N-R718N325
LoRaWAN 3-Phase Current Meter with 3 x 250A 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 be easily connected with the device to be monitored
- LoRaWANTM Class A compatible
- Frequency Hopping Spread Spectrum (FHSS)
- Improved power management for longer battery life
Product Specification
| Electric: | |
| Input Power | 2 x 3.6V ER14505 AA Size lithium batteries (3.6V2400mah/section） |
| Standby Current | 25uA |
| Receiving Current (max) | 11mA @3.3V |
| Transmitting Current (max) | 127mA/3.3V |
| Battery Measurement Accuracy | ±0.1V |
| Current Resolution | 1mA |
| Current Measurement Range | 1A to 250A (depending on the current transformer configuration) |
| 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 |
| Modulation | LoRa |
| Supportable LoRaWAN Band | EU863-870, US902-928, AU915-928, KR920-923, AS923-1, AS923-2, AS923-3, IN865-867, CN470-510 |
| Physical: | |
| Main Body Dimension | Host body: L: 112 mm W: 88.19 mm H: 32 mm Sensor: H:66mm L:46mm W:34mm |
| Host body Weight | About 141 g |
| Sensor Weight | About 150.6x3 g |
| Sensor External Wiring Length | About 900mm |
| Environment Temperature Range | -20℃ ~ 55℃ |
| Storage Temperature Range | -40℃～85℃ |
| Environment Humidity Range | < 90%RH (No condensation) |
| Mounting | Screw / Magnet |
N-R718N325 is powered by a battery and receives AC current through a current transformer. It adopts clamp-on current transformer, which can be easily connected to the device to be tested. The A phase line, the B phase line and the C phase line of the three-phase electric power are respectively connected to the corresponding current transformers.