Otywell | Gas Detector Manufacturer
Description
This product integrates high-performance gas-sensitive components and microcontroller technology with precision SMD manufacturing, delivering outstanding repeatability, reliable temperature/humidity performance, strong anti-interference capability, extended service life, and user-friendly operation. Designed for gas concentration and leakage detection, it converts ambient gas concentration signals into electrical signals. The output supports three-wire (4-20) mA current signals, RS485 four-wire bus signals, or two-wire configurations, featuring long-distance transmission and simplified wiring requirements.
This product is designed for gas safety detection, alarm, and control in environments containing gases, including gas pipelines, municipal utility tunnels, research institutions, hospitals, and schools. It is suitable for hazardous areas with explosive flammable gases classified as Grade II A to II C and temperature ranges of T1 to T6.
Technical Parameters
- Detection Method: Natural Diffusion / Pump Suction
- Detection Principle: Catalytic Combustion, Electrochemical, Semiconductor, Infrared, Laser, etc.
- Accuracy Class: ±3%FS (Combustible Gas / Oxygen); ±5%FS (Toxic Gas)
- Low Alarm Threshold: 20%LEL (Combustible Gas)
- High Alarm Threshold: 50%LEL (Combustible Gas)
- Response Time T90: ≤30 s (Combustible Gas, subject to gas type)
- Ambient Temperature: -40℃ ~ +70℃ (Digital Combustible Gas Detector); -25℃ ~ +55℃ (Toxic Gas / LCD Combustible Gas Detector)
- Relative Humidity: 20 ~ 93% RH (Non-condensing)
- Operating Voltage: DC24V / AC220V
- Display Mode: LCD Display / Digital Tube Display
- Output Signal: 3-wire 4~20mA, 4-bus RS485, 2-bus MBUS output, etc.; Optional LoRa / NB-IoT / 4G wireless data upload function
- Pressure Range: 86 kPa ~ 106 kPa
- Explosion-proof Certificate No.: CCRI 25.1414X
- Explosion-proof Mark: Ex db ⅡC T6 Gb / Ex tb ⅢC T80℃ Db
- Ingress Protection Rating: IP66
- Product Weight: ≤1100g
- Product Dimension: L 150 mm × W 140 mm × H 73 mm
TAG: otywell gas detector ，Fixed gas detector multi gas detector ，Fixed 4 Gas detector
E-mail:inquiry@otywell-safety.com
Mobile/WhatsAPP:+8616692113216
Note: Not all gases and range are listed, if you need more information, please contact us.
| Gas | Measuring range | Optional range | Resolution | Response time |
| EX | 0-100%LEL | 0-100%VOL (infrared) | 1%LEL/1%VOL | ≤15second |
| O2 | 0-30%VOL | 0-30%、0-100%VOL | 0.1%/0.01%VOL | ≤15second |
| H2S | 0-100PPM | 0-50、200、1000PPM | 0.1/1PPM | ≤15second |
| CO | 0-1000PPM | 0-500/2000/5000PPM | 0.1/1PPM | ≤15second |
| NO2 | 0-20PPM | 0-50、1000PPM | 0.1/1PPM | ≤20second |
| Natural gas | 0-100%LEL | 0-100%VOL | 1%LEL/1%VOL | ≤15second |
| NOX | 0-20PPM | 0-50、1000PPM | 0.1/1PPM | ≤20second |
| CH4 | 0-100%LEL | 0-100%VOL | 1%LEL/1%VOL | ≤15second |
| CO2 | 0-5000PPM | 0-1%、5%、10%VOL (infrared) | 1PPM/0.01%VOL | ≤20second |
| NO | 0-250PPM | 0-500、1000PPM | 1PPM | ≤20second |
| N2 | 0-100%VOL | 0-100%VOL | 0.1%VOL | ≤15second |
| Alcohol | 0-100%LEL | 0-100%LEL | 1%LEL/1%VOL | ≤15second |
| SO2 | 0-20PPM | 0-50、1000PPM | 0.1/1PPM | ≤20second |
| CL2 | 0-20PPM | 0-10、50、100PPM | 0.1PPM | ≤20second |
| dichlorosilane | 0-20PPM | 0-20、100PPM | 1/0.1PPM | ≤20second |
| NH3 | 0-100PPM | 0-50、500、1000PPM | 0.1/1PPM | ≤20second |
| Silicon tetrachloride | 0-20PPM | 0-20、100PPM | 1/0.1PPM | ≤20second |
| H2 | 0-1000PPM | 0-40000PPM | 1/10PPM | ≤20second |
| PH3 | 0-20PPM | 0-20、1000PPM | 0.1/1PPM | ≤20second |
| HCL | 0-20PPM | 0-20、50、100PPM | 0.1/1PPM | ≤20second |
| Acrylonitrile | 0-100PPM | 0-100PPM | 1PPM | ≤20second |
| TVOC | 0-100PPM | 0-100PPM | 1PPM | ≤20second |
| CLO2 | 0-50PPM | 0-10、100PPM | 0.1PPM | ≤20second |
| HCN | 0-50PPM | 0-100PPM | 0.1PPM | ≤20second |
| ETO | 0-10PPM | 0-100、1000PPM | 1PPM | ≤20second |
| O3 | 0-10PPM | 0-20、100PPM | 0.01/0.1PPM | ≤20second |
| CH2O | 0-20PPM | 0-50、100PPM | 0.1/1PPM | ≤20second |
| F2 | 0-10PPM | 0-1、10PPM | 1/0.1PPM | ≤20second |
| HF | 0-10PPM | 0-1、10、50、100PPM | 0.01/0.1PPM | ≤20second |
| Xylene, toluene | 0-20PPM | 50、100PPM | 0.1/1PPM | ≤20second |
| Stench | 0-100PPM | 0-100PPM | 1PPM | ≤20second |
| For unlisted gas, please contact our sales department | ||||
Note: Not all gases and range are listed, if you need more information, please contact us.
TAG: otywell gas detector ，Fixed gas detector multi gas detector ，Fixed 4 Gas detector
E-mail:inquiry@otywell-safety.com
Mobile/WhatsAPP:+8616692113216
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