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| 20T-250-8-1/2 (10702044): Temperature Swichgage® |
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The 20T-250-8-1/2 is a 2" Temperature Swichgage?. This very popular design features a diaphragm-actuated, temperature-indicating gage, with a built-in electrical switch for tripping alarms and/or shutdown devices. This model has an 8 foot capillary length with a standard 1/2-14 NPT threading, and a temperature range from 130-250øF (54-121øC).
The gage mechanism is enclosed in a steel case coated to resist corrosion. A polycarbonate, break-resistant lens and a polished, stainless steel bezel help protect this rugged, built-to-last instrument. This vapor actuated gage features a sealed capillary tube and a sensing bulb. When subjected to heat, the liquid in the sensing bulb changes to vapor creating pressure against the diaphragm mechanism. The diaphragm translates this vapor pressure into a mechanical gage reading.
Inside the 20T-250-8-1/2, the gage pointer acts as a temperature indicator and as one switch pole which completes a circuit when it touches the adjustable limit contact. Contact(s) are grounded through the Swichgage? case. This gage has a self-cleaning motion to enhance electrical continuity.
Sales Bulletin
Installation Instructions
For California customers: Prop 65 WARNING: This product may have been manufactured with or uses components that can expose you to chemicals which are known to the State of California to cause cancer. For more information go to www.p65warnings.ca.gov.
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