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The GC-950M gas chromatograph is a specialized gas chromatograph for coal mining systems designed and manufactured by Shanghai Haixin Chromatography Instrument Co., Ltd. based on extensive consultation with experts in coal mining systems and the actual requirements of coal mining systems. The machine adopts three gas path six way valve injection and FID dual column parallel timed injection, which excellently meets the requirements of coal mining systems in terms of detection sensitivity, chromatographic peak separation, and quantitative accuracy. This instrument has a reliable and stable flow control system, microcomputer automatic control system, five stage programmed temperature rise function, automatic rear door opening function, etc.
Adopting a microcomputer automatic control system, with full Chinese keyboard operation and character display;
A large volume column box with an internal porous structure design ensures uniform air distribution and high temperature control accuracy, ensuring good reproducibility of analysis and achieving long-term high-temperature and near room temperature operation with its high performance;
Can measure components such as H2, O2, N2, CO, CO2, CH4, C2H2, C2H4, C2H6 in mine gas;
• File storage function for ten analysis condition parameters;
The detectors are designed with a modular approach and advanced manufacturing processes, featuring high sensitivity, low noise, and a wide linear range. Different detectors can be configured according to analysis needs;
Five level program heating function;
• Stopwatch function;
Overheating protection function for column boxes and detectors;
Advanced and unique gas path process;
☆ Adopting a three-way six way valve for injection, equipped with TCD, FID, and nickel conversion furnace, thus eliminating mutual interference between each component, resulting in higher sensitivity and accuracy.
The determination of CO, CO2, and hydrocarbons adopts a time-sharing injection method, with dual columns in parallel sharing the FID process, thus avoiding the shortcomings of partial flow injection that results in the lowest detection concentration not meeting the safety requirements of coal mines. At the same time, by controlling the injection time, the total analysis time can be shortened, reducing the workload of analysts.
☆ Built in stainless steel wire mesh filter membrane, thus avoiding the problem of pipeline blockage caused by excessive coal mine gas dust.
Adopting a microcomputer automatic control system, with full Chinese keyboard operation and character display;
A large volume column box with an internal porous structure design ensures uniform air distribution and high temperature control accuracy, ensuring good reproducibility of analysis and achieving long-term high-temperature and near room temperature operation with its high performance;
Can measure components such as H2, O2, N2, CO, CO2, CH4, C2H2, C2H4, C2H6 in mine gas;
• File storage function for ten analysis condition parameters;
The detectors are designed with a modular approach and advanced manufacturing processes, featuring high sensitivity, low noise, and a wide linear range. Different detectors can be configured according to analysis needs;
Five level program heating function;
• Stopwatch function;
Overheating protection function for column boxes and detectors;
Advanced and unique gas path process;
☆ Adopting a three-way six way valve for injection, equipped with TCD, FID, and nickel conversion furnace, thus eliminating mutual interference between each component, resulting in higher sensitivity and accuracy.
The determination of CO, CO2, and hydrocarbons adopts a time-sharing injection method, with dual columns in parallel sharing the FID process, thus avoiding the shortcomings of partial flow injection that results in the lowest detection concentration not meeting the safety requirements of coal mines. At the same time, by controlling the injection time, the total analysis time can be shortened, reducing the workload of analysts.
☆ Built in stainless steel wire mesh filter membrane, thus avoiding the problem of pipeline blockage caused by excessive coal mine gas dust.
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