Overview
NT-552M-565D refrigerant sensor is an intelligent infrared gas sensor (hereinafter referred to as the sensor), which uses the principle of non-dispersive infrared (NDIR) to detect refrigerant (label 454B), which has good selectivity and no oxygen dependence ; The sensor is a compact high-performance sensor produced by combining mature infrared absorption gas detection technology with micro-machining and sophisticated circuit design. It is easy to use and can be directly used to replace the catalytic combustion element.
Key Features
- High sensitivity, high resolution, fast response
- Output method: UART, analog voltage signal
- Temperature compensation, excellent linear output, Excellent stability, Long lifespan
- Anti-poisons, anti-vapor interference, Can replace catalytic type gas sensor directly
Applications
- HVAC refrigeration,
- Industrial-process control and safety protection
Technical Specifications
| Part Number | MH-441D |
| Detection Gas | 454B |
| Detection Range | 0~5%VOL |
| WorkingVoltage | 3.6~5VDC (Require powered by safety barrier) |
| Average Current | <85mA |
| Detection Range | 0~5.00% Vol |
| Interface Level | 3.0V |
| OutputSignal | UART |
| 0.4~2.0VDC(Requireoutput by safety barrier) | |
| Warm-up time | 3 min |
| Response time | T90<30 seconds |
| WorkingTemperature | -20°C ~ 60°C |
| WorkingHumidity | 0~95%RH(no condensation) |
| Sizes | Φ20×22.4mm |
| Weight | 35g |
| Lifetime | >5 years |
| Defense Grade | IP54 |
| Power, communication terminal Intrinsic safety | Ui=7.5VDC,Ii=265mA, Pi=0.5W,Ci=10μF,Li=0mH |
