IoT Products

PLV3-L is our LoRaWAN Operated IP68 Low Power Floating Level Transmitter for Water Resource Management. It is designed to work in harsh environments and provide accurate measurements. Find out more at Ellenex.

Technical Specification

Sensor

  • Range: 1, 2, 3, 5, 10 (or other ranges up to 200) m H2O
  • Accuracy: ±0.25 (typ.) (combined linearity, hysteresis, repeatability) %Span
  • Resolution: ±0.01 %Span
  • Pressure reference: Sealed Gauge (with Built-in Atmospheric Pressure Sensor and floating housing)
  • Temperature Coefficient of Zero:  ≤±0.03 %FS/degrees C
  • Temperature Coefficient of Span:  ≤±0.03 %FS/degrees C
  • Long term stability (1 year): ≤ 0.2 %Span
  • Overload Protection: 150 %FS
  • Load Cycles (Zero to Full Scale): 10+ Million
  • Storage / Operation Temperature: -20 ~ +85 degrees Celsium
  • Compensated temperature: 0 ~ 60 degress Celcius

Power

  • Power Supply: Built-in Replaceable Lithium Battery, External Power (option)
  • Rated Voltage: 3.6V
  • Battery Lifetime: 100,000+ Readings and 20,000+ Transmission
    (with UDP protocol/ more than 10 years for most of applications)

Physical Specification

• Materials: O-rings: Viton, Sensor Head: SS304, Diaphragm: SS316, Oil: Silicon, Enclosure: POM and Compressed Plastic

• Process Connection: No Process Connection (or on request)

• Weight: ~1,800 (for 10m range) g
• Protection Rate: IP68 and UV protected enclosure

Communication

  • LoRaWAN® Version, Class: 1.0.2revB, Class A (Class C on request) 

  • LoRaWAN® Frequency Zone: AS923, EU868, US902-928, AU915-928 (other zones available on request)

  • LoRaWAN® Activation Type: OTA (default), ABP

  • Sampling Type: Periodic (default), Event triggered

  • Sampling Period: Configurable via downlink (default 4 hours)

  • Transmission Type: Per sample (default), Event triggered, Conditional

  • Parameter Configuration: Over-the-air via LoRaWAN® downlinks, Locally via wireless connectivity

  • Firmware Update: Locally via Wireless Connectivity, Over The Air

 

TRANSMISSION PROTOCOLS:

ISDN » W-Lan

CHARACTERISTICS:

Environment » Temperature Range » Industrial (-25°C / +65°C)