fixed online toxic and combustilbe gas detectors with display KB-501X
Online Gas Detector KB-501X
Gas detector KB-501X is a new type 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 to humidity-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 toxic 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.
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
-
Cast aluminum housing;
-
Imported sensor;
- < >ntrinsically safety circuit design;
High brightness LED digital display, clear and direct;
-
Three-wire system 4~20mA standard signals output and four -wire RS485
-
Possible to connect to DCS system directly;
-
Two-stage (low/high) alarm double switching value output;
-
The probe has following advantages: high sensitivity, quick-response capacity, long performance life and short polarization time;
-
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 |
| Display | High brightness LED display |
| Working Environment |
Temperature: -20~55℃ Humidity: ≤95%RH (non-condensing) |
| Working Current | ≤50mA |
| Working Voltage | DC 24V |
| Output Signals | three-wire system 4~20mA standard signals output and four -wire RS485 |
| Power Consumption | ＜1 W |
| Alarm Output | Two-way electrical relay tip output (30V 2A) |
| 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 |
| H2 (Hydrogen) | 0-1000 PPM | 50 PPM / 100 PPM |
| O3 (Ozone) | 0-10 PPM | Depending on customer’s request |
| 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 |
| 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 | 3 PPM / 10 PPM |
| 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 | |
| C2H4O | 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.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.