In order to minimize liquid helium loss, the Model 135 automatically energizes the liquid helium level sensor at user programmable time intervals and monitors the normal (resistive) zone as it progresses from the top of the sensor toward the liquid...
These are suitable for conductive liquids like water and for non-conductive liquids like DieselOil. Models for either one level monitoring or two level monitoring. FEATURES Can be used for potable water, water with impurities and for dieseloil Cable...
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