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Best Insulation Resistance Meters Under $200 (2026)

We selected meters under $200 by value score, prioritizing test voltage and megohm range, user ratings, and practical features for electrical testing

This roundup covers handheld insulation resistance meters under $200, comparing accuracy, test voltage range, and usability for electrical troubleshooting and maintenance. Picks were chosen by value score from units offering common test voltages (up to 1000 V), clear megohm ranges, and consistent user ratings across trusted tool brands

Top Picks

  1. 1
    Supco M500 Insulation Tester with Case

    Supco M500 Insulation Tester with Case

    Supco • ★ 3.9/5 • Premium

    Compact insulation tester measures up to 1000 megohms at 500 VAC, with a zone scale for insulation condition and a carrying case. Users note quick, accurate readings and ease of use, though some report short leads

    • up to 1000 megohms range
    • zone-scale for quick condition assessment
    • portable with storage case
    Check current price on Amazon →
  2. 2
    BTMETER Megohmmeter 1000V Insulation Resistance Tester

    BTMETER Megohmmeter 1000V Insulation Resistance Tester

    BTMETER • ★ 3.7/5 • Mid-Range

    Digital insulation resistance tester with 250/500/1000VDC options and 0.1M–2G range. Includes 1999-count digital multimeter display for AC voltage up to 750V. "Customers report it gets the job done in one step with good accuracy and build quality."

    • three voltage testing options
    • broad resistance range up to 2G
    • dual-functional: insulation tester + voltmeter
    Check current price on Amazon →
  3. 3
  4. 4
    M500 Megohmmeter Insulation Tester

    M500 Megohmmeter Insulation Tester

    oiuebxe • ★ 3.7/5 • Mid-Range

    Insulation resistance tester compatible with M500 electronic megohmmeter. Measures insulation values up to 1000 MΩ at 500 V. Includes soft case and test leads for storage and use

    • high-voltage insulation measurement
    • built-in storage for test leads
    • comprehensive accessory inclusion
    Check current price on Amazon →
  5. 5
    UEi IRT803 insulation resistance tester 600V

    UEi IRT803 insulation resistance tester 600V

    UEi Test Instruments • ★ 3.5/5 • Premium

    Insulation resistance tester with voltage testing up to 600V and resistance range to 20G. Provides precise readings across multiple test voltages and features CATIV safety rating. Customers note quality, value, and versatile functionality

    • multiple test voltages available
    • high accuracy 1.5-3% + 5 digits
    • up to 20G insulation resistance
    Check current price on Amazon →
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Buying Guide

Test voltage range

Choose a meter with voltage options matching your needs—models here offer up to 600 V or 1000 V for higher-voltage insulation tests

Insulation resistance range

Look for a megohm range that covers the expected insulation values; several units report up to 1000 MΩ for large resistance measurements

Build and handheld ergonomics

Prefer compact, handheld designs with clear displays and durable housings for jobsite use and repeated electrical testing

Safety and certifications

Verify safety ratings and protection features appropriate for electrical work—many meters include voltage rating labels and robust insulation

Value and user feedback

Balance features against price—compare value scores and user ratings from similar brands to assess reliability and performance