Optical interference methane measuring
First, the instrument uses
The application of optical interferometry instrument, accurate measurement of gas concentrations in mine methane, carbon dioxide, etc. can be quickly and.
Second, the instrument of the main technical parameters
1, measuring range: 0-10% CH4; basic error in line with the coal industry MT28-94 ministerial standards, as follows:
Measuring range% CH40-1) 1-4) 4-7) 7-10
Tolerance% CH4 ± 0.05 ± 0.1 ± 0.2 ± 0.3
2, eyepiece group reticle smallest division value: 0.5% CH4.
3 micrometer measuring range:. 0-1% CH4 in the micrometer dial smallest division value 0.02% CH4.
4, the power supply voltage: CJG10 type, DC3V (1 # ordinary zinc-manganese batteries two open circuit voltage ≦ DC3.2V, short-circuit current ≦ 5.6A, disabled
High capacity or nickel-cadmium batteries).
5, lamp rated voltage: CJG10 type, 2.5V
6, the maximum operating current: 1max ≦ 640mA
7, Weight: CJG10 type, about 1.8kg
8. Instrument Dimensions: 225 * 135 * 70 mm (skin box)
9, the environmental conditions: temperature: -20 ℃ -40 ℃ Pressure: 80-110Kpa Humidity: ≦ 96% (+ 25 ℃ when)
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Sales Manager: Hou Guijuan
Sales Hotline: 153765028730537-3151358
Work QQ: 1684599823
MSN E-mail:. Yimeijixiehou @ 163 com
Company Name: Jining one hundred million coal Machinery Equipment Manufacturing Co., Ltd.
Company Address: Electromechanical South Road, High-tech Zone, Jining City,
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