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646B系列 微差壓變送器-德威爾Dwyer

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品牌: 德威爾Dwyer
單價(jià): 面議
所在地: 上海
有效期至: 長(zhǎng)期有效
最后更新: 2018-07-19 09:42
瀏覽次數(shù): 437
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646B系列 微差壓變送器-德威爾Dwyer

The Series 646B Differential Pressure Transmitter is designed to be used with clean, dry air and other non-corrosive gases. Each unit features a flame retardant enclosure and a unique design which is suitable for circuit board mounting. Series 646B measures differential pressure at an accuracy of ±2.0% FS down to 0.5 in w.c. The transmitter contains a stainless steel sensor that provides resistance against corrosion combined with excellent performance and long term stability. The Series 646B transmitter features excellent stability, low hysteresis, accurate operation over a broad temperature range, and exceptional insensitivity to vibration. These features make the transmitters perfect for VAV systems, filter monitoring, HVAC fan control, building pressurization, and leak detection systems.

Service: Air and non-combustible, compatible gases.
Wetted Materials: 302 SS, glass, nickel, polyethylene, acrylic and ABS.
Accuracy: ±2.0% FS* at room temperature. 
*RSS (Root Sum Square) includes non-linearity, hysteresis and nonrepeatability.
Temperature Limits
Operating: 23 to 170°F (-5 to 77°C); 
Storage: -6 to 185°F (-21 to 85°C).
Compensated Temperature: 32 to 170°F (0 to 77°C).
Zero/Span Shift: < 0.05% FS/F (< 0.09% FS/C).
Warm-Up Shift: ±0.1% FS.
Position Effect: Unit is calibrated in a vertical position.
Pressure Limits: ±10 psi (69 kPa).
Output Signal: 0.5 to 4.5 VDC ratiometric.
Output Impedence: < 5.0 Ω.
Supply Voltage: 5.0 ±0.25 VDC.
Response Time: Approximately 10 ms.
Electrical Connection: Three stripped, color-coded lead wires, 26 AWG, approximately 3.5" length.
Process Connections: 3/16" OD barbed fitting for 1/8" ID push-on tubing.
Housing: PBT+ABS alloy.
Weight: 3.1 oz (90 g).
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