
Gas Sensor Modules
AM4203 Series
Industrial Infrared A2L and A3 Refrigerant Gas Sensor AM4203 Series
- Model
- AM4203 Series
- Category
- Gas Detectors & Alarms › Gas Sensor Modules
Parameters: R32, R454A, R454B, R454C, R290
IndustriesBuilding & HVAC
Measurement PrincipleNDIR
Overview
The AM4203 Series are industrial dual-beam NDIR refrigerant sensors for A2L gases and R290, measuring 0-100% LFL with matrix calibration and auto-baseline correction, 12/24 VDC power, RS485 Modbus, a 15-year life and IEC/UL 60335-2-40 certification.
Key Features
- Dual-beam NDIR technology
- 0-100% LFL measurement range for refrigerant gases
- Excellent accuracy over full meaurement range under matrix calibration
- Advanced auto baseline calibration mechanism
- Industrial grade 12/24VDC power supply, RS485 and Modbus communication
- Long life span of 15 years
- OEM and ODM flexible service
- IEC60335-2-40 & UL 60335-2-40 certified
Measured Parameters
| Parameter | Measuring Range |
|---|---|
| R32 | 0~50 %LFL (extendable to 100 %LFL) |
| R454A | To be confirmed |
| R454B | To be confirmed |
| R454C | To be confirmed |
| R290 | To be confirmed |
Specifications
| Principle | Dual-beam NDIR |
|---|---|
| Measurement Range | 0~50% LFL (Extendable up to 100% LFL) |
| Resolution | 1%LFL |
| Accuracy | ±2.5% LFL up to 25%LFL; ±5% LFL or 10% indication above 25%LFL |
| Response Time | <30s |
| Communication | RS485, Modbus |
| Working Environment | -20~60℃;0~95%RH(non-condensing) |
| Power Voltage | 12/24V DC |
| Average Current | 500mA |
| IP Grade | IP54(Optional:IP65 ) |
| Life Span | 15 years |
Applications
- Automotive air conditioners
- Refrigerant leakage detection
- Industrial refrigerant monitoring systems
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