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 |