
SKU: MG310
The MG310 is a Compact Insulation Resistance Tester which allows quick and easy testing/troubleshooting of motors, transducers, and other industrial appliances. Wide range measurement up to 1000V with Insulation Resistance to 5.5GΩ. Includes an easy snap on protective hard cover and soft pouch to conveniently transport your meter and accessories to the next job site or to safely store away. Featuring Low Resistance measurement with Zero function, Continuity beeper, Large 2000 count dual display with backlight, High voltage and overload indication, Auto-discharge and voltage output warning functions as well as Low battery indication. Complete with test leads, alligator clips, 6 x AA batteries, hard cover, and soft carrying case.
List price. Volume pricing available.
The MG310 is a Compact Insulation Resistance Tester which allows quick and easy testing/troubleshooting of motors, transducers, and other industrial appliances. Wide range measurement up to 1000V with Insulation Resistance to 5.5GΩ. Includes an easy snap on protective hard cover and soft pouch to conveniently transport your meter and accessories to the next job site or to safely store away. Featuring Low Resistance measurement with Zero function, Continuity beeper, Large 2000 count dual display with backlight, High voltage and overload indication, Auto-discharge and voltage output warning functions as well as Low battery indication. Complete with test leads, alligator clips, 6 x AA batteries, hard cover, and soft carrying case.
The Extech MG310 Compact Digital Insulation Tester # MG310 is manufactured by Extech. Valley Instrument Service is an authorized Extech dealer offering full sales support, NIST-traceable calibration, and expert technical assistance.
Our team can help with product selection, specs, pricing, and application support.
Contact Us or Call (661) 327-8681| AC Voltage | 30 to 600V |
| AC Voltage Basic Accuracy | ±2% of reading |
| Insulation Resistance | 0.00 to 99.9MΩ , 100M to 5.5GΩ |
| Insulation Resistance Basic Accuracy | ±5% of reading |
| Insulation Test Voltage | 250V/500V/1000V |
| Resistance | 0.00 to 200Ω |
| Certifications | CE |
| Dimensions | 6 × 4 × 2.8" (150 × 100 × 71mm) |
| Power | 6 × AA (1.5V) batteries |
| Safety Category | CATIII - 600V |
| Warranty | 2 years |
| Weight | 1.5lbs (0.7kg) |

This autoranging megohmmeter measures insulation resistance up to 2000MΩ. Choice of 250,500 or 1000VDC test voltages. The large backlit dual display indicates test voltage output and insulation resistance. Low resistance, continuity and AC/DC voltage measurement functions. Other features include automatic discharge at the end of test, protective holster with stand, power lock on feature and data hold. Complete with test leads, carrying case and 6 AA batteries.

The Extech 380320 is an Analog Insulation Tester with a large, easy to read analog display. It features a live circuit warning which displays the actual AC voltage measurement. It also includes an automatic discharge circuit, lock power on feature for extended test times, and insulation resistance up to 400 MΩ. Complete with heavy duty test leads, alligator clip test lead, 6 AA batteries, hanging strap, and hard carrying case.

With the Extech 380395, measure insulation resistance up to 60 GΩ with test voltages of 500 V, 1000 V, 2500 V, and 5000 V. Its features include polarization index measurement (PI), dielectric absorption ratio measurement (DAR), AC/DC voltage measurement up to 600 V, peak and relative functions, and a 1 min to 15 min timer function for IR measurements. Comes with test leads, eight C batteries, 120 V AC adaptor, heavy duty carrying case, and a user manual.

With the Extech 380396, measure insulation resistance to 60 GΩ with test voltages of 500 V, 1000 V, 2500 V, and 5000 V. It features several measurements including polarization index (PI), dielectric absorption ratio (DAR), and AC/DC voltage to 600 V with a min/max function. It also has peak and relative functions, as well as a 1 to 15 minute timer function for IR measurements. Comes with test leads, eight C batteries, 220 V AC adaptor, heavy duty carrying case, and user manual.