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.

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

Sort and Filter Extech Insulation Testers

PRICE: $200 - $499 (); $500 - $999 (); $1000 - $2499 ()

IN STOCK: Yes (); No ()

MAX TEST VOLTAGE: 1kv (); 5kv (); 10kv ()

Extech 380260 Autoranging Digital Megohmmeter

1000V digital tester with large dual backlit display.

Mfg. has some models in stock

Starting at $304.69

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

Manual ranging insulation tester for 250V, 500V and 1000V test voltages.

Mfg. has stock

$257.39

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

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

Wide range measurement up to 5kV with insulation resistance to 60GΩ.

Starting at $933.90

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

Extech Insulation Testers

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