N-R718N37
LoRaWAN 3-Phase Current Meter with 3 x 75A Clamp-On CT
- 2 ER14505 battery (3.6V/section) in parallel power supply
- Protection level: host body IP53, sensor IP30
- The base is attached with a magnet that can be attached to a ferromagnetic material object
- Adopt clamp-on current transformer, it can easily connect to the device to be detected
- LoRaWANTM Class A compatible
- Frequency Hopping Spread Spectrum (FHSS)
- Improved power management for longer battery life
Product Specification
| Electric: | |
| Power Supply | 2x3.6V ER14505 lithium batteries(3.6V2400mah/section) |
| Standby Current | 25uA |
| Wake up Current | 7mA |
| Receiving Current (max) | 11mA @3.3V |
| Transmitting Current (max) | 127mA/3.3V |
| Battery Voltage Accuracy | ±0.1V |
| Current Measurement Accuracy | <±1% |
| Current Resolution | 1mA |
| Current Measurement Range | 100mA～75A(depending on the current transformer configuration) |
| Current Measurement Accuracy | <±1% (300mA to 75A) |
| Low Voltage Threshold | 3.2V |
| 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 (Note: The frequency band is optional and needs to be configured before shipment) |
| Physical: | |
| Dimension | Host body-L:112mm * W:65mm * H:32mm Sensor-H:42.5 *L:27.5 *W:25mm |
| Weight | Host body:About 141 g CT sensor:About 49.6*3 g |
| Sensor External Wiring Length | About 900mm |
| Mounting | Screw/Magnet |
| Operating Temperature Range | -20°C~55°C |
| Storage Temperature Range | -40°C~85°C |
| Storage Temperature Range | < 90%RH |
N-R718N37 is powered by battery and obtains the load AC current value through the current transformer. The device adopts the clamp-on current transformer, which can be conveniently connected to the measuring device.