The ZKC5 Gas Drainage Parameter Measuring Instrument must comply with the new edition of the "Coal Mine Regulations" and related provisions, and obtain the coal mine certification mark for underground use in coal mines. It shall be provided with an "MA" identification plate and a product qualification certificate.

Operating Conditions for the ZKC5 Gas Drainage Parameter Measuring Instrument:
Underground ambient temperature: 0–20°C year-round; applicable humidity: 55%–90%; environment with the risk of gas mixtures and coal dust explosions.

Equipment Configuration Table for the ZKC5 Gas Drainage Parameter Measuring Instrument:
No. Equipment Name Model and Specifications Unit Quantity
1 Main Unit ZKC5 unit 1
2 Probe Suitable for pipe diameters of φ1000mm, φ700mm, φ300mm unit 2
3 Charger unit 2

Main Technical Parameters of the ZKC5 Gas Drainage Parameter Measuring Instrument:
6.1 Technical Parameters
6.1.1 Temperature Measurement: a) Measuring range: (-10–50)°C; b) Basic error: ±2.5%(F.S).
6.1.2 Pressure Measurement: a) Measuring range: (20–200)kPa; b) Basic error: ±1.5%(F.S).
6.1.3 Differential Pressure Measurement: a) Measuring range: (0–500)Pa; b) Basic error: ±0.75%(F.S).
6.1.4 Gas Concentration Measurement: a) Measuring range: (0–100)%CH4; b) Basic error: (0–1.00)%CH4, ±0.07; (1.00–100)%CH4, ±7% of true value; c) Response time: ≤50s.
6.1.5 Flow Velocity Measurement: a) Measuring range: (0.3–23)m/s; b) Basic error: ±2%(F.S).
6.2 Technical Requirements
Continuous operating time shall be no less than 5 hours.

Zhengzhou Aidi produces the ZKC5 Gas Drainage Parameter Measuring Instrument and supplies coal drill cuttings desorption instruments, deep-hole sampling devices, pressure measuring instruments, geological exploration desorption instruments, borehole flow meters, mine extraction and outburst prevention equipment, true density measuring instruments for coal, gas content measuring instruments, automatic initial gas emission speed measuring instruments, diffusion speed measuring instruments, gas parameter instruments for coal extraction pipelines, and borehole coal powder circulation devices.