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102/103 Differential PressureSwitches are robust field-mountedinstruments.
The 102 pressure sensingassembly is a piston; the 103 pressuresensing assembly is a diaphragm-pistoncombination. The 102/103 can be configuredfor service in non-hazardous and hazardouslocations. Switching elements are SPDT orDPDT.
The 102 is suited for low-to-high differential pressure process or fluid power applications where high and varying static pressures, high overrange, proof, shock pressure or cycle rates are expected. The 103 is suited for low-tomedium differential pressure process or fluid power applications where similar system behavior is expected.
| psid (in. wc)
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| Model Number
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| 103W1 - K212 - N4 - C1A | (7 to 100)
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| 103W1 - K502 - N4 - C1A | (20 to 150)
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| 103W1 - K805 - N4 - C1A | (100 to 1000)
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| 102W1 - K912 - P1-C1A | 5 to 25
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| 102W1 - K903 - P1 - C1A | 8 to 40
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| 102W1 - K905 - P1 - C1A | 10 to 60
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| 102W1 - K603 - P1 - C1A | 20 to 100
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| 102W1 - K403 - P1 - C1A | 40 to 200
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| 102W1 - K405 - P1 - C1A | 50 to 300
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| 102W1- K305 - P1 - C1A | 100 to 500
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| 102W1 - K105 - P1 - C1A | 500 to 2500 |
| Standard Construction
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| Housing | W1 (weatherproof) | Aluminum
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| AD (explosion proof) | 316SS
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| tching Element | K | SPDT 15A @ 250 VAC
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| EF | SPDT 5A @ 250 VAC
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| Diaphragm | N4 103-212 | Teflon-Coated Polyimide
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| 103-502 | Kapton Polyimide Film
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| 103-805 | Kapton Polyimide Film
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| O-Ring | P1 | Buna-N
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| Pressure Port | C1A | 1/4” NPT(F); 316SS |
