EA900-LT-CH4Fixed Laser Methane / CH4Detector
Intrinsically Safe ch.Design Explosion-proof Certified Two Lightning Protection Anti-static Lightning Protectionand Anti-staticcan National Standard High Strong Pulse Surge Current Impact High Reliabilityand Stability Comply EMI EMCStandard Through National Standard Testand CMCMeasuring Instrument License Certified GB 3836.1—2010 Explosion Gas Environment Electrical Equipment Universal Require GB 3836.2—2010 Explosion Gas Environment Electrical Equipment Flameproof Type“d” GB 3836.4—2010 Explosion Gas Environment Electrical Equipment Intrinsically Safe Type“i” Compatible Various Two Data Acquisition Module PLC DCSSystem can Direct Drive Fan Alarmetc.Equipment can Through Drive Relay Drive Large Power Equipment Standard Infrared Remote Controller can Implement Hazardous Occasion Open Operation For Example Modify Alarm Concentration Calibration Zero Point Calibration Mute Factory Reset Single 2.3-inch High Display Real-time Concentration Single etc. Automatic Tracking Zero Point Prevent Drift Temperature Compensation Multi-stage Calibration can Simultaneously Comply National Standardand Each Region Local Standard
Key Features
- Intrinsically Safe ch.Design Explosion-proof Certified Two Lightning Protection Anti-static Lightning Protectionand Anti-staticcan National Standard High Strong Pulse Surge Current Impact High Reliabilityand Stability
- Comply EMI EMCStandard Through National Standard Testand CMCMeasuring Instrument License Certified
- GB 3836.1—2010 Explosion Gas Environment Electrical Equipment Universal Require
- GB 3836.2—2010 Explosion Gas Environment Electrical Equipment Flameproof Type“d”
- GB 3836.4—2010 Explosion Gas Environment Electrical Equipment Intrinsically Safe Type“i”
- Compatible Various Two Data Acquisition Module PLC DCSSystem can Direct Drive Fan Alarmetc.Equipment can Through Drive Relay Drive Large Power Equipment
- Standard Infrared Remote Controller can Implement Hazardous Occasion Open Operation For Example Modify Alarm Concentration Calibration Zero Point Calibration Mute Factory Reset Single
- 2.3-inch High Display Real-time Concentration Single etc.
- Automatic Tracking Zero Point Prevent Drift Temperature Compensation Multi-stage Calibration can Simultaneously Comply National Standardand Each Region Local Standard
Specifications
| Product Name Fixed Laser Methane / CH4Gas Detector | |
| Product Model EA900-LT-CH4 | |
| Detection Principle Adjustable Laser Spectrum Absorption Technology(TDLAS) | |
| Measurement Range 3-100%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 204mm*139mm*139mm High*Wide*Thick | |
| Weight 2Kg 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 |
