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R311W -Wireless 2-Gang Water Leak Detector

   

Wireless 2-Gang Water Leak Detector (R311W) is a LoRaWAN device compatible with LoRaWAN protocol (ClassA). When the R311W sensor detects the leak, it will send an alarm message to the gateway. When the sensor detects no leaks, it will send a message that shows no leak to the gateway.

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Wireless 2-Gang Water Leak Detector (R311W) is a LoRaWAN device compatible with LoRaWAN protocol (ClassA). When the R311W sensor detects the leak, it will send an alarm message to the gateway. When the sensor detects no leaks, it will send a message that shows no leak to the gateway.

• LoRaWAN™ Class A compatible
• 2*3.0V CR2450 button battery power supply
• Water leak detection
• Apply SX1276 wireless communication module
• Frequency Hopping Spread Spectrum (FHSS)
• Configuration parameters can be configured through a third-party software platform
• Applicable to third-party platforms: Actility / ThingPark, TTN, MyDevices / Cayenne
• Low power consumption and long battery life Improved

Electric:

Power Supply

2 sections 3.0V CR2450 button batteries

Operation Voltage

DC 2.4V to 3.0V

Standby Current

12uA/3.0V

Transmitting Current (max)

120mA / 3.0V

Receiving Current (max)

11mA/ 3.0V

Battery Measurement Accuracy

± 0.1V

Low Voltage Threshold

2.4V

Water Wire Length

1000mm (±5mm)

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

57mm x 35mm x 15.2mm

Sensor Dimension

11.89mm x 38.5mm x 13.7mm
Weight

48.9g
Environment Temperature Range

-20℃ to 55℃
Storage Temperature Range

-40℃ to 85℃

Environment Humidity Range

<90%RH (No condensation)