total hydrocarbon/Non methane total hydrocarbon dedicated chromatographic analyzer

total hydrocarbon/The dedicated chromatographic analyzer for non methane total hydrocarbons can meet the detection of organized and unorganized emissions of non methane total hydrocarbons from solid pollution sources and the detection of total hydrocarbons in the environment, and is superior to national environmental protection standards（HJ604-2011）Determination of Total Hydrocarbons in Environmental Air - Gas Chromatography Method（HJ/T38-1999）Determination of Non Methane Total Hydrocarbons in Fixed Source Exhaust Gas by Gas Chromatography Method.

GC-7820The dedicated chromatograph for non methane total hydrocarbon testing is a specialized configuration developed by Beijing Zhongke Huifen Instrument Co., Ltd. The instrument adopts a valve injection method to achieve simultaneous detection of total hydrocarbons and methane content in one injection, and to determine the results of non methane total hydrocarbons in one measurement, which is easy to operate.

Main performance characteristics

Gc-7820The gas chromatograph adopts a unique dual quantitative tube design and can be optionally equipped with automatic control/Manual gas injection valve, dual hydrogen flame ionization detector, dual microcurrent amplifier, dual channel data output, can achieve a one-time injection to complete the total hydrocarbons in the pollution source exhaust gas/The analysis of non methane total hydrocarbons is simple to operate, has good reproducibility, and high accuracy.

Fully computerized keyboard operation, large LCD Chinese display, human-machine dialogue mode, easy to learn operation. New integrated digital circuit, high temperature control accuracy, stable and reliable performance, temperature control accuracy can reach ±0.1℃

The unique injection port design solves injection discrimination, and the dual column compensation function not only solves the baseline drift caused by program temperature rise, but also reduces the influence of background noise, resulting in lower detection limits.

Large volume column box, capable of accommodating two at the same time80mCapillary chromatography column.

Better insulation effect: column box, vaporization, and detection are all300At ℃, the hottest spot on the outer box and top cover is only40Around ℃, increase the experimental speed to ensure the safety of users.

It has functions such as self diagnosis, over temperature power-off protection, file storage and retrieval, and five stage program temperature rise.

Equipped with single column automatic compensation function, it can ensure the stability of the baseline during program temperature analysis.

Equipped with six independent temperature control zones, intelligent rear door opening system, and fast cooling speed; Each gasification chamber, detector, and amplifier

All adopt modular design, making installation and replacement very convenient.

Specification

Temperature control indicators

※ Temperature control area: chromatography column box, sampler, detector, auxiliary device

※ Temperature control range: above room temperature5℃～400℃ (incremental)1℃）

※ Temperature control accuracy: better than ±0.1℃

※ Program heating: fifth order rate0.1℃～40℃/min(Incremental)0.1℃）

Technical Parameter

Sensitivity of hydrogen flame detectorFID：M₁《5×10^-12g/s(HEXADECANE)

Minimum detectable concentration of methane《0.02ul/L