The Megger EVT100 consolidates all essential EV testing functions into one robust unit. Whether performing insulation resistance tests up to 1 kV, low-resistance bond verification, continuity checks, diode testing, or DC voltage, and polarity measurements.
The EVT100 supports two-, three-, and four-wire low-resistance testing, which is critical for validating the integrity of metal bonding in EVs. For insulation testing, it provides automatic temperature compensation and a guard terminal to minimise the influence of surface leakage.
The EVT100 is drop-resistant and includes intelligent safety characteristics that prevent improper operation. The internal memory stores up to 256 results, which you can export via a USB stick.
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All quoted accuracies are at 20 °C (68 °F). | ||
Insulation Resistance | Volts | Accuracy |
---|---|---|
50 V | 10 GΩ ±2% ±2 digits ±4.0% per GΩ | |
100 V | 20 GΩ ±2% ±2 digits ±2.0% per GΩ | |
250 V | 50 GΩ ±2% ±2 digits ±0.8% per GΩ | |
500 V | 100 GΩ ±2% ±2 digits ±0.4% per GΩ | |
1000 V | 200 GΩ ±2% ±2 digits ±0.2% per GΩ | |
Polarisation Index (PI) | 10 min / 1 minute ratio | |
Dielectric Absorption Ratio (DAR) | User configurable 15s or 30s t1 start time with t2 fixed at 60s | |
Guard Terminal Performance | <5% error at 500 kΩ parallel circuit resistance with 100 MΩ load | |
Resolution | 0.1 kΩ | |
Short Circuit/Charge Current | 2 mA +0% -50% (IEC61557-2) | |
Terminal Voltage Accuracy | -0 +2% ±2 V | |
Test Current | 1 mA at min. pass value of insulation to a max. of 2 mA | |
Operation Range | 0.10 MΩ to 1.0 GΩ (IEC61557-2) | |
Leakage Current Display | 0.1 uA resolution 10% (±3 digits) | |
Voltage Display | ±3% ±2 digits ±0.5% of rated voltage | |
Note: The above specifications only apply when high-quality silicone leads are being used as supplied by the instrument. | ||
Continuity | ||
Measurement | 0.01 Ω to 1 MΩ (0 to 1000 kΩ analogue scale) |
|
Accuracy | ±3% ±2 digits (0 to 99.9 Ω) ±5% ±2 digits(100 Ω - 500 kΩ) |
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Test Current | 200 mA (-0 mA +20 mA) (0.01 Ω - 4 Ω) |
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Polarity | Single or Dual (factory default) polarity | |
Lead Resistance | Null up to 10 Ω | |
Selectable Current Limit | 20 mA and 200 mA | |
Voltmeter | ||
Range | DC: 0 - 1000 V | |
Accuracy | DC: ± 2% ±2 digits (0 - 1000 V) | |
Diode Test | Diode test accuracy: ±2% ±2 digits 0.01 V to 3.00 V |
|
Display Range | 0.00 V to 3.00 V | |
Temperature Measurement and Compensation | ||
Thermocouple | Type T (Type K and Type J) | |
Thermocouple Range | -20 °C to 200 °C (4 °F - 392 °F) | |
Instrument Range | -20 °C to 1000 °C (4 °F - 1832 °F) | |
Instrument Resolution | 0.1 °C (0.18 °F) | |
Instrument Accuracy | ±1.0 °C ±20 digits (1.8 °F). (Basic accuracy is stated to assume forward and reverse measurements.) |
|
DLRO Four Wire Kelvin Low Resistance | ||
Test Current | 200 mA DC | |
Range | 1 mΩ to 10 Ω | |
Resolution | 0.01 mΩ | |
Accuracy | ± 0.25% rdg. ± 10 digits, accuracy stated includes forward and reverse measurements. | |
Results Storage | ||
Storage Capacity | 256 test results (date/time stamped) | |
Data Download | USB Type A (USB Mass Storage Device) | |
Power | ||
Battery | 6 x IEC LR6 1.5 V Alkaline (AA) IEC FR6 1.5 V Lithium (LiFeS2) IEC HR6 1.2 V NiMH (rechargeable option). |
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Battery Life | 1200 insulation tests with a duty cycle of 5s testing on 25s standby @ 500 V into 0.5 MΩ. | |
Battery Charging | Main battery charger kit | |
Safety Protection | IEC61010-1 CAT III 600 V | |
EMC | Industrial IEC61326 | |
Temperature Coefficient | <0.1% per °C up to 1 GΩ | |
Environment | ||
Operating Temperature Range | -10 °C to 50 °C (14 °F to 122 °F) | |
Storage Temperature Range | -25 °C to 50 °C (-13 °F to 122 °F) | |
Humidity | 90% RH at 40 °C (104 °F) max. | |
Calibration Temperature | 20 °C (68 °F) | |
Maximum Altitude | 3000 m (9843 ft.) | |
IP Rating | IP54 | |
Physical | ||
Display | Full LCD colour screen with user-configurable backlight | |
Languages | English, French, German and Spanish. | |
Dimensions | 228 x 105 x 75 mm (8.98x 4.1 x 2.95 in) |
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Weight | 0.93 kg (2.02 lbs) | |
Fuse | x2 500 mA (FF) 1000 V 32 x 6 mm ceramic fuse, high break capacity HBC, 30 kA minimum. Glass fuses must not be installed. |