N-R718B2
LoRaWAN 2-Gang Temperature Sensor
- 2 ER14505 battery AA SIZE (3.6V / section) parallel power supply
- PT1000 Platinum resistance temperature sensor detection
- The base is attached with a magnet that can be attached to a ferromagnetic material object
- Protection class IP65 / IP67 (optional)
- Compatible with LoRaWAN Class A
- Frequency hopping spread spectrum
- Low power consumption and long battery life
Product Specification
| Electric: | |
| Input Power | 2 x 3.6V ER14505 AA size lithium batteries |
| Operating Voltage Range | 3.1v - 3.65v |
| Standby Current | 24uA |
| Wakeup Current | 0.8mA-20mA * When not transmitting /receiving LoRa data |
| Receiving Current (max) | 11mA@3.3V |
| Transmitting Current (max) | 120mA/3.3V |
| Battery Voltage Measurement Accuracy | ±0.1V |
| Low Voltage Threshold | 3.2V |
| Temperature Measurement Range | -40 to 200°C |
| Temperature Measurement Accuracy | The host body and the external PT1000 are in the same temperature range: Temperature Range: 0℃ ≤ t ≤ 55℃, Accuracy: ±0.5℃ The host body and the external PT1000 are in different temperature ranges: Temperature Range T1: 0℃ ≤ T1 ≤ 55℃ (Host body) Temperature Range T2: -40℃ ≤ T2 < 0℃ (PT1000) Accuracy: ±{(0.15 + 0.002*|T2|)+1}℃ Temperature Range T1: 0℃ ≤ T1 ≤ 55℃ (Host body) Temperature Range T2: 55℃ < T2 ≤ 200℃ (PT1000) Accuracy: ±{(0.15 + 0.002*|T2|)+0.3}℃ * t, T1, T2 refers to temperature |
| Lead Length | 2m (default) |
| Probe Specifications | 1: Probe diameter 5mm, needle probe 15cm (316 stainless steel) 2: Probe diameter 5mm, round head probe 15cm (316 stainless steel) 3: Probe diameter 5mm* length 100+60mm L-type probe (316 stainless steel) |
| Frequency: | |
| Frequency Range | 863MHz-928MHz 470MHz-510MHz |
| TX Power | US915 20dbm； AS923 16dbm； AU915 20dbm； CN470 19.15dbm； EU868 16dbm； KR920 14dbm； IN865 20dbm； |
| Receiving Sensitivity | -136dBm（LoRa，Spreading Factor=12，Bit Rate=293bps )； -121dBm (FSK,Frequency deviation=5kHz, Bit Rate=1.2kbps) |
| Antenna Type | Built-in antenna |
| Communication Distance | Up to 10 km (visible linear obstacle-free transmission distance , actual transmission distance depends on the environment ) |
| Data Transfer Rate | LoRa: 0.3kbps～50kbps FSK: 1.2kbps～300kbps |
| Modulation | LoRa/FSK (Note: You can choose one of them) |
| Supportable LoRaWAN Band | EU863-870, US902-928, AU915-928, KR920-923, AS923-1, AS923-2, AS923-3, IN865-867, CN470-510 |
| Physical: | |
| Dimension | Main Part: L: 112mm*W: 88.19mm*H: 32mm c |
| Weight | 141g |
| Environment Temperature Range | -20℃ ～ 55℃ |
| Environment Humidity Range | < 90% RH (No condensation) |
N-R718B2 connects two external resistance temperature detectors (PT1000) to measures the temperature.