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Phone 651-426-9085
800-MLC-8020
Fax 651-426-9354
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UL 508A
Industrial Control Panels
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P R O B E M A S T E R
Floatless Level Control
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Probemaster, the most accurate, dependable and economical level control for water systems.
Conductive probes with no moving parts in water. The probe conducts a minute current through
the water to operate the Probemaster The probe control operates on low voltage with current in
the low micro-ampere range. Standard sensitivity is 50,000 ohms. Because of the low voltage
and current the probes are safe to handle when powered. Two probes and ground provide a differential
operation. The operation can be ON at one level, and OFF at another level. The Probemaster is
available in pump up or pump down models. With loss of power both models provide open output
contacts for failsafe operation.
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PR172 PROBEMASTER
Probe control for pump down applications. Use for deep well low level cutoff and restore to prevent
a well pump from running dry. For high service pumps pumping from a ground storage tank. Low level
cutoff and restore to prevent the pumps from running dry. High and low level alarm.
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PR173 PROBEMASTER
Probe control for pump up applications. Use for well pumps or transfer pumps filling a tank.
Two or more PR173 Probemasters can be wired for a common stop.
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