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S-LOK-FITTING&VALVE 
SUPERLOK-FITTING&VALVE 
- Fitting
- Valves 
- I-Fitting
- Others
WISE-PRESSURE GAUGE&TEMPERATURE GAUGE 
- WISE PRESSURE 
- TEMPERATURE 
- Flow 
  - 流量元素
  - 流量计
- LEVEL GAUGE
- SIGHT GLASS
- THREAD FITTINGS
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OSCG-CABLE GLAND 
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  - Industrial
  - Hazardous
- ACCESSORIES 
  - Ex Certified Accessories
  - Gland Accessories
- JUNCTION BOX 
  - Hazardous
  - Industrial
DONG HWA TCA - COPPER TUBE&ACCESSORIES 
KUKDONG-LIGHTING 
DONGNAM-MUTI CORE TUBE&SEAMLESS TUBE 
SAMBOO-HYDRAULIC BOLT&NUT 
JUNGWOO-DUAL WALL PIPE 

Ultra high purity pressure gauge with transmitter_PT840 series

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Details

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

Mechanical

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