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| 20SD-250-1/4 (10703391): Direct Mount Temperature Swichgage® |
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The 20SD-250-1/4 is a 2" Direct Mount Temperature Swichgage?. This model has no capillary tube. It is a diaphragm-actuated, temperature-indicating gage with a built-in electrical switch for tripping alarms and/or shutdown devices.
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.
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. The gage pointer acts as a temperature indicator and as one switch pole which completes a circuit when it touches the adjustable limit contact. Contacts are isolated through ground. 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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