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  • R718N3-Wireless 3-Phase Current Meter
    With 3 x 50A Solid Core CT

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R718N3-Wireless 3-Phase Current Meter
With 3 x 50A Solid Core CT

   

R718N3 is powered by battery and obtains the load AC current value through the current transformer. The device adopts the solid core current transformer, which can be conveniently connected to the measuring device.

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R718N3 is powered by battery and obtains the load AC current value through the current transformer. The device adopts the solid core 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
• LoRaWANTM 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:

Input Power

2 x 3.6V ER14505 AA Size 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 Measurement Accuracy
Accuracy

±0.1V

Current Resolution

1mA

Current Measurement Range

100mA to 50A (Accuracy <±1% within 300mA~50A)
(varies according to the configuration of the current transformer)

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:
Main Body Dimension

Host body: L: 112 mm *W: 88.19 mm *H: 32 mm
Sensor: H:37.5 *L:39 *W:14mm
Host body Weight

About 141 g
Sensor Weight

About 48.7*3g
Sensor External Wiring Length

About 900mm
Environment Temperature Range

-20℃ ~ 55℃

Environment Humidity Range

<90%RH (No condensation)

Mounting

Screw / Magnet