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Extech Insulation Testers

Insulation testers use a high voltage, low current DC Charge to measure the resistance within wires and motor windings to identify leakage or damaged insulation. Megohmmeters are ideal for monitoring machine health and improving preventative maintenance efforts.

Insulation testers use a high voltage, low current DC Charge to measure the resistance within wires and motor windings to identify leakage or damaged insulation. Megohmmeters are ideal for monitoring machine health and improving preventative maintenance efforts.

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Questions? Call one of our engineers at 1-800-884-4967.

Filter Extech Insulation Testers

PRICE
IN STOCK
MAX TEST VOLTAGE
Extech MG310 Digital Insulation Tester
Extech MG310 Digital Insulation Tester
Test Voltages of 250V, 500V, and 1000V, measure insulation resistance to 5.5GΩ (autoranging).
Mfg. has some models in stock
Starting at $234.29
Extech 380320 Analog Insulation Tester
Extech 380320 Analog Insulation Tester
Manual ranging insulation tester for 250V, 500V and 1000V test voltages.
Mfg. has stock
$257.39
Extech 380260 Autoranging Digital Megohmmeter
Extech 380260 Autoranging Digital Megohmmeter
1000V digital tester with large dual backlit display.
Starting at $304.69
Extech 380363 Digital Insulation Tester
Extech 380363 Digital Insulation Tester
Autoranging insulation measurements to 10GΩ plus manual data logging stores up to 9 data sets.
$318.99
Extech MG320 Insulation Tester / True RMS MultiMeter
Extech MG320 Insulation Tester / True RMS MultiMeter
Combines a 20GΩ/1000V high range Insulation Tester with a full-featured True RMS MultiMeter.
Mfg. has stock
$421.29
Extech 380395 / 380396 Digital High Voltage Insulation Tester
Extech 380395 / 380396 Digital High Voltage Insulation Tester
Wide range measurement up to 5kV with insulation resistance to 60GΩ.
Mfg. has some models in stock
Starting at $933.90
Extech MG500 High Voltage Insulation Tester
Extech MG500 High Voltage Insulation Tester
Tests voltage up to 10kV and measures Insulation Resistance to 500GOhm, polarization index (PI) measurement.
Mfg. has some models in stock
Starting at $1,749.00

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