Low alarm with fail-safe operation (set < reset), Pump alternation control operation – Precision Digital PD6400 User Manual
Page 52
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Model PD6400 High Voltage & Current Meter
Instruction Manual
52
Low Alarm with Fail-Safe Operation (Set < Reset)
Note: Relay coil is energized in non-alarm condition.
In case of power failure, relay will go to alarm state.
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