Dwyer 美國(guó)德威爾

Series GFM2 Gas Mass Flow Meter dwyer 德威爾

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產(chǎn)品描述：美國(guó)Dwyer德威爾儀器儀表制造有限公司(Dwyer Instruments,Inc.)是一家對(duì)差壓、溫度、液位和流量的測(cè)量,變送和控制等方面擁有眾多精密儀器儀表產(chǎn)品并且在價(jià)格上有強(qiáng)競(jìng)爭(zhēng)力的儀器儀表制造公司。
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Series GFM2
Gas Mass Flow Meter is ideal for measurement of flow rates in a variety of gases. Two relay outputs and programmable totalizer that indicates total gas quantity.
±1% FS, Programmable Relays
The SERIES GFM2 Gas Mass Flow Meter is an ideal choice for the measurement of flow rates of a wide variety of gases. Unit can be calibrated for a variety of gases with user selectable 0 to 5 VDC or 4 to 20 mA and two relay outputs and programmable totalizer that indicates total gas quantity.
California Residents: Click Here for Proposition 65 WARNING.
Service: Clean gases compatible with wetted parts.
Wetted Materials:
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.
Accuracy: ±1% FS.
Repeatability: ±0.25% FS.
Response Time: 2 seconds to within ±2% of actual flow.
Output Signal: Linear 0 to 5 VDC (3000 Ω min. load impedance) and 4 to 20 mA (500 Ω max. loop resistance).
Relay Rating: 1 A @ 24 VDC.
Max. Particulate Size: 5 microns.
Temperature Limits: 32 to 122°F (0 to 50°C).
Power Supply: 11 to 26 VDC.
Process Connections: 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).
Pressure Limits: 500 psig (34.5 bar).
Leak Integrity: 1 x 10-9 smL/sec of helium.
Weight: 1.05 lb (0.48 kg).

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