Overview
The Inventory Master’s wireless temperature and humidity sensor with LoRaWAN is a network type transmitter that uses a digital temperature and humidity sensor to convert the temperature and humidity in the environment into a corresponding digital signal. The GPRS or LoRa or NB-IoT transmission method will be adopted. The temperature and humidity data are uploaded to the Field’s cloud platform for monitoring; the sensor uses a high-quality integrated digital temperature and humidity sensor to ensure excellent long-term stability, reliability and excellent repeatability. Widely used in building automation, climate and HVAC signal collection, greenhouses and pharmaceutical and chemical industries.
Features
- Wireless transmission free wiring
- Built-in high-performance microprocessor
- Multiple probes available
- Warm and wet use
- Superior performance and long-term stability
Technical Specifications
| Probe Length | 2.0 in (50 mm) or customized |
| Battery Capacity | 4000 mAh |
| Protection Grade | IP65 |
| Sending Frequency | 1 min to 1440 min can be set |
| Sampling Frequency | GPRS or NB-IoT: 10 s to 3600 s can be set LoRa: 10 h to 12 h can be set (default 10 s) |
| Communication Protocol | GPRS or NB-IoT: TCP, UDP, MQTT, Coap multiple protocols are optional, others need to be explained LoRaWAN: Private Protocol or LoRaWAN (Class A, OTAA Mode Activation) |
| Response Time Humidity | Rated: AC 100 V to 277 V Limit: AC 90 V to 305 V (refer to derating curve) |
| Response Time Temperature | ≤ 18 s (3 ft/s (1m/s) wind speed) |
| Supply Voltage | 3.6 V lithium battery power supply DC 12 V to 30 V external power supply |
| Humidity Accuracy | ± 3 % RH 77 °F (25°C) |
| Long-Term Stability Humidity | ≤ 0.1 % RH / year |
| Humidity Range | 0 % to 100 % RH |
| Long-Term Stability Temperature | ≤ 32.18 °F (0.1 °C) / year |
| Temperature Accuracy | ± 32.9 °F (0.5 °C) 77 °F (25 °C) |
| Sensor Body Operating Temperature | – 4 °F to 140 °F (- 20 °C to 60 °C), 0 % to 80 % RH |
| Temperature Range | – 40 °F to 248 °F (- 40 °C to 120 °C), default – 40 °F to 176 °F (- 40 °C to 80 °C) |
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