Arc Infrared Carbon and Sulfur Analyzer

1. Instrument composition and technical parameters of each part

Equipment name: HW2000D arc infrared carbon sulfur analyzer

2. application of Equipment purpose

 Measure the carbon and sulfur content in solid substances such as carbon steel, alloy steel, stainless steel, etc.

Quantity: One

3. The instrument consists mainly of four parts

Arc combustion furnace

Infrared part

Electronic balance

Computer part

4. Environmental requirements

Ambient temperature: 15-30℃

Ambient humidity: ≤80% (relative humidity)

Voltage: 220V, ±5%

5. Technical parameter requirements

5.1  Measurement of elements: carbon and sulfur combined  measurement

5.2 Analysis methods and requirements: arc induction heating furnace method, infrared absorption method detection, analysis time can be adjusted in 20-60 seconds, generally in 35 seconds, the standard sample weight is 0.5 grams, and the sample weight range is 0.1000-1.0000 grams.

5.3 Analysis range: C: 0.0001%—10.000% S: 0.0001%—2.000%

5.4 Analytical accuracy (reproducibility): C: RSD ≤0.5%, S: RSD ≤1.0%

5.5 Sensitivity (minimum reading): C/S (reading accuracy): 0.1ppm

5.6 Analysis error: better than GB223.69-08, GB223.68-97 national standards

5.7 Electric arc furnace power: ≥1.0KW

5.8 Electronic balance: Accuracy 0.1mg

5.9 Working cycle: 24 hours continuous operation

6. Arc combustion furnace

6.1 Heating method: Arc combustion induction heating method with combustion control function

6.2 Copper crucible is used

7. Infrared detection system

7.1 The core component infrared detection pool uses high-efficiency and long-life precious metal micro infrared light source and metal reflector

7.2 The modulation system uses a high-precision stepper motor controlled by a microcontroller

7.3 High-precision infrared pyroelectric detector

7.4 Narrowband filter, high-precision sampling card

8. Gas circuit system

The gas circuit system is stable and reliable, with accurate flow control and good sealing.

9. Computer system

9.1 Branded computer: 500GB hard disk; 1G memory; 19-inch color LCD displayer

9.2 Application software that supports Windows XP Chinese operating system

10. Analysis software

10.1 operating interface of operation software in Chinese language, standard configuration of report function (included by the instrument software), 10 carbon and sulfur lines of analysis channels, and you can edit it by yourself. More flexible analysis methods

10.2 Calibration: 1 point or multi-point correction can print the correction coefficient and correction curve, delete the correction data function, and the analysis results can be transferred to the correction function. The analysis results can be  stored automatically, displayed in a timely manner, and printed in real time.

10.3 It can display the gas analytical circuit, and realize leakage detection and self-diagnosis functions such as machinery, signals, and output in the gas analytical circuit. It can alarm in time when abnormal conditions are encountered.

10.4 Data processing function: Analytical data statistics processing: The average value, standard deviation, relative standard deviation, etc. can continuously select the data. The analysis data can be transmitted online in a timely manner. The analysis results can be converted into an analysis report at any time. The data output is equipped with an RS-232C interface, which can transmit the analysis data to a network computer.

11. For details of spare parts,  and consumables, please refer to the list.

12. Acceptance inspection stability (analysis accuracy) and accuracy (linear ratio)

12.1 The accuracy test uses  configured standard samples randomly, and conducts 10 continuous analysis immediately after the instrument calibration. The analysis data (1-2 outliers are allowed to be eliminated) calculates the standard deviations of C and S 10 times respectively, and verify the accuracy of their analysis values to meet the above-mentioned solid standard samples analysis accuracy requirements.

12.2 The linear ratio is selected for analysis of three standard samples, high, medium and low, and the linearity is good.