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Products

Ultra high purity pressure transmitter_PT850 series

High-quality products, preferential prices, perfect after-sales service

Category:

Sanitary Gauges

Keywords:

Valve|Fitting

Detailed Introduction

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

Ultra high purity pressure switch_P840 series (316L type)

Ultra high purity pressure gauge with transmitter_PT840 series