DM-2000系列 帶數(shù)顯的微差壓變送器-德威爾Dwyer
DM-2000系列 帶數(shù)顯的微差壓變送器用于監(jiān)測(cè)空氣或其它兼容氣體的差壓，輸出標(biāo)準(zhǔn)的4-20mA。它和2000系列的Magnehelic微差壓表安裝開(kāi)孔尺寸一樣，便于取代升級(jí)。有很多種量程供選擇，也可定制特殊量程。
采用玻璃鋼模壓的壓力接頭和外殼，安裝起來(lái)方便簡(jiǎn)單。數(shù)字按鍵校準(zhǔn)零點(diǎn)和量程。可選三位半LCD數(shù)顯來(lái)現(xiàn)場(chǎng)指示，根據(jù)不同的量程范圍，有4到6種工程單位供選擇。
Service: Air and non-combustible, compatible gases.
Wetted Materials: Consult Factory.
Accuracy: ±1% FS at 70°F.
Stability: ±1% FS/yr.
Temperature Limits: 20 to 120°F (-6.67 to 48.9°C).
Pressure Limits: 10 psig (0.69 bar).
Thermal Effect: ±0.055% F.S./°F (0.099% F.S./°C).
Power Requirements: 10 to 35 VDC (2 wire).
Output Signal: 4 to 20 mA.
Zero and Span Adjustments: Digital push-button zero and span.
Loop Resistance: DC: 0 to 1250 Ω maximum.
Current Consumption: DC: 38 mA maximum.
Electrical Connections: Screw-type terminal block.
Display: 3.5 digit LCD, 0.7" height.
Process Connections: 1/8" I.D. tubing.
Mounting Orientation: Vertical.
Weight: 4.8 oz (136 g).
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