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Trac10246 Water Leak Detector LoRaWAN Sensor

This device is a water leak alarm device. When the water sensor detects a leak, it will send an alarm message to the gateway. When the water sensor detects that there is no water leak again, it will send a normal status message to the gateway. The device adopts the SX1276 wireless communication module.


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SKU:Trac10246Categories: , ,



Power Supply

2 x 3.6V ER14505 AA lithium batteries (3.6V 2400mah/section) The specific specifications of lithium batteries are subject to actual


Operating Voltage DC 3.1V~3.65V

Battery Lifetime

5 years

(Conditions: ambient temperature 25 °C, 15 min report once, TX power = 20dBm, LoRa spreading factor SF = 10)

Standby Current 22uA

Wake-up Current

7.12mA (Typical value)

Wakeup current range 0.8mA-20 mA

* When not transmitting /receiving LoRa data

Low Battery Threshold 3.2V
Battery Measurement Accuracy ±0.1V


Wake-up Current 0.8mA – 8mA/ 3.3V
RF Receiving Current (max) 11 mA/ 3.3V
RF Emission Current (max) 120mA/ 3.3V

* Specific electrical characteristics will vary depending on the power supply voltage

Water Leak Sensor Wiring Feature 

Water Line Material UL2547 24AWG
Water Line Diameter (max) 3.5mm
Water Line Length 1000mm (±10mm)
Water Line Flame Resistance Rating VW-1
Water Line Length Limit 300m (theoretical value)


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)

-121 dBm (FSK, Frequency deviation=5kHz, Bit Rate=1.2kbps)

Antenna Type Built-in antenna
Communication Distance Up to 10 km(The actual transmission distance depends on the real


Data Transfer Rate 0.3kbps to 50kbps
Modulation Method LoRa/FSK (Note: choose one of them)

Supportable LoRaWAN Band

EU863-870, US902-928, AU915-928, KR920-923, AS923,


(Note: The frequency band is optional and needs to be configured before the shipment)


Host Body Dimension L: 112 mm*W: 88.2 mm*H: 32 mm
Water Leak Sensor Dimension L: 38.5 mm*W: 11.89 mm*H: 13.7mm
Host Body Weight About 141 g
Ambient Temperature Range -20°C to 55°C
Ambient Humidity Range <90% RH (No condensation)
Storage Temperature Range -40 °C ~ 85 °C

Main Characteristic

  • Adopt SX1276 wireless communication module
  • 2 ER14505 battery AA SIZE (3.6V / section) in parallel
  • Water leak detection
  • The base is attached with a magnet that can be attached to a ferromagnetic material object
  • IP rating: IP65/67 (optional)
  • The water leakage sensor can withstand 50°C (theoretical value)
  • Compatible with LoRaWANTM Class A
  • Frequency hopping spread spectrum technology
  • Configuring parameters and reading data via the third-party software platforms, and set alarms via SMS text and email (optional)
  • Applicable to the third-party platforms: Actility / ThingPark / TTN / MyDevices / Cayenne
  • Low power consumption and long battery life Note:

Battery life is determined by the sensor reporting frequency and other variables.


  • Generator room
  • Warehouse
  • Smart home
  • Archive
  • Air conditioning
  • Semiconductor plant
  • Data Center
  • Others