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Refrigerant (R290) Leakage Monitoring Gas Sensor KGD - AM - 201
Product Introduction
The refrigerant (R290) leakage monitoring gas sensor KGD - AM - 201 is a gas sensor for real-time monitoring of R290 refrigerant leakage. Based on NDIR (Non-Dispersive Infrared) technology, it features high precision, long service life, good long-term stability, and high reliability. The sensor solution is convenient for integration into safety alarm monitoring devices.

Product Features
Technical Parameters
| Detected Refrigerant Type | R290 | 
| Detection Range | 0 - 100%LEL | 
| Resolution | 0.1%LEL | 
| Detection Accuracy | ±2.5%LEL@0% - 25% LEL ±10% of the reading@25% - 100% LEL | 
| Data Refresh | ≤1s | 
| Response Time | T15%LEL≤30S@25%LEL, Immersion type | 
| Preheating Time | 600s | 
| Output Mode | RS485 communication | 
| Designed Service Life | 15 years | 
| Alarm Concentration Point | 15%LEL | 
| IP Protection Grade | IP54 | 
| Reference Standard | IEC 60335-2-40 | 
| External Operating Conditions | -40℃ to 85℃, 0 - 95%RH (non-condensing) | 
| Storage Conditions | -40℃ to 85℃; 0 - 95%RH (non-condensing) | 
| Operating Pressure | 80 - 110kPa | 
| Anti-Condensation | Anti-condensation function | 
| Power Supply Voltage | 5±0.5V DC, ripple wave≤100mV | 
| Average Operating Current | Average current≤380mA | 
| Peak Current | Peak current < 550mA |