Triplett MG500-NIST MG500 Insulation Tester/Megohmmeter with Certificate of Traceability to N.I.S.T
SKU
MG500-NIST
Model No
MG500-NIST
$727.99
Product Highlights
- 50V, 100V, 250V, 500V, and 1000V Test Voltages
- Polarization Index ((PI)
- Dielectric Absorption Rate (DAR)
- Lock Power feature for hands-free operation
- Timed Test function (1 to 10 minutes in 1 minute increments)

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The Triplett MG500 Insulation Tester is a state-of-the-art megohm meter designed to measure insulation resistance up to an impressive 200GΩ. Its versatility is highlighted by the ability to conduct tests at five different voltages, along with comprehensive measurements of AC/DC voltage, resistance, capacitance, frequency, and continuity. This reliable instrument simplifies the process of insulation testing and electrical measurements, making it an essential tool for professionals across various industries. The MG500-NIST version offers a certificate of traceability to NIST standards for added credibility.
Triplett MG500 Insulation Tester Unique Features
- Insulation Resistance to 200GΩ: Capable of measuring insulation resistance up to 200GΩ, ensuring thorough insulation testing.
- Multiple Test Voltages: Supports five test voltages (50V, 100V, 250V, 500V, and 1000V) to suit various testing scenarios, providing flexibility.
- Polarization Index (PI) and Dielectric Absorption Rate (DAR): Features PI and DAR measurements for advanced insulation analysis, enhancing diagnostic capabilities.
- Lock Power Feature for Hands-Free Operation: Provides a lock power function for hands-free and stable testing, increasing ease of use.
- Timed Test Function: Includes timed test settings from 1 to 10 minutes in 1-minute increments, allowing for customized testing durations.
- ETL Listed: ETL listing ensures product safety and compliance with industry standards, providing user confidence.
- Comparison Mode (Pass/Fail): Offers a comparison mode to quickly determine if test results meet specified criteria, streamlining evaluations.
- Leakage Current Measurement: Allows for accurate leakage current measurements to assess insulation integrity, contributing to safety.
- AC/DC Voltage, Resistance, Capacitance, Frequency, and Continuity Measurement: Conducts a wide range of electrical measurements for comprehensive testing, enhancing versatility.
- Complete Package: Includes test leads, test probes, a remote control probe, alligator clips, (6) AA batteries, and a durable carrying case for convenience.
- CAT IV 600V Safety Category: Rated for CAT IV 600V safety category, ensuring safe operation in demanding electrical environments.
Triplett MG500 Detailed Specifications
| Model | MG500-NIST |
| Insulation Resistance Measurement | Up to 200GΩ |
| Test Voltages | 50V, 100V, 250V, 500V, 1000V |
| Leakage Current Measurement | Yes |
| PI/DAR Measurement | Yes |
| Safety Rating | CAT IV 600V |
| Included Accessories | Test leads, test probes, remote control probe, alligator clips, (6) AA batteries, carrying case |
| Compliance | ETL Listed |
| Weight | Varies with accessories |
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