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.
Some Models in Stock
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 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 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 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 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 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 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 XC Sensor Cable
Greyline Instruments XC Sensor Cable
RG62AU coaxial cable available in lengths up to 500 feet.
Starting at $45.00
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 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 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 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 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 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 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