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Series GFM Gas Mass Flow Meter


Series GFM Gas Mass Flow Meters combine a straight tube sensor with a restrictor flow element to provide high accuracy and repeatability. Flow rates are virtually unaffected by temperature and pressure variations. Actual gas flow is displayed in engineering units on a 3-1/2 digit, 90° tiltable LCD readout. Units can be used with Series GFT Flow Totalizer for applications requiring totalization. Series GFM includes a NIST traceable certificate

  • Service:Clean gases compatible with wetted parts. Wetted Materials:GFM-1XXX: anodized aluminum, brass, 316 SS and fluoroelastomer o-rings; GFM-2XXX: 316 SS and fluoroelastomer o-rings. Accuracy:±1.5% FS including linearity over 59 to 77°F (5 to 25°C) and 5 to 60 psia (0.35 to 4 bar). Repeatability:±0.5% of full scale. Response Time:2 seconds to within ±2% of actual flow. Output:Linear 0-5 VDC and 4-20 mA.Maximum Particulate Size:5 microns. Temperature Limits:32 to 122°F (0 to 50°C). Power Supply:12-26 VDC. Process Connections:1/4" compression fitting for flow rates ?50 L/m; 3/8" for 100 and 200 L/m; 1/2" for 500 L/min; 3/4" for 1000 L/min. Pressure Limits:500 psig (34.5 bar). Leak Integrity:1 x 10-7 sccs of Helium. Display:90° tiltable, 3-1/2 digit. Agency Approvals:CE.


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