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Series
GFM

Gas Mass Flow Meter
Flow Range up to 1000 l/min, Pressures up to 500 psi, NIST Traceable


For Ranges 100-1000 L/min

SPECIFICATIONS
Service: Clean gases compatible with wetted parts.
Wetted Materials: GFM-1XXX: Anodized Aluminum, Brass, 316 SS and Viton® 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.
Max. 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: 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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