Description
LAUNCH • EV battery airtightness detector EVT511
The LAUNCH EVT511 is a professional-grade testing device designed for EV repair technicians to ensure airtight integrity of high-voltage battery packs after any repair or module replacement. With a high-sensitivity sensor, the EVT511 detects minute pressure changes to evaluate seal quality, preventing water ingress and electrical faults. It includes a large 10.1-inch LCD screen, preset control of volume, pressure, test duration, and leakage limits, and supports multiple languages for international use. The device operates from AC 90-264 V, uses dry compressed air as its medium, and accommodates working temperatures from -10 °C to 55 °C for reliable field performance.
Key benefits
- Non-destructive low-pressure test ensuring battery pack sealing without damage
- Real-time pressure curve and stage-by-stage visualisation: inflation, stabilisation, leakage, venting
- Presettable parameters: volume, pressure, leakage limit, stage durations
- High accuracy with sensor resolution of 1 Pa and full-scale precision ±5 % FS
- Wide operating conditions: -10-55 °C temperature, 10-90 % humidity (non-condensing)
Supported protocols
- RS-485
- USB data upload
Supported functions
Depending on vehicle compatibility the following functions are supported:
- Low-pressure airtightness testing for EV battery packs
- Visual display of test stages and pressure/leakage curve in real time
- Preset and recall of test parameters and workpiece identification
- Audible and visual alerts for abnormal or failed tests
Included items
- 1 × EVT511 main detector unit
- 1 × user manual
- 1 × packing list
- Multiple AC power cords (US, UK, EU, AU standards) for global compatibility









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