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  • R718N325-Wireless 3-Phase Current Meter with 3 x 250A Clamp-On CT

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R718N325-Wireless 3-Phase Current Meter with 3 x 250A Clamp-On CT

   

R718N325 is powered by a battery and receives AC current through a current transformer. This device 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.

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R718N325 is powered by a battery and receives AC current through a current transformer. This device 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.

• 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 be easily connected with the device to be monitored
• 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

Receiving Current (max)

11mA @3.3V

Transmitting Current (max)

127mA/3.3V

Battery Measurement Accuracy
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
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: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