WFC-III Fully Automatic Initial Velocity of Gas Emission Measuring Device Technical Manual
I. Product Overview
This device is a professional equipment used for accurately measuring the initial velocity of gas emission index (ΔP) of coal samples, complying with national standards such as AQ 1080-2009. It adopts microcomputer control technology and a high-precision pressure sensing system, making it suitable for coal mine safety detection, scientific research experiments, and other fields.
II. Technical Features
1. Intelligent Detection System:
o Uses a 0.2-class high-precision pressure sensor (error ≤0.2%)
o Capable of simultaneously testing 6 groups of coal samples
o Automatically completes the entire adsorption/desorption process
2. Automated Functions:
o Built-in 16-bit AD conversion chip
o Data storage cycle ≥180 days
o Supports parameter presetting and report printing
III. Technical Parameters
a) Measurement range ΔP: 0–100 (one unit of ΔP parameter equals 1mmHg)
b) Measurement error: ±2
c) Number of samples measured: 3 per test (parallel sample measurement)
d) Storage capacity: EPROM 16K RAM 8K
e) Operating power supply: 220V ±10% AC
f) Dimensions: 440mm × 220mm × 300mm
g) Weight: less than 10kg
IV. Application Fields
1. Coal mine safety laboratories
2. Coal research institutes
3. Mining engineering departments in universities
4. Safety supervision agencies
V. Quality Assurance
1. Certified for mine product safety
2. 12-month warranty on the whole machine
3. Professional technical support provided

Zhengzhou Aidi ProductionWFC-III Fully Automatic Initial Velocity of Gas Emission Measuring DeviceSupplies coal drill cuttings desorption instrument, deep hole sampling device, pressure measuring instrument, geological exploration desorption instrument, borehole flow meter, mine gas extraction and outburst prevention equipment, true density measuring instrument for coal, gas content measuring instrument, automatic initial velocity of gas emission measuring instrument, diffusion velocity measuring instrument, gas parameter instrument for coal extraction pipelines, borehole coal powder circulation device