Megger EVT100 Electric Vehicle Tester
The Megger EVT100 is a handheld electric vehicle tester designed for EV workshops, garages, maintenance teams, and industrial users. It combines insulation resistance, continuity, bonding, voltage, and diode testing in one easy-to-use device.
The EVT100 is suitable for:
- Electric vehicle workshops: manufacturing, servicing, and repairs
- Maintenance teams: fault-finding and routine inspections
- Insurance and crash investigation centres: EV safety testing and diagnostics
- Industrial applications: continuity, bonding, and insulation resistance testing
The tester features a rugged IP54-rated housing with shock-absorbing over-moulding for use in demanding workshop and field environments.
Megger EVT100 Key Features and Testing Capabilities:
- Multiple EV testing functions in one handheld tester
- Full-colour display with guided lead setup diagrams
- DC voltage testing up to 1000 V
- Insulation resistance testing with surface leakage detection
- Four-wire Kelvin low resistance testing for bonding verification
- Continuity and diode testing
- PI and DAR testing for insulation diagnostics
- Temperature measurement and compensation
- Stores up to 256 test results with USB download capability
- Rechargeable batteries and charger included
- CAT III 600 V safety rating
- UN ECE R100 compliant for EV testing applications
Safety and Performance
- Fast live circuit detection with automatic test inhibit
- User-selectable insulation lockout voltages of 25 V, 30 V, 50 V, and 75 V
- Guard terminal reduces surface leakage errors during insulation testing
- Bi-directional continuity testing improves accuracy without reconnecting leads
- Lead resistance compensation up to 10 Ω
- IP54 protection against dust and moisture ingress
Insulation and Low Resistance Testing
- Insulation resistance range: 100 Ω to 200 GΩ
- Custom insulation test voltage: 10 V to 999 V
- DLRO Kelvin testing range: 1 mΩ to 10 Ω
- Continuity testing range: 0.01 Ω to 1.0 MΩ
- 200 mA test current for low resistance bonding tests
The Megger EVT100 is ideal for testing EV high-voltage systems, cables, connectors, insulation resistance, and electrical bonding.
Megger EVT100X Electric Vehicle Tester with Bluetooth
The Megger EVT100X includes all the features of the EVT100 but adds Bluetooth connectivity for wireless data transfer and reporting.
The EVT100X supports CertSuite Lite for live data streaming, reporting, and asset management. This makes it a great choice for professional EV workshops and service teams that need faster digital reporting and test record storage.
- Bluetooth BLE connectivity
- Live data streaming
- Wireless reporting and result transfer
- Compatible with CertSuite Lite software
What comes with the Megger EVT100 / EVT100X?

- Megger EVT100 or EVT100X tester
- Industrial carry case with hook and magnetic straps
- SP5 remote probe
- Temperature probe
- Insulation resistance lead set with clips, probes, and test leads
- Kelvin clip and Kelvin probe lead sets
- Replaceable Kelvin probe pins
- Rechargeable batteries and charger
- Calibration and test certificates
See data sheet for full details.
❓ Frequently Asked Questions (FAQ)
Q1: What is the Megger EVT100 used for?
A. The EVT100 is used for EV testing, insulation resistance testing, bonding checks, continuity testing, and fault-finding.
Q2: What is the difference between the EVT100 and EVT100X?
A. The EVT100X adds Bluetooth connectivity and wireless reporting features.
Q3: Can the EVT100 test EV high-voltage systems?
A. Yes. It is designed for testing EV cables, connectors, insulation resistance, and bonding systems.
Q4: Does the EVT100 support four-wire Kelvin testing?
A. Yes. The tester includes four-wire Kelvin low resistance testing for accurate bonding verification.
Q5: Is the EVT100 suitable for workshop use?
A. Yes. Its rugged IP54-rated design makes it ideal for workshop and field environments.