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EXTECH MG320 Insulation Tester MultiMeter

The Extech MG320 offers comprehensive insulation resistance testing capabilities, including measurements up to 20 GΩ, with five test voltage ranges. It features Polarization Index (PI) and Dielectric Absorption Ratio (DAR) measurements, low resistance testing with a zero function, and a programmable timer to set test durations. The device includes a comparison mode for pass/fail thresholds, step voltage adjustments in 10% increments from 50% to 120%, auto-discharge function, and lock power for hands-free operation. It allows manual storage and recall of up to 99 readings, has a backlit 6,000-count display with an analog bargraph, and provides high voltage and overload indicators. Additional features include data hold, auto power off, and low battery indication.

Authorized Distributors
Source:Newark
Part No:MG320
Stock:2
Inv Date:06-05-2026
Price: Unit price: $437.48
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Source:DigiKey
Part No:MG320
Stock:0
Inv Date:06-05-2026
Price: Unit price: $499
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Part No:MG320
Stock:0
Inv Date:06-06-2026
Price: Unit price: $451.13
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Part No:MG320
Stock:1
Inv Date:06-05-2026
Price: Unit price: $267.94
Buy/RFQ:
Part No:MG320
Stock:0
Inv Date:06-05-2026
Price: Unit price: $499
Buy/RFQ:
Part No:MG320
Stock:0
Inv Date:06-05-2026
Price: Unit price: $499
Buy/RFQ:
Part No:MG320
Stock:5
Inv Date:06-05-2026
Price: N/A
Buy/RFQ:
Part No:MG320
Stock:0
Inv Date:06-05-2026
Price: Unit price: $509
Buy/RFQ:
Part No:MG320
Stock:0
Inv Date:06-05-2026
Price: Unit price: $499
Buy/RFQ:
Authorized Distributors
Part No:MG320
Stock:0
Inv Date:06-05-2026
Price: Unit price: $499
Buy/RFQ:
Part No:MG320
Stock:0
Inv Date:06-05-2026
Price: N/A
Buy/RFQ:

EXTECH MG320 Insulation Tester MultiMeter Specifications:

  • Insulation Resistance: 50MQ, 100MQ, 200MQ, 500MQ, 2000MQ, 1GQ, 10GQ, 20GQ
  • Resolution: 0.01MQ
  • Basic Accuracy: ±3%
  • Insulation Test Voltages: 50V, 100V, 250V, 500V, 1000V
  • AC/DC Voltage: 600V, 0.1V resolution
  • Resistance: 20kΩ, 0.012Ω resolution
  • Continuity testing: Yes
  • Dimensions: 8.9 x 4.1 x 2.3 inches (225 x 103 x 59 mm)
  • Weight: 1.5 lbs (0.7 kg)
  • Features: Polarization Index, Dielectric Absorption Ratio, Low Resistance Test, Programmable Timer, Pass/Fail Comparison, Step Voltage Adjustment, Auto-Discharge, Data Hold, Auto Power Off, Overload Indication, Backlit Display

Buy the Buy Extech Insulation Tester Part Number MG320 Online

Purchase the Extech MG320 insulation tester and multimeter online today to enjoy precise insulation resistance measurements up to 20 GΩ. This versatile device combines a portable design with five test voltage ranges, PI and DAR measurements, and a programmable timer for customized testing. Its digital display, data storage, and automatic features simplify complex testing tasks, making it ideal for electrical and industrial professionals. Secure this comprehensive testing instrument online now and ensure safety, accuracy, and efficiency in your electrical diagnostics and maintenance tasks.

Order your Extech MG320 insulation tester and multimeter today for accurate, reliable testing with comprehensive features for electrical diagnostics.

Frequently Asked Questions

Where can I buy EXTECH MG320?

You can click on the BUY or RFQ button to purchase MG320 from an authorized EXTECH distributor.

How do I troubleshoot issues or seek technical support for part MG320?

You can download the MG320 datasheet or visit the EXTECH website for support.

Who is the manufacturer of MG320?

EXTECH

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