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).
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 |
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.
