Gems Sensors pS82 Series
Economical Miniature Vacuum Switch
Quick Specs...
- 5" to 28" Hg Max. Rising; 24" Hg Max. Falling (169 to 948.2 mbar; 812.6 mbar)
Overview / Design Principle:
These miniature vacuum switches, based on our proven PS71 series, are designed for demanding applications where space and/or price are strong concerns.
| Specifications |
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Wetted Parts
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Diaphragm:Nitrile Standard (Optional Viton®, Neoprene, or EPDM)
Fitting: Brass (optional 316 SS)
Spring: 316 Stainless Steel
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Operating Temperature
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see table below
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Switch
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see table below
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Electrical Termination
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DIN 43650A IP65; Male Conduit with Flying Leads IP65; Flying Leads IP00, IP option IP66
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Proof Pressure
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0 psia to 350 psig (-1 to 24 Bar)
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| Burst Pressure |
700 psi (48 bar) |
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Approvals
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CE
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Weight, Approximate
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Brass: 0.4 lbs (0.18 kg)
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| Recommended Operating Temperature Limits* |
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Diaphragm Material
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No option, -10A, -SP or -RD
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Option -RD, or -RD and -G
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Option -SP or -10A
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Nitrile
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15°F to 185°F (-10°C to 85°C)
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15°F to 250°F (-10°C to 121°C)
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15°F to 212°F (-10°C to 100°C)
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Viton®
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0°F to 185°F (-18°C to 85°C)
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0°F to 250°F (-18°C to 121°C)
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0°F to 212°F (-18°C to 100°C)
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EPDM
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-10°F to 185°F (-23°C to 85°C)
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-10°F to 250°F (-23°C to 121°C)
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-10°F to 212°F (-23°C to 100°C)
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Neoprene
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-10°F to 185°F (-23°C to 85°C)
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-10°F to 250°F (-23°C to 121°C)
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-10°F to 212°F (-23°C to 100°C)
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* Switches may function below the cold temperature limit but the setpoints and deadband will increase. Consult factory for details.
| Switch Ratings |
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Electrical Switch Ratings
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AC
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DC
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No option or -RD
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5 amps @ 125/250 Volts
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5 amps resistive, 3 amps inductive @ 28 Volts
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-G or -RD with -G
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1 amp @ 125 Volts
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1 amp resistive, 0.5 amp inductive @ 28 Volts
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-SP without -G
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10.1 amp @ 125/250 Volts
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-SP with -G
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2 amp @ 125/250 Volts
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| 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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|
10
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5-15" Hg (169-508 mbar)
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± 0.71" Hg (24 mbar) + 2% of setting
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3.05" Hg (103 mbar) + 7% of setting
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20
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12-28" Hg (406-948 mbar)
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± 1.63: Hg (55 mbar) + 2% of setting
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6.1" Hg (207 mbar) + 8% of setting
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* These numbers are for the standard microswitch. With either the -SP or 10A option, the values are typically 50% greater than those listed. With the -RD option, the values will be typically 20% less than those listed. In certain applications, deadband can be tailored and controlled to customer specifications. Consult factory for details.
Dimensions:
 |
| A |
See Ordering Info |
| B |
1.58" (40) |
| C |
1/8 Allen Wrench Adjustable Screw |
| D |
1.1" (28) |
| E |
Red, NO.; Green, NC.; Black, COM. |
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|
 |
| A |
2.20" (56) |
| B |
0.125" (032) |
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|
 |
| A |
1.95" (50) |
| B |
DIN 43650A |
| C |
1.10" (28) |
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