616D系列 差壓變送器-德威爾Dwyer
616D系列 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4-20mA的信號(hào)。它的外殼是特別設(shè)計(jì)用于安裝在儀表盤(pán)內(nèi)35 mm DIN的導(dǎo)軌上，這樣多個(gè)變送器安裝在一起的話，可以節(jié)省很多安裝空間。有很多量程范圍可供選擇，工廠將特殊量程校準(zhǔn)�，F(xiàn)場(chǎng)能調(diào)整量程，但不能大幅改變量程。變送器采用二線制回路供電。
Service: Air and non-combustible, compatible gases.
Wetted Materials: Consult factory.
Accuracy: ±0.25 FS @ 77°F (25°C).
Stability: ±1% FS/yr.
Temperature Limits: 14 to 185°F (-10 to 85°C).
Pressure Limits: See chart on catalog page.
Thermal Effect: ±0.02% FS/°F (0.036% FS/°C).
Power Requirements: 10 to 35 VDC (2-wire); 17 to 36 VDC, or isolated 21.6 to 33 VAC (3-wire).
Output Signal: 4 to 20 mA (2-wire); 0 to 10 VDC (3-wire).
Zero and Span Adjustments: Push buttons.
Loop Resistance: Current output: 0 to 1250 Ω max; Voltage output: Load resistance 1 kΩ min.
Current Consumption: 40 mA max.
Electrical Connections: Screw-type terminal block.
Process Connections: 1/8" female NPT. Accessories included are 2 barbed fittings for 1/8" (3.12 mm) and 3/16" (4.77 mm) ID rubber or vinyl tubing.
Mounting Orientation: Vertical, on a 1.378" (35 mm) DIN rail.
Weight: 4.8 oz (136 g).
Agency Approvals: CE.
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