Instrument > Pressure
Description
The P840 Series specifically designed for ultra high purity gas distribution system used in semiconductor industry and electronic, medical, biotechnology, pharmaceutical industry.
Product Information

Service intended
P840 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")Switch point accuracy
±2.0% of full scaleScale range
0 ~ 28 MPaWorking pressure
Working temperature
Temperature effect
Accuracy at temperature above and below the reference temperature (20℃) will be effected by approximately ±0.4% per 10℃ of full scalePressure connection
Type 316L stainless steel electropolishedlow mount or center back mount
surface finish Ra≤0.25 ㎛
¼" NPT male thread
VCRⓡ male or female face seal fitting
Element
316L SS<6 MPa : C-type bourdon tube
≥6 MPa : Helical type bourdon tube
Case
Type 304SS,Electropolished with pressure relief
Cover and Window
Twist-lock polycarbonateMovement
Stainless steelDial
White PVC, with pointer stop pinWith black/red lettering, dual pressure scale (bar)
Pointer
Black painted aluminium alloyHelium leak rate
Tested to confirm leakage rates of less than10-9 mbar • ℓ/sec
Connection
26 AWG, PVC10 feet (3 m) leads (2 black wires)