GC-4095(A) Portable Gas Analyzer for Coal Mines

Product Introduction

The GC-4095(A) Portable Gas Analyzer for Coal Mines is a portable gas chromatograph designed for direct use in underground mine disaster rescue environments. It features high sensitivity and accuracy for common gas assays, enabling rapid and precise detection, analysis, and explosion risk assessment of gas parameters in underground disaster environments, providing reference support for mine rescue command decision-making.

Product Features

● Automatic and manual sampling; built-in computer analysis system for real-time data analysis and immediate results, providing scientific basis for rescue sites;

● Analyzes gas components including: oxygen, nitrogen, methane, ethylene, ethane, acetylene, carbon monoxide, carbon dioxide, and others;

● Uses high-precision gas thermal conductivity sensors with silicon microtechnology, featuring low power consumption, wide temperature range, high sensitivity, low detection limit, and high detection accuracy;

● Lightweight, approximately 6 kg; compact and innovative design; includes built-in carrier gas cylinder and rechargeable lithium battery; suitable for emergency monitoring and on-site analysis; can be carried with one hand, replacing gas analysis vehicles;

● Built-in explosion-proof battery with over 72 hours of use without any external power supply;

● Short analysis cycle, full analysis within 13 minutes;

● Easy to use, requires only one gas as carrier gas, no fuel or oxidizing gases needed;

● Non-destructive testing, allowing secondary analysis and detection of the tested gas;

● Instrument storage can save 2000 test results and the latest 56 raw test data entries; data can be backed up to a computer via workstation; raw data can be reanalyzed through the workstation; results are saved as text files for easy data extraction and report or form generation;

● Compatible with coal mine gas analysis data processing system (built-in explosion triangle analysis system), allowing instrument data to be transmitted to the workstation system for more convenient data processing and analysis.

Technical Parameters

1. Main Unit

1.1 Chromatograph features a ten-port valve injection system with an injection optocoupler on the valve, ensuring excellent retention time accuracy and more precise data.

1.2 Weight: ~6kg

1.3 Dimensions: Length 310 * Width 160 * Height 250 (mm)

1.4 Power supply: 12.6V, 1.8A rechargeable battery

1.5 Battery operating time: over 8 hours

1.6 Large touchscreen LCD display

1.7 LCD screen displays battery level, analysis time, power switch, toggle key, page flip key, signal level, chromatograms of measured components, and component concentration charts

1.8 Can connect to data workstation via USB output cable to read peak height or area data and concentration content of each component

1.9 Dual-channel design, O ₂ N ₂ CH ₄  CO appears on channel A, CO ₂   C ₂ H ₄ C ₂ H ₆ C ₂ H ₂ appears on channel B

1.10 Minimum detection amount: C2H4 minimum detection concentration not less than 50ul/L; CO, C2H2, C2H6 minimum detection concentration not less than 100ul/L

1.11 Quantitative repeatability: ≤3%

1.12 Chromatographic detection product meets O _2, N _2, CH _4, CO, CO _2, C ₂ H _4, C ₂ H _6, C ₂ H ₂   Detection indicators for 8 components, with workstation software screenshots reflecting these 8 components.

2. EW-GC-95 Coal Mine Gas Analysis Data Processing System

2.1 Fully Chinese Windows XP, Windows 7, Win10 system platform

2.2 Uses chromatographic quantitative detection methods including external standard, internal standard, and normalization methods

2.3 Sampling sensitivity: 0.1μv/s;

2.4 Range: -1v~1v;

2.5 Detectable peak count: 2000;

2.6 Maximum chromatogram storage: 20 times/hour;

2.7 Measurement accuracy (linearity): ±0.2%

2.8 Repeatability: ±0.1 (peak area); ±0.2 (peak height)

2.9 Includes explosion triangle software