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Dwyer Instruments GFM2 | Gas flow meter

Name: Dwyer Instruments GFM2 | Gas flow meter
Brand: Dwyer
SKU: GFM2
Availability: OutOfStock

Part Number : GFM2

For measuring the flow rates of a wide range of gases, the Series GFM2 Gas Mass Flow Meter is a great option. With two relay outputs, a programmable totalizer that shows the total quantity of gas, and user-selectable 0 to 5 VDC or 4 to 20 mA, the unit can be calibrated for a range of gases.

Availability: Sold out

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Specifications
Features
Downloads

Accuracy	+/-1% FS
Connection	Process: 1/8" compression fitting for flow rates ¢°¤10 L/min; 1/4" for ¢°¤50 L/min; 3/8" for ¢°¤100 L/min
Display	2 x 16 character LCD (optional)
Leak Integrity	1 x 10-9 smL/sec of helium
Manufacturer	Dwyer Instruments
Material	Wetted: GFM2-X-X-A: Anodized aluminum, brass, 316 SS fluoroelastomer O-rings GFM2-X-X-S: 316 SS, and fluoroelastomer O-rings Buna-N, EPR and PTFE O-rings optional.
Maximum Operating Pressure	500 psig (34.5 bar)
Maximum operating temperature	32 to 122°F (0 to 50°C)
Maximum Particulate Size	5 microns
Output Signal	Linear 0 to 5 VDC (3000 ¢ž¦ min. load impedance) and 4 to 20 mA (500 ¢ž¦ max. loop resistance)
Power Supply	11 to 26 VDC
Relay	Rating: 1 A @ 24 VDC
Repeatability	+/-0.25% FS
Response Time	2 seconds to within +/-2% of actual flow
Type	Gas Flow Meter
Weight	1.05 lb (0.48 kg)

Uses a restrictor flow element in conjunction with a straight tube sensor to offer high repeatability of ±0.25% FS and accuracy of ±1% FS.
An optional 2x16 character LCD panel with internal conversion factors for up to 32 gases can show gas flow in 23 different technical units.
Simple communication and multi-drop capability of up to 256 units are made possible via digital RS-232 or RS-485 interfaces (RS-485 only).
Two user-programmable electromechanical SPDT relays with latch options and high and low gas flow alarms can be programmed using an easy-to-use interface.
Keeps track of internal or user-specific K-factors and calibration data for up to ten distinct gases.
Adjustment of the sensor zero offset automatically (by means of a local push button or digital interface).
Includes a traceable NIST certificate.
Tests for self-diagnosis.

Dwyer Instruments GFM2 | Gas flow meter

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Dwyer Instruments GFM2 | Gas flow meter

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Dwyer Instruments GFC-2143 | Gas mass flow controller | Range 0-200 LPM. Specified flow Range is for an equivalent flow of nitrogen at 70°F (21°C) @ 760 mm Hg | 3/8" compression fitting

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Dwyer Instruments GFM2 | Gas flow meter

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Dwyer Instruments GFC-2143 | Gas mass flow controller | Range 0-200 LPM. Specified flow Range is for an equivalent flow of nitrogen at 70°F (21°C) @ 760 mm Hg | 3/8" compression fitting

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