User manual for the BrACAudit LOCK‑I alcohol lock, detailing features, installation, operation, GPS tracking and safety instructions.
The BrACAudit LOCK‑I is a breath‑alcohol lock that integrates an electrochemical sensor, GPS tracking and vehicle ignition control to prevent drunk driving. It is installed in the vehicle cabin and requires a breath test before the ignition can be engaged, with random checks during driving.
The manual provides product overview, technical specifications, installation steps, handheld device operation, control‑box functions, management‑tool usage, fault diagnosis and safety warnings, enabling users and fleet managers to operate and maintain the system safely. This manual is written in Chinese.
| Alcohol measurement principle | Electrochemical sensor |
|---|---|
| Operating temperature range | -40 °C to +85 °C |
| Display | 240 × 320 TFT, 260 000 colors |
| Event record storage capacity | Over 2 million records |
| Handheld dimensions | 142.5 mm × 64 mm × 33.8 mm |
| Control‑box dimensions | 128 mm × 147 mm × 37 mm |
| Input voltage | 12 V ~ 36 V |
| GPS sensitivity | -159 dBm |
| Measurement units | BAC mg/100 ml; g/100 ml; mg/ml |
The sensor should be calibrated every 6 months.
If the test result exceeds 80 mg/100 ml (≈0.36 mg/L), the vehicle remains locked.
The device can store more than 2 million event records.
The device operates from –40 °C up to +85 °C.