P840 Series (316L type)_Ultra high purity pressure switch
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 scale |
| Scale range | 0 ~ 28 MPa |
| Working pressure | Steady pressure : 75 % of full scale value Fluctuating pressure : 67 % of full scale value |
| Working temperature | Ambient : -20 ~ 65 °C Fluid : Max. 100 °C |
| 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
Electrical
| Connection | 26 AWG, PVC 6 feet (2 m) |
| Maximum switching current | 0.5 amps AC/DC noninductive load |
| Maximum power | 10 W/DC, 12 VA/AC |
| Maximum switching voltage | 28 V AC/DC |
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