Product Introduction
Adopts semiconductor sensor, stable and durable.
Range 0~1000ppm, other ranges can also be customized.
High measurement accuracy, up to within ±15%FS, repeatability up to within 2%.
Optional high-quality OLED display, allowing direct on-site reading of values, and clear display even at night.
On-site power supply adopts 10~30V DC wide voltage power supply, which can adapt to various DC power sources on site.
The product adopts a wall-mounted waterproof enclosure, is easy to install, and has a high protection rating, making it suitable for harsh on-site environments.
485 type:
| Power supply | 10~30V DC |
| Output signal | 485 |
| Power consumption | 0.9W |
| Temperature measurement range | -40℃~+80℃ |
| Temperature Accuracy | ±0.5℃（25℃） |
| Humidity measurement range | 0~100%RH |
| Humidity accuracy | ±3%RH（60%RH,25℃） |
| 工作温度 | -20~50℃ |
| Working humidity | 15~90%RH non-condensing |
| Pressure range | 90~110kPa |
| Stability | ≤2% signal value/month |
| Freon zero drift (-20~40℃) | ±3%FS |
| Repeatability | ≤2% |
| Service life | ≥12 months |
| Measuring range | 0~1000ppm |
| Accuracy | ±15%FS（@R22，500ppm、25℃、50%RH） |
| 分辨率 | 1ppm |
| Response time | ≤35s |
| Preheating Time | ≥24h |
Analog type:
| Power supply | 10~30V DC |
| Output signal | 4-20mA、0-5V、0-10V |
| Power consumption | 0.9W |
| 工作温度 | -20~50℃ |
| Working humidity | 15~90%RH non-condensing |
| Pressure range | 90~110kPa |
| Stability | ≤2% signal value/month |
| Freon zero drift (-20~40℃) | ±3%FS |
| Repeatability | ≤2% |
| Service life | ≥12 months |
| Measuring range | 0~1000ppm |
| Accuracy | ±15%FS（@R22，500ppm、25℃、50%RH） |
| 分辨率 | 1ppm |
| Response time | ≤35s |
| Preheating Time | ≥24h |
WiFi type:
| Power supply | 10~30V DC |
| Power consumption | 0.9W |
| Temperature measurement range | -40℃~+80℃ |
| Temperature Accuracy | ±0.5℃（25℃） |
| Humidity measurement range | 0~100%RH |
| Humidity accuracy | ±3%RH（60%RH,25℃） |
| 工作温度 | -20~50℃ |
| Working humidity | 15~90%RH non-condensing |
| Pressure range | 90~110kPa |
| Stability | ≤2% signal value/month |
| Freon zero drift (-20~40℃) | ±3%FS |
| Repeatability | ≤2% |
| Service life | ≥12 months |
| Measuring range | 0~1000ppm |
| Accuracy | ±15%FS（@R22，500ppm、25℃、50%RH） |
| 分辨率 | 1ppm |
| Response time | ≤35s |
| Preheating Time | ≥24h |
| WIFI communication parameters | 802.11b/g/n |
| Security | Security mode WEP/WPA-PSK/WPA2-PSK Encryption type WEP/TKIP/AES |
| Configuration tool | "Bluetooth Tap-to-Configure" |
LORA type:
| Power supply | 10~30V DC |
| Output signal | LORA |
| Power consumption | 0.9W |
| Temperature measurement range | -40℃~+80℃ |
| Temperature Accuracy | ±0.5℃（25℃） |
| Humidity measurement range | 0~100%RH |
| Humidity accuracy | ±3%RH（60%RH,25℃） |
| 工作温度 | -20~50℃ |
| Working humidity | 15~90%RH non-condensing |
| Pressure range | 90~110kPa |
| Stability | ≤2% signal value/month |
| Freon zero drift (-20~40℃) | ±3%FS |
| Repeatability | ≤2% |
| Service life | ≥12 months |
| Measuring range | 0~1000ppm |
| Accuracy | ±15%FS（@R22，500ppm、25℃、50%RH） |
| 分辨率 | 1ppm |
| Response time | ≤35s |
| Preheating Time | ≥24h |
Main Application Areas
- Smart Homes — Real-time refrigerant leak detection to ensure indoor air safety and HVAC efficiency.
- Automotive & Transportation — Monitors Freon levels in vehicle air conditioning systems and transport refrigeration units.
- Garages & Workshops — Detects refrigerant leaks in automotive repair shops and industrial maintenance areas.
- Chemical Plants — Continuous monitoring of refrigerant gases in chemical processing and storage facilities.
- Enclosed Living Spaces — Provides early warning of refrigerant accumulation in basements, cabins, and sealed rooms.
Keywords：freon transmitter, refrigerant gas detector, R22 sensor, R134A transmitter, R410A monitor, industrial freon sensor, gas leak detector, HVAC refrigerant sensor
