1. Power: 3 * AAA1.5V
2 working temperature: 0-50 �
3. Sensor: electrochemical nitric oxide sensor
4 working humidity: 10% -95%
5. Detection concentration: 000-999ppm
6. Sensitivity level: 5PPM
7. Error: plus or minus 10%
8. Normal working concentration: 000PPM
9. Alarm concentration: 030-999PPM
use:
1. Operation live voice prompts
2. High reliability electrochemical sensor
3. Display carbon monoxide gas concentration (PPM)
4. 3 * 1.5AAA battery-powered (No. 7 battery not included)