R718N37 Wireless 3-Phase Current Meter with 3 x 75A Clamp-On CT

R718N37 Wireless 3-Phase Current Meter with 3 x 75A Clamp-On CT

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.

• Apply SX1276 wireless communication module
• 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
• LoRaWAN Class A compatible
• Frequency Hopping Spread Spectrum (FHSS)
• Third-Party online wireless sensor monitoring and notification system to configure sensors, view data and set alerts via SMS text and email (optional)
• Available third-party platform: Actility/ThingPark, TTN, MyDevices/Cayenne
• Improved power management for longer battery life
• Battery Life*2:
Please refer to web: http://www.netvox.com.tw/electric/electric_calc.html
At this website, users can find battery lifetime for various models at different configurations.
*1. Actual range may vary depending on environment.
*2. Battery life is determined by sensor reporting frequency and other variables

Electric

Power Supply: 2×3.6V 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