The SDB Series are direct-mounting temperature Swichgage devices. They provide an accurate direct-reading gage with an adjustable limit switch to activate alarms and/or shutdown. A knob on front of the Swichgage instrument allows you to adjust the limit switch trip point. Pointer movement is actuated by a bi-metallic sensing element.
Models SDB500, SDB501 and SDB500EX have a temperature range of 100ø to 500øF (40ø to 260øC). SDB500EX enclosure is explosion-proof and CSA listed for Class I, Group C and D hazardous locations. Temperature Switch