IoT Products

Netvox R718PE – Wireless Top Mounted Ultrasonic Liquid Level Sensor

R718PE is a wireless communication device that uses ultrasound to detect the distance between the device and the detected object. The medium the device detects is the air, so the detected object can be any liquid or solid that has a flat and horizontal surface, water level for example.
The main body and the sensor of R718PE communicates via the UART serial port, and the detected data can be transmitted via LoRa communication.

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SKU: R718PE Categories: , ,

Description

R718PE is a wireless communication device that uses ultrasound to detect the distance between the device and the detected object. The medium the device detects is the air, so the detected object can be any liquid or solid that has a flat and horizontal surface, water level for example. The main body and the sensor of R718PE communicates via the UART serial port, and the detected data can be transmitted via LoRa communication.

  • Adopt SX1276 wireless communication module
  • 2 ER14505 battery AA SIZE (3.6V / section) parallel power supply
  • The main body of R718PE is IP65 / IP67(optional), and the ultrasonic sensor is IP67
  • UART Serial communication
  • The base of the device is equipped with a magnet that can be attached to an iron object.
  • Compatible with LoRaWANTM Class A
  • Frequency-hopping spread spectrum technology, FHSS
  • User can configure setting, read data and send alert SMS, E-mail, etc. through third-party platforms that confirm LoRaWAN V1.0.2 protocol
  • Applicable to third-party platforms: Actility / ThingPark / TTN / MyDevices / Cayenne

Electric:

Power supply

 2 ER14505 lithium batteries
(3.6 V, 2400 mAh / section) in parallel

Battery life

 Battery life is 2.9 years
(condition: ambient temperature 25°C, reports once every 30 minutes, txpower = 20 dBm, LoRa spreading factor SF = 10)

Standby current

 20 uA

Wake-up current

 6.3mA @3.3V

Low battery alarm

 3.2V

RF receiving current

 [email protected]

RF emission current

 [email protected]

Measurement Range

 0.25-8m

Blind Distance

 0-0.25m

* Electrical characteristics may vary depending on the battery voltage

Frequency:

Frequency range 863MHz-928MHz 470MHz-510MHz

Power output

 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 environment.
Data transfer rate 0.3kbps to 50kbps
Modulation system mode LoRa/FSK (Note: choose one of them)

Supportable LoRaWAN band

 EU863-870, US902-928, AU915-928, KR920-923, AS923, CN470-510
(Note: The frequency band is optional and needs to be configured before the shipment)

Physical:

Size L:112mm*W:88.19mm*H:32mm
Body weight TBD

Operating temperature range

 -15℃ ～ 55℃
Operating humidity range <90% RH (no condense)
Storage temperature range -25℃ ～ 70℃

Additional information

Brand

Netvox

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