|Port:||Tianjin, Qingdao, Shanghai, HK etc.|
|Payment Terms:||L/C,D/P,T/T,Western Union,MoneyGram,PayPal|
|Supply Ability:||3000 Piece/Pieces per Month|
|working temperature:||-20~60 degree|
|Detected way:||Natural diffusion|
|Usage:||gas concentration detector|
|Warranty:||Free calibration and free warranty within a year|
|Place of Origin:||Henan China|
|Ex-proof grade:||Ex dIICT6 GB|
|Output signal:||4-20mA or RS485|
|Size of external carton:||27*23*13cm|
|Sensor:||Catalytic combustion or electro-chemical sensor|
|Delivery Detail:||1-3 working days|
|Packaging Detail:||Size of packaging box is: 21.5*17*10cm. Net weight is 1.6 kg/pc. Gross weight is 2.0kg/pc.|
Coal mine security inspection CO/CH4/CO2/O2 Gas concentration real time monitor/detector
Note: QB2000N is with the digital display screen but QB2000T is without the digital display screen. The visual and audible alarm is optional.
Combustible gas, toxic gas and oxygen
See the attached chart
4~20mA standard signal (RS485 output optional)
Mounting screw thread
M20*1.5 or G1/2
Power supply to the detector terminals
> 85dB the higher of buzz frequency, the higher gas concentration is
Ex d IICT6Gb
Packaging & shipping:
Sample order in stock and 3-7 working days for bulk production.
You can pay for the order via T/T, Western Union, PayPal & Money Gram.
We have strong cooperation with DHL, TNT, UPS, FEDEX, EMS, CHINA AIR POST.
You also can choose your own shipping forwarder.
Upon the gas detected weight compared with the air under the same condition of temperature and pressure, if its weight is lighter than the air, e.g. CH4, the position should be 2m—3.5m higher than the gas leakage source; While if its weight is heavier than the air, the position is 0.36—0.6m higher than the ground.
Henan Chicheng Electric Co., Ltd is a ISO9001-2000 certified high-tech import and export company and also the government permitted gas detecting device manufacture with Measurement of production License (MC), The explosion-proof certificate (EX) and Fire type certificate (CNAS) approved, we are in in the research and marketing a range of portable and fixed gas detection products, industrial process automation control, safety protection and analytical instrument and we are in Zhengzhou Henan China.
Your questions will be highly appreciated, please feel free to contact us.
Thank you for visiting~~