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Ships within 48 hours · Estimated delivery Jul 20 - Jul 25
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Description
The Second Generation Methane Gas Detection And Alarm Instrument Measuring Range Of 0-4.0% Methane Ch4 Gas DetectorShips FREE Handling Day: 1 3 Days, Arriving Day: 15 35 Days[SHORTDESCRIPTION]Packing List Place of applicationUnderground coal minemetallurgycokingPetrochemical and chemical industryMunicipal AdministrationGasenvironmental monitoringOn site detection in tunnel operation and other placesIt can be used with a series of external suction pumps to measure the gas concentration in the tunnel or in the place where people can reach Product point Including
Ships FREE Handling Day: 1-3 Days, Arriving Day: 15-35 Days[SHORTDESCRIPTION]Packing List
Product point
Including single chip computer
Sensor failure alarm
sound、light、Vibration、lightAnd other alarm modes
High protection for harsh environment
Large screen highlightLEDChinese character display mode
Charging continuous working time is longer than15hour
With sensor automatic protection function
With time display and setting function
With battery voltage indication function
Optional large multi group charging rack
Optional portable instrument calibration device
Optional external suction pump series accessories
Basic specifications
Instrument model |
JCB4 |
Measuring gas |
methane（CH4） |
measuring range |
0~4.00%CH4 |
measurement accuracy |
0~1.00%CH4 ±0.1%CH4 1.00~3.00%CH4 ±True value10% 3.00~4.00%CH4 ±0.3%CH4 |
Factory alarm point setting |
CH4：1.00%CH4 |
The other detailed indexes are shown in the general technical specifications of the second series of single type gas detectors | |
General knowledge of gas measurement：
methaneIt's color、taste、Combustible gas。methaneWhat is the weight ratio to air0.54，It's about half lighter than air。methaneThe solubility is very small， stay20℃、0.1KPa hour，100Unit volume of water，It can only dissolve3A unit of volumemethane。meanwhilemethaneBurning produces a bright blue flame，baoLower explosive limit%(V/V)：5.3，baoExplosion limit%(V/V)：15。
Shipping Notes
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Exchange/Return Notes
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