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  • Henan Inte Electrical Equipment
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  • Hi-tech District,Zhengzhou,Henan,China.

Your position:Home> ProductsKQ500 Fixed Gas Detector

Introduce

KQ500 series Fixed gas detector (also called gas sensor or gas transmitter). It can detect various gases such as flammable gas, O2、H2S、CO、HCN、NO2、SO2、NH3、HCL、CL2、H2 etc. Detector works 365 days.
with years of experience in designing and producing detector, we develop our new product with electrochemical sensor. It can be widely used in metallurgy, petrol, petrifaction, chemistry, light industry, coking, municipal administration, gas, pharmacy, sewage dealing and many other special industries and fields.  The device adopts intrinsic safety type channel design, standard 4~20mA two wires signal output. It can transfer data in long distance, can get into the DSC system directly. The detector has high sensitivity, quick response, long lifetime, polarization time and many other characteristics; it is among the first class in similar products in China.

Main features:

l It can detect more kinds of gas. high precision

l Fixed explosion-proof shell; it’s safe and reliable

l Standard 4-20mA electric current output, compatible with existing alarm control unit or DSC (distributed control system).

l Imported sensor, high sensitivity, rapid response, stable and reliable

l operation is simple; easy installation and maintenance

Technical parameters

Detecting Gas combustible gas, toxic gas, oxygen
Working Temperature toxic gas: - 20  ~ + 50  
Combustible gas: - 40  ~ + 70 
Relative Humidity ≤90%.. no condensation
Technical Parameters Working voltage: 1630VDC
Working current: KQ500-EX is 120mA, others ≤50 mA
Output signal: 420mA standard signal two wire type output 
(KQ500-EX three wire type)
Sensor electrochemical sensor; 
catalytic combustion type sensor for KQ500-EX
Respond Time T90<30s
Weight  ≤900g
Fixing Parameters Fixing type: wall-mounted type
Transition cable: two core shield cable 
(KQ500-EX uses three core shield cable),
section 2×1.5mm2, external diameter 10mm
Transmission distance  ≤1000m
Explosion-proof Level Exd IICT6(used for explosion proofing detector)
ExiaIICT4(used for intrinsic safety type detector)
Protection Class IP66

                                                        Product Information Chart

Product Model Detected Gas Measuring Range Resolution Respond 
Time (T90)
Sensor Life
KQ500-EX combustible gas 0-100%LEL 1%LEL ≤30s 3-5years
KQ500-O2 O2 0-30%vol 0.1%vol ≤15s 2-3years
KQ500-CO CO 0-1000ppm 1 ppm ≤15s 2-3years
KQ500-H2S H2S 0-100ppm 1 ppm ≤15s 2-3years
KQ500-HCN HCN 0-20ppm 0.1 ppm ≤30s 2-3years
KQ500-CL2 CL2 0-20ppm 0.1 ppm ≤30s 2-3years
KQ500-O3 O3

0-5ppm

0-100ppm

0.1 ppm

1ppm

≤25s 2-3years
KQ500-NH3 NH3 0-100ppm 1 ppm ≤30s 2-3years
KQ500-H2 H2 0-1000ppm 1 ppm ≤30s 2-3years
KQ500-NO2 NO2 0-20ppm 0.1 ppm ≤25s 2-3years
KQ500-PH3 PH3 0-20ppm 0.1 ppm ≤15s 2-3years
KQ500-C3H3N C3H3N 0-100ppm 1ppm ≤15s 2-3years
KQ500-NO NO 0-250ppm 1ppm ≤25s 2-3years
KQ500-HCL HCL 0-20ppm 0.1ppm ≤25s 2-3years
KQ500-SO2 SO2 0-20ppm 0.1ppm ≤15s 2-3years
As for unlisted detected gas and measuring range, please contact with our company

Related products                                                                                                                          

                 

KQ500D Fixed Gas Detector        KQ500 Gas Alarm System               KQ500N Gas Alarm System

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