Ultra high purity pressure gauge with transmitter_PT840 series

  • PT840(2).jpg

Ultra high purity pressure gauge with transmitter_PT840 series

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




Detailed Introduction

Service intended

PT840 series are specially designed for the ultra-high purity gas distribution system used in a semiconductor, electronic, medical, biotechnology and pharmaceutical industry.

Nominal diameter 50 mm (2")
Gauge accuracy ±1.0 % of full scale
Transmitter accuracy ±0.25 % of full scale
Scale range Refer to range code
Working pressure Steady pressure : 75 % of full scale value
Fluctuating pressure : 67 % of full scale value
Working temperature Ambient : -40 ~ 65
Temperature effect Accuracy at temperature above and below the reference temperature (20 ℃) will be effected by approximately
±0.4 % per 10 ℃ of full scale

Standard features


Pressure connection Type 316L SS electropolished low mount or center back mount
surface finish Ra≤0.25 ㎛
■ ¼" NPT male thread
■ VCR® male or female face seal fitting
Element Type 316L SS
<6 MPa : C-type bourdon tube
≥6 MPa : Helical type bourdon tube
Case Type 304SS, Electropolished with pressure relief
Movement Stainless steel
Dial White PVC with pointer stop pin
With black/red lettering, dual pressure scale (bar/psi)
Pointer Black painted aluminium alloy
Ring and window Twist-lock polycarbonate
Helium leak rate Tested to confirm leakage rates of less than
10 mbar • ℓ/sec


Standard features


Connection 26 AWG, Teflon insulated 10 feet leads (2 black wires)
Power DC 24 V
Out put 4 ~ 20 mA, 2 wire system


Demand Message