Combustible gas CH4 LPG H2 gas detector/monitor/sensor 0-100%LEL
Product Overview
KQ500D series fixed gas detector can continuousely detect the concentration of toxic gases, flammable gases, Oxygen.
Widely used in metallurgy, petrol, petrifaction, chemistry, light industry, coking, municipal administration, gas, pharmacy, sewage dealing and many other special industries and fields.
Standard 4~20mA two wires signal output. It can transfer data in long distance, can get into the DSC system directly.
Main features
l It can detect various kinds of gases. 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 best sensor, high sensitivity, rapid response, stable and reliable
l operation is simple; easy installation and maintenance
Parameter sheet
Detecting Gas |
Combustible gas |
Working Temperature |
- 20 °C ~ + 50 °C |
Relative Humidity |
≤90%R.H. no condensation |
Technical Parameters |
Working voltage: 16~30VDC |
Working current: KQ500-EX is 120mA, others ≤50 mA |
|
Output signal: 4~20mA 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 |
Measuring range
Product Model |
Detected Gas |
Measuring Range |
Resolution |
Respond Time (T90) |
Sensor service life |
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 |
0.01 ppm |
≤25s |
2-3years |
KQ500-NH3 |
NH3 |
0-200ppm |
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-VOC |
VOC |
(0-1000)PPM, (0-50)PPM |
1PPM 0.1PPM |
≤30s |
3-5years |
KQ500-SO2 |
SO2 |
0-20ppm |
0.1ppm |
≤15s |
2-3years |
KQ500-EX |
combustible gas |
0-100%LEL |
1%LEL |
≤30s |
3-5years |
As for unlisted detected gas and measuring range, please contact with our company |
Installation case
FAQ
Q1. Can it applied to other gases?
A: KQ500 series can detect a wide range of combustible gas, toxic gas, Oxygen.
Q2.What's the minimum order?
A: One piece for quality test is welcome.
Q3. How is the calibration be done?
A: To keep the high sensitivity, please calibrate it at least once a year .
Q4. What about the lead time?
A: We usually deliver the goods in 2-5 working days after the order confirmed.
Q5. Is it OK to print my logo on the gas detector?
A: Yes. Please inform us formally before our production and confirm the design firstly based on our sample.
Q6: Do you offer guarantee for the products?
A: Yes, we offer 1 year warranty to our products.
INTE electrical will provide the most cost effective products for you!