Gems Sensors Series Pressure Switch
Kapton Diaphragm OEM Subminiature Pressure Switch
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Quick Specs...
- Formerly PMLA Model
- 5 to 150 psi (.345 to 10 bar)
- Ideal for low temperature Pneumatic Applications
- Adjustable and Factory Set
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Overview / Design Principle:
These compact pressure switches are designed for OEM applications. Made economical with metal blade contacts in lieu of microswitches, the PS31 series features Kapton diaphragms. Kapton Polyimide maintains excellent physical properties over a wide temperature range. It also offers superb chemical resistance and has no known organic solvents.
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Specifications:
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Wetted Parts
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- Diaphragm: Teflon coated Kapton® (Pure Teflon® available)
- O-Ring: Nitrile - Std (some materials available)
- Fitting: Brass standard (optional 316 SS)
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Operating Temperature
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-40°F to +230°F (-40°C to +110°C)
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Switch*
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100 VA Max.
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Electrical Termination
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Exposed Terminals IP00; IP option IP66
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Proof Pressure
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500 psi (35 bar)
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| Burst Pressure |
1000 psi (69 bar) |
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Approvals
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CE (Limits switch voltage to 42 VDC)
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Weight, Approximate
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0.14 lbs. (0.06 kg) Brass
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*Gold contacts (option G) may be required for less than 12 VDC and 20 mA. Kapton is a registered trademark of Dupont.
| Repeatability / Deadband |
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Pressure Range Code
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Pressure Range
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Repeatability
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Average Deadband*
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20
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5-25 psi (0.345 - 1.7 bar)
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± 1 psi (0.07 bar) + 3% of setting
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2 psi (0.14 bar) + 4% of setting
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30
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20-60 psi (1.4 - 4.1 bar)
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± 1.5 psi (0.10 bar) + 3% of setting
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3 psi (0.21 bar) + 4% of setting
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40
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50-150 psi (3.4 - 10.3 bar)
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± 2.5 psi (0.17 bar) + 3% of setting
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4 psig (0.28 bar) + 4% of setting
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* In certain applications, deadband can be tailored and controlled to customer specifications. Consult factory for details.
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| A |
Hex Head Adjustment Screw |
| B |
0.54" (14) |
| C |
.15/16" A.F. (24) |
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| A |
.36" (9) |
| B |
1.51" (38.30) |
| C |
1.58" (40.16) |
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| A |
1.85" (47) |
| B |
0.80" (20) |
| C |
Pressure Port |
| D |
Hex 15/16" (24) |
| E |
1.120" (29) |
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