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Documents: GFM-1142

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GFM-1142 | Gas mass flow meter | range 0-100 LPM. Specified flow range is for an equivalent flow of nitrogen at 70┬°F (21┬°C) @ 760 mm Hg | 3/8" compression fitting. | Dwyer

Gas mass flow meter, range 0-100 LPM. Specified flow range is for an equivalent flow of nitrogen at 70┬°F (21┬°C) @ 760 mm Hg, 3/8" compression fitting.

Brand: DwyerSKU: GFM-1142

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Gas mass flow meter | range 0-100 LPM. Specified flow range is for an equivalent flow of nitrogen at 70┬°F (21┬°C) @ 760 mm Hg | 3/8" compression fitting.

Series GFM Gas Mass Flow Meter

Flow Range Up to 1000 L/min, Pressures Up to 1000 psi, NIST Traceable

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.

Note: These units require a cable, see GFM-CBL4 or GFM-CBL5, depending on your needs.

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Specifications

Series: GFM Gas Mass Flow Meter
Category/Type: Flow
Type: Mass Flowmeters and Controllers
Series: GFM Gas Mass Flow Meter
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% FS including linearity over 59 to 77°F (5 to 25°C) and 5 to 60 psia (0.34 to 4 bar); Series X143; X144; X145; ±1.5% FS.
Repeatability: ±0.25% of FS.
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 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: 1000 psig (68.9 bar); Series GFM-X143; X144; X145; 500 psig (34.5 bar).
Leak Integrity: 1 x 10-9 sccs of Helium.
Display: 90° tiltable; 3-1/2 digit.
Agency Approvals: CE.