Product Introduction
Range 0-100%LFL, resolution 0.1LFL;
Adopts remote infrared remote control technology, parameters can be modified without disassembly;
Adopts NDIR principle detection and dual-channel differential detection technology, with stronger anti-interference and higher accuracy;
Optional high-quality LCD display, values can be viewed directly on site, and can also be displayed clearly at night;
The on-site power supply adopts 10~30V DC wide-voltage power supply (24V power supply is used for 0~10V output), which can adapt to various on-site DC power supplies;
The product adopts a wall-mounted waterproof enclosure, which is easy to install. The protection grade is IP65 and can be used in harsh outdoor on-site environments.
| Detected gas type | R32 |
| Power supply | DC 10~30V (24V power supply is used for 0~10V output) |
| Power consumption | ≤1W |
| Communication interface | RS485; standard ModBus-RTU protocol; communication baud rate: default 4800 (1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200 configurable) 4~20mA、0~5V、0~10V |
| Refrigerant range | 100%LFL（100%LFL=14.4%vol） |
| Refrigerant accuracy | ±2.5%LFL |
| Refrigerant resolution | 0.1%LFL |
| 工作温度 | -20~50℃ |
| Working humidity | 0~90%RH non-condensing |
| Operating Pressure | 90~110kPa |
| Response time | T90≤30s |
| Preheating Time | 485 type: ≥60s Analog type: ≥30min |
| 安装方式 | Wall-mounted |
| Explosion-proof marking | Ex db IIC T6 Gb；Ex tb IIIC T80℃ Db |
| Relay load capacity | 250VAC 1A/30VDC 1A |
Main Application Areas
- Industrial Refrigeration Systems — Monitors refrigerant leaks in large-scale industrial refrigeration and cold storage facilities to prevent hazardous gas accumulation.
- HVAC and Chiller Plants — Detects refrigerant concentration in commercial HVAC systems and chiller plants, ensuring safe operation and compliance with safety regulations.
- Chemical and Petrochemical Plants — Provides reliable refrigerant gas monitoring in explosive atmospheres, protecting personnel and equipment from potential hazards.
- Food and Beverage Processing — Ensures refrigerant safety in food processing and storage environments where ammonia or other refrigerants are used.
- Pharmaceutical Manufacturing — Monitors refrigerant levels in critical cleanroom and process cooling systems to maintain safety and product integrity.
Keywords：explosion-proof refrigerant transmitter, optical refrigerant sensor, refrigerant gas detector, industrial refrigerant monitor, gas leak alarm, AMT/RS-FPC*-LR32-100LFL, refrigerant concentration meter, explosion-proof gas transmitter
