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R900NAB Series Wireless Current Sensor with 6 x Clamp-On CT, 4 x NTC Temperature Sensor and 1 x Digital Output

   

R900NAB series is a wireless current sensor that has 6 clamp-on current transformers (CT), 4 point-contact NTC thermistors, 1 digital out, 1 light sensor, and a built-in vibration sensor. In addition to these powerful functions, the R900NAB series supports configuration and firmware upgrade through Netvox NFC App. Just hold your phone near the device. Data reading, device settings, everything you need can all be done on the app.

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R900NAB series is a wireless current sensor that has 6 clamp-on current transformers (CT), 4 point-contact NTC thermistors, 1 digital out, 1 light sensor, and a built-in vibration sensor. In addition to these powerful functions, the R900NAB series supports configuration and firmware upgrade through Netvox NFC App. Just hold your phone near the device. Data reading, device settings, everything you need can all be done on the app.

•Equipped with multiple kinds of sensors
•Support NFC. Configure and upgrade firmware on Netvox NFC app
•Store up to 10000 data
•Export digital out signal based on the threshold of current and temperature
•Powered by 2* 3.6V ER18505 batteries (also support ER14505 batteries with battery converter case)
•Up to 7 installation methods for different kinds of scenarios

Electric:

Power Supply

2* ER18505 3.6V 4000mAh lithium batteries

Battery Low Voltage Alarm

3.3V

Battery Measurement Accuracy

0.1V

Current Measurement Range

(1) 75A CT (100mA to 75A)
(2) 150A CT (1A to 150A)
(3) 250A CT (1A to 250A)
(4) 630ACT (5A to 630A)
(5) 1000A (10A to 1000A)
(6) 3000A CT (150A to 3000A)

NTC Thermistors Measurement Range

-40°C to 125°C

CT Hole Diameter

(1)75A CT(10±0.2 mm)
(2)150A CT(16±0.5 mm)
(3) 250A CT(24.3±0.5 mm)
(4) 630ACT(35±0.5 mm)
(5) 1000A CT(51 mm)
(6) 3000A CT(76.8x130mm)

Light sensor Measurement Range(optional)

0.01 Lux – 157 Kilolux


Frequency:

Frequency Range

863MHz-928MHz 470MHz-510MHz

TX Power

US915 22dbm；
AS923 16dbm；
AU915 22dbm；
CN470 19.15dbm；
EU868 16dbm；
KR920 14dbm；
IN865 20dbm；

Receiving Sensitivity

–123 dBm for 2-FSK (at 1.2 Kbit/s),
–148 dBm for LoRa® (at 10.4 kHz, SF= 12)

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

FSK: 0.6 – 300Kbit/s
LoRa: 0.018 – 62.5Kbit/s

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:115.5mm x W: 60mm x H: 54mm

Operating Temperature

-20°C ~ 55°C
Storage Temperature

-40°C ~ 85°C

Operating Humidity Range

<90%RH (No condensation)

Installation

Standard: screws, double-sided tape, bracket
Prepared by Customer: cable ties
Optional: DIN rail, magnetic, swivel bracket