Applicable environmental conditions for the portable carbon monoxide detector CTH1000 (A) for coal mines:
1. Temperature: 0-40°C. 2. Relative humidity: ≤98%RH (25°C).
3. Atmospheric pressure: 80-116 kPa. 4. Coal mine underground with methane and coal dust explosive mixtures.
Safety features of the portable carbon monoxide detector CTH1000 (A) for coal mines:
1. Explosion-proof type: Mine intrinsically safe type. 2. Explosion-proof mark: ExibIMb.
Technical specifications of the portable carbon monoxide detector CTH1000 (A) for coal mines:
1. Measuring range: 0-1000×10?? CO.
2. Alarm point: 5-500×10?? CO continuously adjustable (factory setting 24×10?? CO).
3. Basic error:
a. (0-20)×10?? CO, not more than ±2×10?? CO.
b. (20-100)×10?? CO, not more than ±4×10?? CO.
c. (100-500)×10?? CO, not more than ±5.0% of the measured value.
d. (500-1000)×10?? CO, not more than ±6.0% of the measured value.
Response time: T＜60s.
Indication method: LED display of real-time data and system status, light-emitting diode and sound alarm, fault and under-voltage.
Rated voltage: 3.7V Operating current: ≤74mA Battery model: PL053344 type single manganese acid lithium battery.
Battery capacity: not less than 630 mAh Charging time: 4h-8h Maximum output voltage: 4.2V Maximum output current: 2.6A.
Sensor life: 2 years Protection level: IP54.

Zhengzhou Aidi produces portable carbon monoxide detector CTH1000 (A)supplies coal drill cuttings desorption instrument, deep hole sampling device, pressure measuring instrument, geological exploration desorption instrument, borehole flow meter, mine extraction and outburst prevention equipment, true density measuring instrument for coal, gas content measuring instrument, automatic measuring instrument for initial gas emission rate, diffusion rate measuring instrument, gas parameter instrument for coal extraction pipelines, isothermal high-pressure adsorption device, ab value measuring instrument