Fisher™ 2100 Liquid Level Switches

Fisher 2100 open/close pneumatic switch and 2100E electric switch detect high or low liquid levels. Typically these switches actuate safety shutdown systems pneumatically or electrically for field processing equipment in oil and gas production applications. The 2100 and 2100E switches use a displacement-style sensor placed in an external cage mounted outside a tank. Unless otherwise noted, all NACE references are to NACE MR0175-2002.