EA900-IR-CH4 Fixed Infrared Combustible Gas Detector
15CMAbove Long Gas Chamber Detection High Resolution High Precision Dual ch.Detection ch.Self-correcting Reliability High Anti-interference Capability Strong Infrared Absorption Principle Performance Stable Service Life Long Multi-channel Digital Signal Output Detected Gas Type Optional Detection Range Customizable Calibration Small Long-term Stability High Smart Temperature Compensation -40 +70℃Full National Standard Precision Require Smart Condensation Function Low High Environmentcan Normal Use ch. Alarm Function Convenient ch.Cleaning Maintenance Silane / Si H4 Hydrogen Sulfide / H2Setc.Gas Environment Normal Use
Key Features
- 15CMAbove Long Gas Chamber Detection High Resolution High Precision
- Dual ch.Detection ch.Self-correcting Reliability High Anti-interference Capability Strong
- Infrared Absorption Principle Performance Stable Service Life Long
- Multi-channel Digital Signal Output Detected Gas Type Optional Detection Range Customizable
- Calibration Small Long-term Stability High
- Smart Temperature Compensation -40 +70℃Full National Standard Precision Require
- Smart Condensation Function Low High Environmentcan Normal Use
- Ch. Alarm Function Convenient ch.Cleaning Maintenance
- Silane / Si H4 Hydrogen Sulfide / H2Setc.Gas
- Environment Normal Use
Specifications
| Product Name Fixed Infrared Combustible Gas Detector | |
| Product Model EA900-IR-CH4 | |
| Detection Principle Dual Gas Path Long Infrared Principle NDIR | |
| Measurement Range 0-100%LEL | |
| 0.01,0.1%LEL | |
| Sampling Method Flow-through Type Diffusion Type | |
| Installation Method Wall-mounted Pipeline Type Flow-through Type | |
| Indication Error ≤±1% FS | |
| ≤±1% | |
| Zero Drift ≤±1% FS/year | |
| Response Time ≤20s T90 High Require According to Sensor Performance | |
| Restore Time ≤10s High Require According to Sensor Performance | |
| Power Supply 12 30VDC | |
| ≤1.5W DC24V | |
| Ambient Pressure 80k Pa 120k Pa | |
| Ambient Temperature -20℃ +60℃ Typical Value -40℃ +80℃ Limit | |
| High Temperature Humidity Detection Environment Optional Our Company Set Pre-treatment Gas Monitoring System | |
| Ambient Humidity 10% 95%RH No Condensation | |
| Main Material ①Housing ADC12Aluminum Alloy Teflon Baking Paint Wear-resistant Corrosion-resistant Complex Harsh Environment Optional316 Stainless Steel Housing | |
| ②Gas Chamber Adopt High Strong Wear-resistant Corrosion-resistant Aluminum Profile Sturdy & Durable Gas Chamber Thread M45*1.5 | |
| Output Signal ①Three Wire Type4-20m ACurrent Signal Output can Connect Various Alarm Controller PLC DCS etc.Various Control System | |
| ②RS-485Digital Signal Output Connect RS232Adapter can Computer View Storage Data | |
| ③2 Relay High Low Alarm Switch Output Passive Contact Capacity30V 1A 125VAC 0.5A | |
| ④Voltage Signal Output can Self Setting0-5V 0-10VSignal Output Optional | |
| Signal Transmission ①Three Four Shielded Cable Transmission can Transmission1000meter 2000meter Single 1Square Shielded Cable | |
| Method | |
| Alarm Method Sound & Light Alarm Optional Sound & Light Alarm Alarm Sound < 90d B | |
| Direct Reading Measurement Maximum Value Minimum Value | |
| Data Download Supports RS485Serial Port Measurement Data Download | |
| Calibration 2Level to4 Above Target Calibration Function Configurable Calibration One-key Zero Adjustment | |
| Explosion-proof Electrical ① NPT3/4Adapter Internal Thread Optional1/2NPT G3/4 G1/2Adapter Internal Thread | |
| Connect Thread ② Explosion-proof Cable Filling Optional Explosion-proof Certified | |
| Explosion-proof Mark Ex d II CT6 Gb | |
| Protection Rating IP66 | |
| Size 260*140*92 High*Wide*Thick | |
| Weight 2.5Kg Aluminum Alloy Housing | |
| Executive Standard GB15322.1-2003 GB3836.1-2010 GB3836.2-2010 GB3836.4-2010 | |
| Quality Guaranteed Warranty Period year Warranty Period Free Repair |



