1. Detected gas: sulfur dioxide 2. Measurement range: 0~20ppm 3. Resolution: 1ppm 4. Sensor: electrochemical sensor, two-year lifespan 5. Low/high concentration alarm: yes 6. Alarm value setting: yes 7. Alarm prompt: three-layer alarm (sound, light, vibration), adjustable alarm threshold 8. Power supply: 3.7V Lithium Battery 9. High-precision sensor, sensitive response, accurate measurement, with good stability and repeatability, capable of timely detection and alarm, ensuring no danger is missed. 10. A triple alarm system featuring high-decibel beeping, light display and vibration is adopted. The alarm value can be set, and the sound can reach up to 80 decibels. 11. Rechargeable 3.7V lithium battery, long service life, safe and durable, long battery life, approximately 9 hours of use on a single charge. 12. Compact and portable size, suitable for measurement in various complex environments and locations, convenient and practical. 13. Weight: 200g 14. Dimensions: 120x64x38mm
Verified Compatible
Guaranteed fit for device in the title. Wrong part? Full refund including shipping.
