| FF04 - | Membrane level switch for solids |
| |  | | flush with tank wall, occupies no space in the tank suitable for MIN or MAX alarm.
membrane made of Neoprene, Viton or stainless steel
high temperature version up to 392 °F / 200 °C available |  |  | | output signal: SPDT relay with very high switch rating ( 15 A / 250 V) |
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