EL150EX Liquid Level Swichgage (15700121) ELECTRIC GAUGES The 20P7-30 Pressure Swichgage was

The 20P7-30 Pressure Swichgage was specifically designed to protect engines and equipment in oil field

magnetic pickup or ignition

Groups C & D (20700049)

This instrument is built for low pressure systems with a maximum of 25 psi (172 kPa) [1

EL150EX Liquid Level Swichgage (15700121) ELECTRIC GAUGES The 20P7-30 Pressure Swichgage wasEL150EX: Liquid Level Swichgage and Low Limit Switch; Explosion Proof (15700121) The EL150EX Liquid Level Swichgage instrument is an explosion proof combination liquid level gauge and low limit switch. The instrument includes: (1) a chamber with pivotal float, (2) an indicating dial with pointer, and (3) a low level contact. When properly installed and maintained, the float operates the pointer which, in turn, both indicates level during normal