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Compact, self contained, thermal gas mass flowmeters from Cole-Parmer are designed to read the mass flow rates of gases.

Flow rates are unaffected by temperature and pressure variations within stated limitations.

The flowmeters are available for a variety of gases, including air, argon, hydrogen and nitrogen, and come with a NIST-traceable calibration certificate.

Available in aluminium or 316 stainless-steel bodies, all models offer output signals of 0 to 5V DC and 4 to 20mA indicating mass-flow rates of the metered gas.

These signals can be used for control or data logging.

Design Features: available flow ranges starting from 0 to 10sccm up to 0 to 1000sLPM; maximum pressure of 34.5bar (500psig); leak integrity 1 x 10-7 of helium; NIST traceable certification; built-in tiltable LCD readout; 0-5V DC and 4-20mA output signals; and totaliser option.

The design incorporates an advanced straight tube sensor with flow passage elements constructed of aluminium and brass for non-corrosive gases or 316 stainless steel for corrosive applications.

The mechanical layout of the design includes an LCD readout built into the top of the transducer.

This display is tiltable over 90deg, is connected to the transducer by a standard modular plug, and is readily removable for remote-reading installations.

Transducers without LCD readout are offered for OEM applications.

Gases are connected to the flowmeter by means of 1/4, 3/8 and 1/2in compression fittings and 3/4in NPT(F) fittings.

The flowmeters may be used as bench-top units or mounted by means of screws in the base.

Cole-Parmer offers a range of flow meters and flow controllers for liquid and gas applications.

Specialising in flow control of media in pipe lines less than 2in, Cole-Parmer offers flow metering from 0.0002 ml/min to over 4,000LPM and for gases from 0.02mL/min to over 500m3/hr.


Cole-Parmer’s Process Product range includes process equipment, control and measurement instrumentation, fluid handling products, and personal safety items, including:

  • Wide range of metering and general transfer pumps, including diaphragm, bellows, centrifugal, drum, gear, hand, industrial hose, piston, peristaltic tubing, progressing cavity, rotary lobe, rotary vane and syringe technologies
  • Flowmeters and flow controllers for liquid and gas applications including variable area, Coriolis, gear, propeller, magnetic, differential pressure, thermal dispersion, turbine, ultrasonic, and vortex technologies
  • Electrochemistry products for pH, temperature, conductivity, mV, ions, dissolved-oxygen, TDS, salinity, and ORP
  • Temperature measurement and control including thermometers, controllers, probes, calibrators, recorders and data loggers
  • Pressure and vacuum instruments including vacuum pumps, pressure gauges and pressure regulators
  • General process equipment and consumables including Mixers, ultrasonic cleaners,  tubing, valves, fittings, heating tapes. and tanks

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