Harbin East Alarm Equipment Development Co., Ltd.
Main products:Alarm,Gas Analyzer,Gas Detector 200A8-XF1,Gas Detector 200A9,Gas Detector 200A9-FS
Contact Us
  • Contact Person : Ms. Gui Teresa
  • Company Name : Harbin East Alarm Equipment Development Co., Ltd.
  • Tel : 86-451-82380878
  • Fax : 86-451-82380879
  • Address : Heilongjiang,Harbin,No.119, Fushui Road, Nangang District
  • Country/Region : China
  • Zip : 150090

Online Explosion-proof multi-gas pipe detector for oil & gas industrial & hazardous warning

Online Explosion-proof multi-gas pipe detector for oil & gas industrial & hazardous warning
Product Detailed
Multi-gas detector & imported sensor 120dB sound & 3+2 LED display 4-20mA/RS485 available Patent technique Worldwide unique

Online explosion-proof multi gas pipe analyzer for oil & gas industry hazardous warning  GQB-200A10/D

Performance and characteristics

1 test two different gases simultaneously

2 in the same domestic industry have no this technology application

3 4-20mA, Rs485 main line system (optional)

4 120dB explosion-proof sound-light alarm

5 high brightness LED can be instructed in ten metres away

6 the original imported sensor

7 stainless steel shell

 Rs485, 4-20mA double output can access any field devices Calibrating wihtout open cover and makes operation more convenient.


1.Two patents of practical new technique.

2.two patents of appearance technique.

3.fire control type approval of the ministry of public security.

4.National explosion-proof electric inspection.

Characteristic of sensor

1.plug and play any time

2. High concentrations protection (applies only to catalytic sensor)

3. High precision & wide range hardware VGA (variable gain amplifier) avoids the sensitivity decrease brought only by software amplification.

4. Each probe contains a extra temperature sensor to compensate the impacts to gas sensor by temperature.

5. Artificial intelligence compensation technology makes reading more smooth and stable.

6. Sensor lifetime system from the viewpoint of sensor helps the user know whether the sensor need to replace or not.

7. Double output of current completely satisfy the requirements of Dual-use machine.

The compound gas transmitter of GQB-200A10 is applied for semiconductor, catalytic combustion, electrochemistry, nondispersive infrared and PID sensors and can be used between any two kinds of the above sensors. It’s the first choice of exceeding the imported products and complex gas ambients.

Attention: GQB-200G10 cannot be applied for two catalytic combustion sensors working at the same time.

Technical parameters

Type of sensor

Catalytic combustion sensor

seiicIonductor sensor

Electrochemical sensor

PID sensor

IR sensor

Operating current


Working voltage


Signal outputs

4-20mA, RS-485(optional)


3+2 LED display

3-color LED lights

Relay output

AC220V/5A or DC24V/5A

Detection gas

Combustible gas

Combustible and toxic gas

Toxic gas


Combustible & CO2

Detection range








Alarm concentration








Detection precision






Zero drift


Lifetime of detector






Allowable application areas

Hazardous location zone I&II

Alarm of sound & light

120dB red color alarm

Ambient condition

Outdoor usage

Relative humidity

10~95%RH(No condensation)

Atm press


Operation temperature






Storage temperature






Transmission cable

Three-core shielding line for 4-20mA;       four-core shielding line for RS485                     Wire diamete 1~1. 5 mm2

Transmission range

4-20mA≤2Km; RS485≤1.2Km

Electric connector

M20*1.5(cast aluminium); 

Explosion-proof grade



4.8kg (cast aluminium);   

Protection grade

IP65 standard  (IP66,IP67 optional)

Online Explosion-proof multi-gas pipe detector for oil & gas industrial & hazardous warning

Copyright Notice @ 2008-2012 ECVERY Limited and/or its subsidiaries and licensors. All rights reserved.