GDS Gas Emission Initial Velocity Measuring Device Technical Manual
I. Equipment Overview
This device is developed in accordance with the AQ 1080-2009 standard "Method for Determination of the Initial Velocity Index of Gas Emission from Coal (ΔP)" and is specifically used for identifying the risk of coal and gas outbursts in coal mines. Through a five-channel synchronous measurement system, it can accurately determine the initial velocity index of gas emission from coal samples (Δp), providing scientific data support for mine safety production.
II. Technical Features
1. Intelligent Control System
o Fully automates the adsorption/desorption process
o Automatically calculates Δp values and generates test reports
o Features automatic data deviation diagnosis
2. Multi-Parameter Measurement System
o Measurement range: 0-0.1MPa (0-760mmHg)
o Accuracy class: 0.5 (error ≤0.2%FS)
o Time control accuracy: 0.1 seconds
3. Data Management Module
o Supports computer data acquisition and storage
o Equipped with a standard printer interface
o Can output data charts and test reports
III. Standard Configuration
? Coal sample processing components: Agate mortar, glass weighing bottle
? Screening system: 0.2mm/0.25mm standard sieve
? Measuring equipment: 0.1g precision analytical balance
? Auxiliary devices: Constant temperature drying oven
IV. Technical Parameters
Item Specification Working Pressure 0.1MPa Gas Concentration 99.9% CH4 Power Specifications AC220V 50Hz Number of Channels 5 parallel channels

V. Quality Assurance
1. 12-month quality warranty provided
2. Supports regular metrological calibration services

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