Chance Truck Boom Leakage-Current Monitor – T4070327

Chance Truck Boom Leakage-Current Monitor – T4070327

For continuous performance this unit mounts on truck body and hardwires into truck’s 12-Volt system which eliminates battery changeout.

To alert utility-line workers of overcurrent conditions on truck booms, this monitor sounds an alarm if leakage current reaches a pre-set level. The leakage setting adjusts from 1 to 1,000 microamperes in resolution increments of 0.1 microamp.

The audible warning eliminates the need to watch the actual current level, continuously displayed on the Chance Sentinel’s digital LCD screen. The alarm sounds immediately upon overcurrent and continues until the condition is corrected.

To also trigger a truck horn or other external alarm, a jack on the instrument panel accepts a standard 1/4″ two-conductor phone plug.

A test terminal on the panel permits a simple continuity check of the monitor leads prior to each operation. Before each use, the instrument automatically performs a rapid electronic self test. Simple operating steps are printed on the inside lid panel. A detailed instruction sheet also comes with each unit.


-Weight 14 lb./6.4 kg.
-Part # T4070327

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