OMEGA’s TSW series adjustable temperature switch is perfect for applications which require an economical solution to temperature control. The stainless steel stem of the TSW series switch is sealed and filled with a gas that expands as process temperature rises. A membrane within the switch body mechanically causes closure of a 5 Amp form C relay.
The 9.7 mm (0.38") diameter of the probe is designed to mate with OMEGA’s standard 385 series thermowells for your most rugged applications. See Section B of the OMEGA Complete Temperature Measurement and Control Handbook and Encyclopedia® for thermowell selection.
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Part Number
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Temperature Range
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Contact Rating
Amps
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Repeatability °C/°F
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TSW-11
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-45 to -5 °C (-49 to 23 °F )
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1
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±.7 (1.3)
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TSW-15
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-45 to -5 °C (-49 to 23 °F)
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5
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±.7 (1.3)
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TSW-21
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-25 to 20 °C (-13 to 63 °F)
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1
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±.9 (1.6)
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TSW-25
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-25 to 20 °C (-13 to 63 °F)
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5
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±.9 (1.6)
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TSW-31
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-5 to 35 °C(23 to 95 °F)
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1
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±.8 (1.4)
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TSW-35
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-5 to 35°C (23 to 95°F)
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5
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±.8 (1.4)
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TSW-41
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25 to 70 °C (77 to 158 °F)
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1
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±.9 (1.6)
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TSW-45
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25 to 70 °C (77 to 158 °F)
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5
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±.9 (1.6)
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TSW-51
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55 to 105 °C (131 to 221 °F)
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1
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±1.0 (1.8)
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TSW-55
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55 to 105 °C(131 to 221 °F)
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5
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±1.0 (1.8)
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TSW-61
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80 to 125 °C (176 to 257 °F)
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1
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±.9 (1.6)
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TSW-65
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80 to 125 °C(176 to 257 °F)
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5
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±.9 (1.6)
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TSW-71
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115 to 175 °C(239 to 347 °F)
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1
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±1.2 (2.2)
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TSW-75
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115 to 175 °C (239 to 347 °F)
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5
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±1.3 (2.3)
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TSW-81
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175 to 230 °C (347 to 456 °F)
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1
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±1.2 (2.1)
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TSW-85
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175 to 230 °C (347 to 456 °F)
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5
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±1.2 (2.1)
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TSW-91
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200 to 265 °C (392 to 509 °F)
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1
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±1.3 (2.4)
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TSW-95
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200 to 265 °C (392 to 509 °F )
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5
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±1.3 (2.4)
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Features
- Compact and economical
- Ideal for economical temperature switching applications
- External temperature scale dial for easy setpoint adjustments (°F only)
- 1 amp gold contacts for TTl and dry contact closures
- 5 amp silver contacts for larger electrical loads
- Vibration resistant