Shanghai Chuanhao Instrument Co., Ltd
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    No. 28, Lane 5600, Humin Road, Minhang District, Shanghai
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GS-300B portable gas analyzer
1、 Main features: 1. GS-300B natural gas analyzer has high electronic circuit integration, good reliability, simple operation, ensuring stable and rel
Product details

1、 Main features

1. The electronic circuit integration of GS-300B natural gas analyzer is high, reliable, easy to operate, ensuring stable and reliable instrument quality. It can operate continuously for a long time, which not only guarantees the work

Efficiency and cost savings in maintenance, automatic memory of operating parameters, no need to reset when starting up.

2. The gas path system of the GS-300 natural gas analyzer adopts a high-precision valve structure, which greatly improves the stability of the instrument's gas flow rate and achieves good reproducibility of analysis results.

3. The GS-300 natural gas analyzer can analyze nitrogen, carbon dioxide, methane, ethane, propane, isobutane, n-butane, isopentane, n-pentane in natural gas C6+、 Hydrogen sulfide (optional)

Wait for the content of each component. Content range: 0.01%~100%. And it can display natural gas calorific value, white number, density, gasification rate, etc. The error is within 1%.

4Can analyze liquefied natural gas (LNG), compressed natural gas (CNG), pipeline natural gas, etc.


2、 Analysis instrument configuration

1. Analyzer host: Thermal conductivity detector (TCD), built-in hydrogen generator, computer;

2. Specialized Workstation Kit

3. Gas sampler

4. Chromatography column: 1 set of natural gas specific chromatography column

5. Sampling bag 2L

6. Common tools


This configuration meets Guo's home standards:

GB/T-13610-2020 Composition analysis of natural gas - Gas chromatography method

GB17820-2018 Natural Gas

GB/T11062-2014 Calculation of natural gas calorific value, density, and relative density

GB/T22723-2008 Determination of Natural Gas Energy

GB 18047-2017 Compressed Natural Gas for Vehicles



3、 Parameters of natural gas analyzer

1. Sensitivity: S ≥ 4000mv.ml/mg

2. Testing items: nitrogen, carbon dioxide, methane, ethane, propane, isobutane, n-butane, isopentane, n-pentane, low calorific value, high calorific value, density, gasification rate

3. Heating value detection range 0~20000kcal/m3

4. Noise: ≤ 0.01mv

5. Drift: ≤ 0.02mv/H

6. Temperature control range: 0~399 ℃

Temperature control accuracy: better than ± 0.1 ℃

Temperature gradient: ≤ 1%

Heating rate: 0-40 ℃/min

7. Hydrogen flow rate: 0-300ml/min

Hydrogen pressure: 0-0.4Mpa

Hydrogen purity: 99.999%

8. Working mode: dual channel simultaneous operation

9. Sampling method: airbag sampling or online use

10. Injection method: automatic

11. Number of digits: 24 digits

12. Sampling period: 60 times/second

13. Zui small resolution: 0.001mv

14. Integral sensitivity: 0.001mV.S

15. Dynamic range: 107

16. Analysis time: 7 minutes

17. Zui High Power: 500W

18. Power supply: AC 220V

19. Instrument size: 400 * 210 * 380

20. Instrument weight: 12KG


4、 After sales service commitment 

1. Warranty period: The instrument is covered by a one-year warranty and requires personal maintenance.

2.7 * 24 telephone guidance service, professional technical service engineers can be dispatched to the site within 48 hours to troubleshoot.

3. If there is a software upgrade for the same series of instruments, our company will provide free upgrade services for users.

4. Provide free training to users on the use, maintenance, and upkeep of the instrument until they are proficient in operating it independently.


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