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Transformer Oil Gas Chromatograph

Transformer Oil Gas Chromatograph

Type: ZC-215
      Separation and determination of dissolved gases in insulating oil group by gas chromatography is the power supply enterprise to judge the oil filled power equipment in the operation of the existence of potential overheating, discharge of the fault, in order to ensure the effective operation of the power grid safety. Oil filled electrical equipment manufacturers is the necessary means for the factory inspection of the equipment.     
      Our company is a special transformer oil chromatograph launched a dedicated power special insulating gas oil dissolved gas component content determination of chromatograph instrument adopts advanced process with three detector, TCD detector and two FID detector, one injection, 7 minutes to complete the analysis of 7 kinds of gases dissolved in insulating oil the component content. The H2 was detected by TCD; hydrocarbon gases (CH4, C2H4, C2H6, C2H2) was detected by FID1, CO, CO2 by FID2 detection, to overcome the influence of a large number of CO and CO2 on hydrocarbon gas, especially the effect of C2H2, shorten the detection time and improve detection sensitivity.
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Product Features
1 :  To achieve real-time computer control and data processing:
Instrument with digital interface, realize real-time data signal acquisition, data processing and test results on the computer through a communication line. Instruments and computers connected to the Internet can be connected by remote computers and instruments to realize remote data acquisition and management. The degree of freedom of the device is improved, and the effective application of the laboratory is promoted.
Through humanized software interface, greatly facilitate the user set including various temperature; intuitive operation including FID (first ignition has been changed fully automatically, without manual operation), open and close the switch bridge flow, temperature control, and each time events etc.;
2:  High precision, stable and reliable temperature control system:
Main control circuit adopts the advanced microprocessor, large memory, the data storage is more reliable; the integration of measurement, control, and design of circuit board improves the anti-interference and reliability of the instrument; the temperature control circuit of the microprocessor, the heating zone temperature controlled object accuracy reached 0.1 degree;
The column case has over temperature protection. Any way the temperature exceeds the set extremely difficult, the instrument will stop heating, and on the display to report the location of the fault;
3 : Compact man-machine interface
² Instrument adopts large screen LCD liquid crystal display English characters, visual display, convenient operation;
² Self diagnosis function, can display the fault location;
² Data power-off protection function, the instrument operation data set can be preserved for a long time in power;
 
4: Double stable high precision gas path control system.
² The gas path system stability dual carrier gas lines by stabilizing the current.
² Flow regulating valve with knob adjustment, intuitive, good reliability.
² Each pressure is displayed on the pressure gauge.
5: The column chamber adopts the method of following heating up.
6: The instrument detects low content hydrocarbons and high levels of CO and CO2 can be detected separately to avoid mutual interference.
 
7: Hydrogen flame ionization detector (FID):
² Cylindrical collector structure design, metal nozzle, high response
² The detection limit is less than:  2 * 10-12g / S (sixteen n / isooctane)
² Baseline noise less than:  2 * 10-13A
² Baseline drift is less than:  2 * 10-12A/30min
² Linear: ≥106
² Automatic ignition mode
² Stable time: 10 minutes
 
8Thermal conductivity detector (TCD):
² By semi diffusion structure
² The constant current control mode power
² Sensitivity: ≥5000mV.ml/mg.
² Baseline noise: ≤10μV.
² Baseline drift:≤100μV/30min。
² Linear :≧105
 
9: Large screen LCD display:
² Clearly show the various temperature setting value, measured value and protection value
² Real-time display instruments
² Touch type keyboard, menu operation, automatic ignition

Parameter
Operation display 192×64 dot matrix Chinese LCD
Temperature control area 6 way
Temperature control range Room temperature +5 ° C ~ 400 ° C, increment: 1 ° C, accuracy: ± 0.1 ° C
Temperature programmed order 16th order
Baseline noise ≤20μV

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