Extech MG300 / MG302 CatIV Insulation Tester / Multimeter

Combines a 1000V Insulation Tester With a full-featured True RMS MultiMeter.

Extech MG300 / MG302 CatIV Insulation Tester / Multimeter

Extech MG300 / MG302 CatIV Insulation Tester / Multimeter
Extech MG300 Wireless Insulation Tester & Multimeter Product Video

Retired products cannot be ordered

The Extech MG325 Insulation Tester / True RMS MultiMeter is the recommended replacement.

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Manufactured

By Extech

Includes

FREE Ground Shipping on orders of $1,000 or more
FREE Lifetime Tech Support

Features

Wireless USB interface transmits measurement data to a PC
Backlit super large triple display
125V, 250V, 500V, and 1000V test voltages
Insulation Resistance from 0.001MΩ to 4000MΩ
Auto discharge of capacitive voltage
Lock Power On Function for hands-free operation
Data Hold to freeze displayed reading
Min/Max and Relative mode
Auto power off
Waterproof (IP67) rugged double-molded design

What's in the Box

Remote receiver with USB cable
Windows compatible software
Test leads with alligator clips
Type K bead wire temperature probe with adapter
Carrying case
Six AA batteries

Documents

Current Clamps

FLIR TA72 / TA74 Current Probes

FLIR TA72 / TA74 Current Probes

Compatible with most brands of Multimeters and Clamp Meters, max AC current 3000A, ±3.0% accuracy.

Mfg. has some models in stock

Starting at $185.99

Accessories

Please consider these optional accessories.

Extech CA3000 Series Clamp-On Adapters

Extech CA3000 Series Clamp-On Adapters

CAT IV 3000A AC Flex Clamp-on Adaptors, 10" or 18", AC current up to 3000A, 7.5mm cable diameter.

Starting at $150.99

Need Help? Call a Temperature engineer at 1-800-884-4967

We're open Mo-Th 8am to 5:30pm. Fr 8am to 5pm ET

David S.
Applications Engineer

Dwight M.
Senior Applications Engineer
28 years at Instrumart

Rhys D.
Applications Engineer

Alex A.
Senior Applications Engineer
19 years at Instrumart

Shawn D.
Senior Applications Engineer
20 years at Instrumart

Ron J.
Temperature Engineering Lead
29 years at Instrumart

Luke M.
Applications Engineer
5 years at Instrumart

David S.
Applications Engineer

Dwight M.
Senior Applications Engineer
28 years at Instrumart

Rhys D.
Applications Engineer

Alex A.
Senior Applications Engineer
19 years at Instrumart

Shawn D.
Senior Applications Engineer
20 years at Instrumart

Ron J.
Temperature Engineering Lead
29 years at Instrumart

Luke M.
Applications Engineer
5 years at Instrumart

David S.
Applications Engineer

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Extech MG300 / MG302 CatIV Insulation Tester / Multimeter