HD-CHN800 automatic element analyzer

HD-CHN800 automatic element analyzer

1、 Scope of application

It is used to measure the carbon, hydrogen and nitrogen content of coal, coke, petroleum and other substances in industries such as power, coal, metallurgy, petrochemical, coal chemical, environmental protection, cement, paper making, geological exploration, scientific research institutes, etc.

2、 Technical parameters

1. Measuring range: carbon (0.02%~100.00%) hydrogen (0.02%~50%) nitrogen (0.01%~50%)

2. Repeatability: carbon (Cad ≤ 0.5%), hydrogen (Had ≤ 0.15%), nitrogen (Nad ≤ 0.1%)

3. Combustion supporting gas: oxygen purity: ≥ 99.5% pressure: ≥ 1MPa

Carrier gas: helium purity: ≥ 99.99% Pressure: ≥ 1MPa

Drive gas: nitrogen/dry compressed air pressure: ≥ 1MPa

4. Temperature control accuracy: 2 ℃

5. Number of samples: 34

6. Sample weight: 80-120mg

7. Relative humidity: ≤ 85%

8. Test time: about 300 seconds/piece

9. Accuracy: in accordance with GB/T 476-2008 Method for Determination of Carbon and Hydrogen in Coal

GB/T 19227-2003 Determination of Nitrogen in Coal and Coke

10. Power supply: 220V ± 22V, 50HZ ± 1Hz, power ≤ 3.5kW.

3、 Instrument features

1. The instrument uses infrared spectrum absorption method to measure carbon and hydrogen, and thermal conductivity method to measure nitrogen.

2. After setting out, the rest of the process is completed automatically without manual intervention.

3. It has the function of automatic detection of gas leakage.

4. With the balance online function, the weighing results can be automatically transmitted and networked.

5. The furnace reagent and crucible can be replaced conveniently and quickly.