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超高纯压力传感器PT850系列

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超高纯压力传感器PT850系列

超高纯压力传感器PT850系列

超高纯压力传感器PT850系列
产品描述

Service intended

PT850 series are specially designed for the ultra-high purity gas distribution system used in a semiconductor, electronic, medical, biotechnology and pharmaceutical industry. The transmitter has a water resistant, Stainless steel housing for complete protection from harsh environments. The transmitter offers the convenience and easy installation with the full capabilities of a highly accurate 4~20 mA 2-wire system design. The stainless steel surfaces make it compatible with a wide variety of gases and liquids and can be protected from harsh environment. It is extremely versatile and suitable for measuring dynamic or static pressure. The trasnmitters are available as absolute and relative pressure types. The pressure to be measured acts through corrosion resistant stainless steel 316L diaphragm with a piezoresistive resistors which are connected into a Wheatstone bridge. PT850 series pressure transmitter is electrically temperature compensated.

Technology Piezo resistive effet sensor
Accuracy ±0.25 % of full scale
Operating temperature range -20 ~ 80 °C
Scale range Refer to range code
Enclosure rating IP 67
Explosion protection Ex d IIC T6 (Model : PT850)
Ex ia IIC T4 (Model : PT851)
Ex nA IIC T4 (Model : PT852)

Standard features

Mechanical

Pressure connection Stainless steel 316L electropolished low mount or center back mount surface finish Ra≤0.15 μm
■ ¼" NPT male thread
■ VCR male or female face seal fitting
■ Tube welding
■ Flow through type
■ Modular surface mount
Material wetted by process Stainless steel 630 (Sensor)
Stainless steel 316L (Connection)
Stainless steel 304 (Housing)

 

Standard features

Electrical

Input power 12 ~ 24 VDC
Output signal 4 ~ 20 mA
DC 2-wire loop powered technique
Load resistance max 500 Ω at 24 V
Response time (10 ~ 90 %) ≤20 milliseconds

 

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