Simpson Electric Co.
Model 501 is the newest addition to its insulation tester family. The Model 501
be used for general purpose insulation tests that require voltages from 50 V to 1000 V only.
Additionally, this instrument is equipped with AC and DC for the absence of voltage and the
discharge of capacitive devices under test.
The Model 501 features a quick testing signal lamp within the test probe
that serves to
illuminate the work area. The signal lamp can also be used for quick Pass/Fail evaluations of
insulation resistances. Minimum values for insulation resistances arepresent if the lamp lights up.
Each tester comes equipped with built-in test probes, one alligator clip, a leatherette carrying
case and batteries.
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