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PS31 Series Pressure Switch 5 to 150 psi (.345 to 10 bar) (cod: #261)
PS31 Series Pressure Switch 5 to 150 psi (.345 to 10 bar)

Specifications: 

 Wetted Parts 

- Diaphragm: Teflon coated Kapton® (Pure Teflon® available)
- O-Ring: Nitrile - Std (some materials available)
- Fitting: Brass standard (optional 316 SS) 

Operating Temperature 

-40°F to +230°F (-40°C to +110°C) 

Switch* 

100 VA Max.  

Electrical Termination 

Exposed Terminals IP00; IP option IP66 

Proof Pressure 

500 psi (35 bar) 

Burst Pressure 

1000 psi (69 bar) 

Approvals 

CE (Limits switch voltage to 42 VDC) 

Weight, Approximate 

0.14 lbs. (0.06 kg) Brass 

*Gold contacts (option G) may be required for less than 12 VDC and 20 mA. Kapton is a registered trademark of Dupont. 

 

Repeatability / Deadband

 Pressure Range Code

Pressure Range 

Repeatability

Average Deadband*

 20

5-25 psi (0.345 - 1.7 bar)

± 1 psi (0.07 bar) + 3% of setting

2 psi (0.14 bar) + 4% of setting

 30

20-60 psi (1.4 - 4.1 bar) 

 ± 1.5 psi (0.10 bar) + 3% of setting

 3 psi (0.21 bar) + 4% of setting

 40

50-150 psi (3.4 - 10.3 bar)

± 2.5 psi (0.17 bar) + 3% of setting

4 psig (0.28 bar) + 4% of setting 

* In certain applications, deadband can be tailored and controlled to customer specifications. Consult factory for details.

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