Description
Features
- Maximum 5km Long distance measurement
- Large battery work for up to 3 years
- High precise temperature and humidity sensor
- Easily USB configuration
- Temperature and humidity alarm notification
- Low battery level notification
- Button trigger for quick data testing
- LED light indicating for different status
Technical Specifications
| Chipset | SHT20 |
| Application | Support Quectel EC-25-E or EC25-AFXD or EC200M-CN EC25-E is suitable for Europe, South Korea, and India
EC25-AFXD is suitable for North America
EC200M-CN is suitable for China LTE FDD: B1, B3, B5, B8 |
| Frequency | 433 or 470 or 868 or 915MHz (optional) |
| Working Humidity Condition | 5 % RH to 95 % RH (non-condensing) |
| Maximum Range in Open Area | 3.11 miles (5 km) |
| N.W | 9.52 oz (270 g) |
| Inner Lithium Battery | Built-in 3.7V or 850mAh(rechargeable) |
| Power Supply | DC 12 V |
| Exterior RF antenna | Receive RF signal better |
| Maximum range in Open Area | 3.11 miles (5 km) |
| Working Humidity Conditions | Up to 95% (non-condensing) |
| GPRS Frequency | 850 MHz  or 900 MHz  or 1800 MHz  or 1900 MHz |
| RF Frequency | 433 MHz |
| Modulation | Lo-Ra |
| Interface | GPRS or RS485 or modbus RTU |
| Transmit Interval | 1 min to 60 mins (user definable) |
| Sensitivity of Receiving | -148 dBm |
| Low Voltage Alarm | Yes (user definable) |
| Temperature Alarm | Yes (user definable) |
| Dimension | 4.4 in X 4.1in X 1.06 in (11.18 cm × 10.41 cm × 2.69 cm) |
| Measure Range of Temp and Humidity Sensor | Temp: -40°F to 257°F (-40°C to +125°C), humidity: 5%RH to 95%RH |
| N.W | 4.76 oz (135 g) |
| Inner Lithium Battery | Built-in 3.6 V or 3500 mAh (non-rechargeable) |
| Working Life | 5 years (in 15mins interval) |
| Accuracy of Temp and humidity Sensor | Temp ± 0.54°F (± 0.3°C), humidity ±5%RH |
| Exterior RF Antenna | Receive RF signal better |
| Maximum Range in Open Area | 3.11 miles (5 km) |
| Working Humidity Conditions | Up to 75% (non-condensing) |
| RF Frequency | 433 MHz |
| Modulation | Lo-Ra |
| Transmit Power | 20dBm(adjustable) |
| Transmit Interval | 1 min to 60 mins (user definable) |
| Low Voltage Alarm | Yes (user definable) |
| Temperature Alarm | Yes (user definable) |
| Stand-by Current | <7uA |
| Waterproof Level | IP66 |
| Measure Range of Temp and Humidity Sensor | Temp -40 °F to 257°F (-40°C to + 125°C), humidity 0%RH to 100%RH |
| Working Temperature Conditions | -4°F to 140°F (-20°C to +60°C) |
| Dimension | 4.17 in X 2.24 in X 1.30 in (10.6 cm × 5.7 cm × 3.3 cm) |