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GC 7890 Transformer Oil test Equipment

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  • 商品說明

The gas chromatograph in transformer oil adopts a three-detector process of single injection, double-column parallel, with TCD detector and two FID detectors, in which H2 and O2 are detected by TCD. Hydrocarbon gases (methane, ethylene, ethane, acetylene) are detected by FID1, and CO and CO2 are detected by FID2, overcoming the influence of CO and CO2 on hydrocarbon gases, especially the influence of acetylene, and the detection limit of acetylene can reach 0.05ppm.

Flow chart:
Other attributes
Customized support
OEM
Place of Origin
Anhui, China
Brand Name
Gootrol
Model Number
GC 7890
Operation display
7-inch touchscreen display
Temperature range
Above room temperature 8 ℃ ~ 450 ℃
Accuracy
± 0.1 ℃
Incremental
1 ℃
Cheng Sheng Rate
0.1~40℃/min
Number Of Detector
3; double FID, TCD
Temperature control area
10 channels for temperature control
Hydrogen Flame Ionization Detector (FID)
Detection limit
Mt<5x10-12g/s
Noise
≤5x10-14A
Baseline drift
≤1x10-13A/30min
Linear range
≥106
Ignition mode
automatic ignition
Thermal Conductivity Detector (TCD):
Sensitivity :
S≥3500mv·ml/mg(conventional)
5000mV·ml/mg(highly sensitive)(benzene-toluene solution)
Noise
≤0.01mv
Baseline drift
≤0.03mv/30min
Linear range
≥104


Copyright @ 2025 Hefei Guochuang Analytical Instrument Co., Ltd All rights reserved.


Tel:0551-64324137      E-mail:Gootrol@gootrol-inst.com  


URL:www.qcaoyuanjian.com.cn


Address:Building A, Xinda Ginkgo Plaza, No. 88 Science Avenue, High tech Zone, Hefei City


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