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Your position:Home> ProductsKQ500D Fixed Gas Detector

Introduce

KQ500D series fixed gas detector is also called gas sensor.It transforms the gas density in the operating site into standard electric current signal(4-20mA). With LED display, detector's sensor can be changed and reused as soon as it is connected to electricity.

KQ500D detector has excellent performance, stable operation, easy maintenance. detector can detect various gas, it meet various requirements in the operation site; it has been widely used in petrol, chemistry, metallurgy, artifice, gas transportation, biological medicine and water procession etc.


Main features:

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

l LED site display that is suitable for factory

l Standard three buttons: so an individual can operate the detector on site.

l Automatic identify and display the sensor failures, output the corresponded current signal at the same time.

l The key operation needs to input password to prevent wrong operation。

l Simple calibration function; reducing measuring error

l Two levels' light alarm,relay output (connected with audible & visual alarm outside or start exhaust system)

Technical parameters

Detecting Gas combustible gas, toxic gas, oxygen
Measuring Range see the chart
Working Voltage 24VDC±15%
Signal output 4~20mA linear current output;
Deviation ≤± 3% F.S
Respond Time T90 < 30 s 
Recovering time  30 s
Display model LED display
Working Temperature toxic gas: - 20  ~ + 50   
Combustible gas: - 40  ~ + 70 
Working Humidity 10-95% R。H。(no condensation)
Explosion-proof level Exd IICT6(used for explosion proofing detector)
ExiaIICT4(used for intrinsic safety type detector)
Protection Class IP66
Transition cable three core shield cable RVVP 3×1.5mm2; 4×1。5mm2 
Transmission distance ≤1000m
Weight about 1.5kg


                                  Product Information Chart

Product Model Detected Gas Measuring Range  Resolution 

Respond 

Time (T90)

Low Alarm High Alarm
KQ500D-EX combustible gas 0-100%LEL 1%LEL ≤30s 20%LEL 50%LEL
KQ500D-O2 O2 030%vol 0.1%vol ≤15s 18.5%vol 23%vol
KQ500D-CO CO 01000ppm 1 ppm ≤15s 50ppm 150ppm
KQ500D-H2S H2S 0100ppm 1 ppm ≤15s 10ppm 15ppm
KQ500D-HCN HCN 020ppm 0.1ppm ≤30s 5ppm 10ppm
KQ500D-CL2 CL2 020ppm 0.1 ppm ≤30s 2ppm 5ppm
KQ500D-O3 O3

05ppm

0-100ppm

0.1 ppm

1ppm

≤25s 0.1ppm 0.5ppm
KQ500D-NH3 NH3 0100ppm 1 ppm ≤30s 25ppm 50ppm
KQ500D-H2 H2 01000ppm 1 ppm ≤30s 50ppm 200ppm
KQ500D-NO2 NO2 020ppm 0.1 ppm ≤25s 2ppm 5ppm
KQ500D-PH3 PH3 0-20ppm 0.1 ppm ≤15s 1ppm 3ppm
KQ500D-C3H3N C3H3N 0-100ppm 1ppm ≤30s 5ppm 15ppm
KQ500D-NO NO 0-250ppm 1ppm ≤25s 35ppm 50ppm
KQ500D-HCL HCL 0-20ppm 1ppm ≤25s 3ppm 5ppm
KQ500D-SO2 SO2 020ppm 0.1ppm ≤15s 2ppm 5ppm
KQ500D-CO2 CO2

0-5000ppm

千禧彩票注册 0-5.00%vol

1ppm

0.01%vol

≤30 s

1000ppm

1。00%vol

2000ppm

2。00%vol

As for unlisted detected gas and measuring range, please contact with our company 


 

Related products                                                                                                                             


                   

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

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