GDC-9560B Gas Chromatograph Analyzer is to analyze the gas content of insulation oil by gas chromatographic method. It is effective to judge if the running equipment has potential fault like over-heat, discharge or not, to ensure the safety of power grid. It is also necessary to be used for manufacturer of gas/oil equipment to inspect their equipment before leaving factory.
The gas is considered as carrier gas. When sample gas is sent to sample injector,it will enter into packed column or capillary column by carrier gas. As the boiling point, polarity and adsorption coefficient of each components of sample gas are different, the components will be separate, then the detector behind will detect each components in sequence according to physicochemical characteristic. At last, the chromatographic analyzer will record and analyze the chromatogram of each components and get the results.
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Temperature control range | room temperature 5-400ºC, step 1ºC, accuracy ±0.1ºC. |
Temperature increasing steps | 16 steps |
Increasing speed | 0.1-40ºC/min |
Gas control | Mechanical valve control mode and electronic pressure flow control mode for option. |
External event | 4 channels. |
Sampler type | Packed column, capillary tube, six-way valve gas sampling, automatic headspace sampling for option. |
Detector | FID, TCD, ECD(optional), FPD(optional) |
Start mode | Automatic or manual. |
Communication port | Ethernet, IEEE802.3 |
FID(flame ionization detector)
Detection limit | ≤2×10-11g/s (Hexadecane/isooctane) |
Baseline noise | ≤5×10-14A |
Baseline shift | ≤1×10-13A/30min |
Linear range | ≥ 106 |
TCD(thermal conductivity detector)
Sensitivity | S≥2500mV•ml/mg (benzene/methylbenzene) (enlarge 1,2,4,8 times for option) |
Baseline noise | ≤20μV |
Baseline shift | ≤30μV/30min |
Linear range | ≥104 |
ECD (electron capture detector) optional
Detection limit | 1×10-13g/ml (Hexachlorocyclohexane/isooctane) |
Baseline noise | ≤0.03mV |
Baseline shift | ≤0.2mV/30min |
Linear range | 103 |
Radioactive souce | 63Ni |
FPD (flame photometric detector) optional
Detection limit | (S)≤5×10-11g/s, (P)≤1×10-12g/s(parathion-methyl/ absolute ethyl alcohol) |
Baseline noise | ≤3×10-13A |
Baseline shift | ≤2×10-12A/30min |
Linear range | Sulphur≥102, phosphorus≥10 |
GDC-9560B Gas Chromatograph Analyzer is to analyze the gas content of insulation oil by gas chromatographic method. It is effective to judge if the running equipment has potential fault like over-heat, discharge or not, to ensure the safety of power grid. It is also necessary to be used for manufacturer of gas/oil equipment to inspect their equipment before leaving factory.
The gas is considered as carrier gas. When sample gas is sent to sample injector,it will enter into packed column or capillary column by carrier gas. As the boiling point, polarity and adsorption coefficient of each components of sample gas are different, the components will be separate, then the detector behind will detect each components in sequence according to physicochemical characteristic. At last, the chromatographic analyzer will record and analyze the chromatogram of each components and get the results.
Â
Temperature control range | room temperature 5-400ºC, step 1ºC, accuracy ±0.1ºC. |
Temperature increasing steps | 16 steps |
Increasing speed | 0.1-40ºC/min |
Gas control | Mechanical valve control mode and electronic pressure flow control mode for option. |
External event | 4 channels. |
Sampler type | Packed column, capillary tube, six-way valve gas sampling, automatic headspace sampling for option. |
Detector | FID, TCD, ECD(optional), FPD(optional) |
Start mode | Automatic or manual. |
Communication port | Ethernet, IEEE802.3 |
FID(flame ionization detector)
Detection limit | ≤2×10-11g/s (Hexadecane/isooctane) |
Baseline noise | ≤5×10-14A |
Baseline shift | ≤1×10-13A/30min |
Linear range | ≥ 106 |
TCD(thermal conductivity detector)
Sensitivity | S≥2500mV•ml/mg (benzene/methylbenzene) (enlarge 1,2,4,8 times for option) |
Baseline noise | ≤20μV |
Baseline shift | ≤30μV/30min |
Linear range | ≥104 |
ECD (electron capture detector) optional
Detection limit | 1×10-13g/ml (Hexachlorocyclohexane/isooctane) |
Baseline noise | ≤0.03mV |
Baseline shift | ≤0.2mV/30min |
Linear range | 103 |
Radioactive souce | 63Ni |
FPD (flame photometric detector) optional
Detection limit | (S)≤5×10-11g/s, (P)≤1×10-12g/s(parathion-methyl/ absolute ethyl alcohol) |
Baseline noise | ≤3×10-13A |
Baseline shift | ≤2×10-12A/30min |
Linear range | Sulphur≥102, phosphorus≥10 |
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