The Sobermate S3 (SM-S3) breathalyser uses a state-of-the-art fuel cell sensor for reliable, accurate readings in a sleek, portable design—just power on, warm up, and blow. It tracks total test count and can deliver up to 1,000 tests on one set of AAA batteries, making it a dependable companion for nights out.
BAC range: 0.000%–0.400% BAC; also displays ‰ and mg/L (units selectable)
Accuracy: ±0.0075 at 0.10% BAC / ±0.075‰ at 1.0‰ / ±0.0375 mg/L at 0.50 mg/L
Sensor: Fuel cell
Warm-up: 15–20 s (at 0.05% BAC); response: 3–15 s
Operating temperature: 5–40°C
Power: 2× AAA alkaline; up to ~1,000 tests per set
Mouthpieces: 3 included; compatible with AlcoSense/Sobermate mouthpieces
Memory: Last test recall; total test counter
Calibration: Every 500 tests or 1 year (whichever first); 500-test reminder
Alerts/Features: FLO error warning, low battery, auto power-off after 3 minutes, unit switching