Ultra high purity pressure transmitter_PT850 series
PT850 series
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, liquids and can be protected from harsh environment.
It is extremely versatile and suitable for measuring dynamic or static pressure. The pressure to be measured acts through corrosion resistant stainless steel 630 diaphragm with a MEMS Piezoresistive effect sensors which are connected into a Wheatstone bridge.
PT850 series pressure transmitter is electrically temperature compensated.
Technology | MEMS Piezoresistive effect sensor |
Accuracy | ±0.25 % of full scale |
Operating temperature range | -20 ~ 80 °C |
Scale range | Refer to range code |
Enclosure rating | IP 65 |
Explosion protection | Ex d IIC T6 (Model : PT850) Ex ia IIC T6...T4 (Model : PT851) Ex nA IIC T6...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", ⅜", ½" (NPT, PT, PF) male thread ■ 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) |
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 |
Thiết bị đo áp suất PT850 Wise - Đại lý Wisecontrol Việt Nam
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