HV HIPOT GDDJ-DGA Transformer Oil Gas Chromatography Online Monitoring System (9 components & H2O)

Environmental temperature: -40℃～+70℃

Environmental humidity: Relative humidity 5-95%(no condensation)

Atmospheric Pressure: 80kPa-110kPa

Power supply: AC 220V±10%, 50Hz

Monitoring components: H2, CO, CO2, CH4, C2H4, C2H2, C2H6, H2O, growth rate and concentration

Analysis and diagnostic function: Analyze and diagnose monitoring data by three-ratio method, David triangle method and cube diagram method. Original spectrogram can be supplied.

Min. Detection cycle: 40-60mins, user-defined, default four times a day.

Sampling mode: Cycling sampling, to reflect real-time situation of inside gas.

Separating mode of oil and gas: Vacuum degassing mode, degassing for three times continuously.

Data storage lifespan: ≥ 10 years

Carrier gas quantity: Self-made carrier gas, not interrupted all year round. No need to replace gas cylinder.

Monitoring gas: H2; CO; CH4; C2H4; C2H6; C2H2; CO2

Measuring range: 2- 2000 ppm; 5- 20000 ppm; 0.2- 2000 ppm; 0.2- 2000 ppm; 0.2- 2000 ppm; 0.2- 2000 ppm; 25- 20000 ppm

Min. detection: 1 ppm; 5 ppm; 0.2 ppm; 0.2 ppm; 0.2 ppm; 0.2 ppm; 25 ppm

Error: ±10%; ±10%; ±10%; ±10%; ±10%; ±10%; ±10%

H2O: Measuring range: 1 - 800 ppm

Oil temperature: -40℃~200℃

Total air quantity: 0.2-15%

Total hydrocarbon: 1 - 8000 ppm

Stability (measurement error): At the same testing condition, error is no more than 10% for the same oil sample. (medium concentration)

IP class: IP66

Use conditions 

Altitude: ≤3000m

Ambient temperature: -10℃~+45℃(indoors); -40℃~+70℃(outdoors)

Max. daily temperature difference: 25℃

Max. relative humidity: 95% (daily average); 90% (monthly average)

Air pressure: 86kPa~106kPa

Anti-shock ability: Horizontal acceleration 0.30g; vertical acceleration 0.15g

Installation environment: Indoor installation. The room shall be equipped with air-conditioner, no shielding, without anti-static measures.

Rated parameters

Rated power supply (AC): 220V/100V, permissible error ±20% (harmonics), total voltage distortion rate ≤8%.

Rated power supply (DC): 220V/110V, permissible variation range ±20%.

Rated AC voltage: 57.7V/100V/220V, overload capacity is 1.2times of rated voltage, peak coefficient ≥2.

Rated AC current: 1A/5A, overload capacity is 1.2 times of rated current, continuously working, peak coefficient ≥3.

Rated frequency: 50Hz, permissible error -5%~+5%.