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R72632A-Wireless NPK Sensor

   

R72632A can detect and send soil nitrogen (N), phosphorus (P) and potassium (K) data. It is a wireless communication mode, adopts SX1276 wireless communication module.

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R72632A can detect and send soil nitrogen (N), phosphorus (P) and potassium (K) data. It is a wireless communication mode, adopts SX1276 wireless communication module.

• Apply SX1276 wireless communication module
• 2 x 3.6v ER34615 power supply
• LoRaWAN™ Class A compatible
• Soil nitrogen (N), phosphorus (P) and potassium (K) detection
• 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

Electric:

Power Supply

2x3.6V ER34615 lithium batteries

Operating Voltage

6.8v to 7.2v

Standby Current

≤400uA

Wakeup Current

6.3mA

Receiving Current (max)

11mA @3.3V

Transmitting Current (max)

120mA/3.3V

Battery Voltage Accuracy

±0.1V

Low Voltage Threshold

6.8V

Detection Range of Soil NPK

0-1999 mg/kg

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:
Dimension

Main Body: 117 mm x 89.05 mm x 82 mm
NPK Sensor: 137mm x 45mm x 15mm
Sensor Wiring

1.25m
Environment Temperature Range

-20℃ to 55℃
Storage Temperature Range

-40℃ to 85℃

Environment Humidity Range

<90%RH (No condensation)