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Gas Detector KB-501X
Product model：KB-501X
Gas detector KB-501X is a new type toxic gas detector which used advanced electrochemical sensor,catalytic combustion sensor,infrared sensor and microcontroller, employed sophisticated SMD technology. It has following advantages: good repeatability，high resistance tohumidity-temperature jamming, long performance life and simple operation. It is applied to inspection for gas concentration in industrial environments.
KB-501X can translate the appointed gas concentration signals into digital signals display. Three-wire system 4~20mA electric current signals output, with long-distance transmission and high anti-interference capacity. In addition, it has two-stage alarm function .
Common applications is gas safety inspection and alert for industrial scene, such as petroleum refinery, chemical plants, LPG stations, boiler rooms, gas stations, paint spray booths, etc.
Features
1、Cast aluminum housing;
2、Imported sensor;
3、Intrinsically safety circuit design;
4、High brightness LED digital display, clear and direct;
5、Timely alert with acoustic and light alarm signals;
6、Three-wire system 4~20mA standard signals output and four -wire RS485
7、Possible to connect to DCS system directly;
8、The probe has following advantages: high sensitivity, quick-response capacity, long performance life and short polarization time.
9、With a manual controller (optional units) used for adjustment of parameter;
10、Function of infrared remote control operation (remote-control is optional units).
Gas Parameter list
Applicable gas
Detecting Range
Alarm Threshold (Two-stage)
Low / High
NH3 (Ammonia)
0-100 PPM
25 PPM / 50 PPM
Cl2 (Chlorine)
0-50 PPM
0.5 PPM / 1.0 PPM
CH4O(methyl alcohol)
0-100PPM
Depending on customer’s request
H2 (Hydrogen)
0-1000 PPM
50 PPM / 100 PPM
CH20 (Formaldehyde)
0-10 PPM
Depending on customer’s request
H2S (Hydrogen Sulfide)
0-100 PPM
10 PPM / 20 PPM
HCl (Chlorine Hydride)
0-30 PPM
5 PPM / 10 PPM
O3(ozone)
0-20ppm
3.0 PPM / 5.0 PPM
HCN (Hydrocyanic Acid)
0-50 PPM
5 PPM / 10 PPM
PH3 (Phosphine)
0-20 PPM
0.3 PPM / 0.6 PPM
HF (Fluorine Hydride)
0-10 PPM
3 PPM / 10 PPM
AsH3 (Arsine)
0-1 PPM
Depending on customer’s request
CO (Carbon Monoxide)
0-500 PPM & 2000 PPM
35 PPM / 70 PPM
S02 (Sulfur Dioxide)
0-20 PPM
2 PPM / 4 PPM
ClO2 (Chlorine Dioxide)
0-50 PPM
0.3 PPM / 0.5 PPM
NO2 (Nitrogen Dioxide)
0-20 PPM
1.0 PPM / 2.0 PPM
CO2(infrared sensor)
0-20%VOL or 0-5000ppm
1.0%VOL/3.0%VOL 800ppm/1500ppm
C2H4O (Ethylene Oxide)
0-100 PPM
1 PPM / 10 PPM
NO (Nitrogen Monoxide)
0-250 PPM
25 PPM / 50 PPM
Combustible Gas Parameter List
Gas
Detecting Range
Alarm Threshold
Sensor Type
CH4
0-100%LEL
25%LEL / 50%LEL
Catalytic combustion sensor
C3H8
0-100%LEL
25%LEL / 50%LEL
H2
0-100%LEL
25%LEL / 50%LEL
NH3
0-100%LEL
25%LEL / 50%LEL
CH4O
0-100%LEL
25%LEL / 50%LEL
CH3CH3
0-100%LEL
25%LEL / 50%LEL
C2H4
0-100%LEL
25%LEL / 50%LEL
C4H10
0-100%LEL
25%LEL / 50%LEL
C4H8
0-100%LEL
25%LEL / 50%LEL
C7H8
0-100%LEL
25%LEL / 50%LEL
C2H7N
0-100%LEL
25%LEL / 50%LEL
C8H10
0-100%LEL
25%LEL / 50%LEL
C9H12
0-100%LEL
25%LEL / 50%LEL
C2H6O
0-100%LEL
25%LEL / 50%LEL
C3H4O
0-100%LEL
25%LEL / 50%LEL
C2H3Cl
0-100%LEL
25%LEL / 50%LEL
C2H7N
0-100%LEL
25%LEL / 50%LEL
C3H9N
0-100%LEL
25%LEL / 50%LEL
CH3Br
0-100%LEL
25%LEL / 50%LEL
Remark: The alarm threshold value can be adjusted based on customer’s request.
Some gas types are not listed. If any request, please contact the manufacturer.
Technical Specifications
Applicable Gas
Refer to the gas parameter list
Detecting Range
Refer to the gas parameter list
Alarm Threshold
Refer to the gas parameter list
Working Environment
Temperature: -20~55℃
Humidity: ≤95%RH (non-condensing)
Working Current
≤50mA
Working Voltage
16~30V DC
Power Consumption
＜1 W
Display
High brightness LED digital display
Output Signals
Three-wire system 4~20mA standard signals output and four -wireRS485
Alarm Signal
Acoustic and visual signals alert
Installation Means
Wall mounted
Transmission Distance
≤1000m
Explosion-proof Type
Explosion insulating
Explosion-proof Index
Ex d IIC T6
Protection Grade
IP65
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