
Greyline Instruments JB2X Sensor Cable Junction Box
NEMA4X/IP66 polycarbonate junction box for extending sensor cable lengths.
In Stock
$58.00
Greyline SP2 Lightning/Surge Protection Steel Enclosure
Greyline SP2 Lightning/Surge Protection Steel Enclosure
NEMA4.
$935.00
Greyline Instruments VD Series Pipe Dams
Greyline Instruments VD Series Pipe Dams
Maintains low flow water level at 1” or higher as required for ultrasonic level measurement.
Starting at $240.00
Greyline Instruments SP1 Surge Protection
Greyline Instruments SP1 Surge Protection
Lightning / surge protector in NEMA4 steel enclosure for use with the OCF 5.0 open channel flow monitor.
$730.00
Greyline Instruments XC Sensor Cable
Greyline Instruments XC Sensor Cable
RG62AU coaxial cable available in lengths up to 500 feet.
Starting at $45.00
Greyline PC4 Extra Sensor Mounting Kit
Greyline PC4 Extra Sensor Mounting Kit
Extra sensor mounting kit with couplant and SS clamps for pipes up to 32” (80 cm).
$97.00
Greyline Instruments SMS Sensor Mounting Stand
Greyline Instruments SMS Sensor Mounting Stand
Sensor Mounting Stand (for Open Channel applications) for the OCF 5.0 Open Channel Flow Monitor.
$275.00
Greyline Instruments PZS Sensor Sunscreen
Greyline Instruments PZS Sensor Sunscreen
Sensor Sunscreen (iridite aluminum).
$19.00
Greyline Instruments MNL Additional Manuals
Greyline Instruments MNL Additional Manuals
Additional Manuals (One supplied with each unit).
$29.00
Greyline Instruments Battery Charger
Greyline Instruments Battery Charger
Replacement battery charger with 100-240VAC power input, for use with the PDFM 5.1 Doppler flow meter.
$69.00
Greyline Instruments JB4X Cable Junction Box
Greyline Instruments JB4X Cable Junction Box
NEMA4X/IP66 polycarbonate junction box for extending cable lengths of dual sensor installations.
$75.00
Greyline Instruments Sensor Mounting Bracket
Greyline Instruments Sensor Mounting Bracket
Submersible, stainless steel sensor mounting bracket for use with the Bigfoot level velocity transmitter.
$80.00
Greyline Instruments BXC Sensor Cable
Greyline Instruments BXC Sensor Cable
6-conductor cable for extension beyond standard cable length of the Bigfoot level velocity transmitter, lengths up to 500 feet.
Starting at $110.00
Greyline Instruments DXC Sensor Cable
Greyline Instruments DXC Sensor Cable
RG174U shielded coaxial pair available in lengths up to 500 feet.
Starting at $120.00
Greyline PC4S Doppler Sensor Mounting Kit
Greyline PC4S Doppler Sensor Mounting Kit
With expansion springs.
$135.00
Greyline Instruments PXC4 Sensor Cable Extension
Greyline Instruments PXC4 Sensor Cable Extension
50-foot sensor cable extension with connectors.
$195.00
Greyline Instruments SBMS Sensor Submergence Shield
Greyline Instruments SBMS Sensor Submergence Shield
Sensor Submergence Shield (PVC).
$215.00
Greyline Instruments TXC Sensor Cable
Greyline Instruments TXC Sensor Cable
Transducer cable extension up to 500 ft / 150 m .
Starting at $225.00
Greyline Instruments Transducer Cables
Greyline Instruments Transducer Cables
Replacement pair of triaxial cables with BNC connectors and seal jackets.
Starting at $275.00
Greyline Instruments Sensor Cable Extension
Greyline Instruments Sensor Cable Extension
50 foot submersible, tri-coaxial sensor cable extension with watertight connectors.
$395.00
Greyline Instruments Pipe Dam Band
Greyline Instruments Pipe Dam Band
Stainless steel pipe dam band for use with the Bigfoot level velocity transmitter.
Starting at $465.00
Greyline Instruments Pipe Mounting Band
Greyline Instruments Pipe Mounting Band
Stainless steel pipe mounting band for use with the Bigfoot level velocity transmitter.
Starting at $465.00
Greyline Instruments HART Communicator Modem
Greyline Instruments HART Communicator Modem
HART modem for use with REFLECT 2-Wire Radar Level Sensor.
$555.00
Greyline Instruments PZ32TE Level Sensor
Greyline Instruments PZ32TE Level Sensor
Non-contact, Teflon level sensor with 32 foot range in liquids.
$820.00