WATTECO - FLASH'O LoRaWan light pulse sensor

Flash'O counts and accumulates the number of light flashes. Electricity consumption can be estimated by the remote server from the energy weight of each flash (pulses per kWh or Wh) indicated on the meter. The remote optical probe simply attaches to the meter using magnets or Velcro. The length of the cable is approximately 50 cm.

The sensor is equipped with:
- an NFC identification tag (product number, serial number, manufacturing batch),
- a magnetic switch allowing activation and deactivation.

Counting data can be stored in local memory and compressed before being transmitted over the public or private LoRaWAN® network. This reporting technique is particularly suitable for the transmission of load curves because it considerably reduces the amount of data transmitted while preserving the autonomy of the sensor.

When powered by a 3.6V 3.6Ah battery, the autonomy of the sensor is 12 years (data compression mode) for a configuration performing one measurement per hour and one transmission per day.

FEATURES:

• Radio frequency counting and remote reading of any electronic meter emitting light flashes
• Load curve remote reading
• Easy to install and use
• Counting and accumulation of light flashes up to 500 pulses per second
• Infrared optical sensor
• Differential Data Compression
• Up to 12 years of autonomy (data compression mode)

TECHNICAL SPECIFICATIONS :

• RADIO FREQUENCY
  • Frequency (MHz) EU: 863-870
  • Transmitted power (dBm) +14
  • Sensitivity (dBm) -140
• FIRMWARE
  • LoRaWAN® Protocol, Class A
  • Transmission cycles 10mn, 1h, 12h or specified by the networkData compression yes (differential coding) or no
  • Activation method Activation by Personalization (ABP)
  • Over-The-Air Activation (OTAA)
  • AES128 data encryption
  • Alarm threshold configuration Battery voltage: 0.1V to 3.6V in steps of 0.1V
• LEDs
  • Light pulse Adapts to any electronic meter whose flash emits at a rate of less than 500 pulses/second
• FEED
  • Voltage 3.6V / 3600mAh - lithium battery
  • Autonomy in a range of +10°C
  • at +25°C
  • Up to 12 years with 1 measurement and transmission per day
  • Up to 8 years old - 1 measurement every hour and one transmission per day
• INTERFACE
  • LEDs Configuration and association on the network
  • Magnetic switch Reset, ON/OFF
• HOUSING
  • Dimensions (mm) 92 x 92 x 56
  • IP class IP55
  • Installation Fixing of the optical sensor by magnet or Velcro
  • Cable length: 0.5m
• ENVIRONMENT
  • Operating temperature (°C) -20 / +50
  • Storage temperature(°C) -10 / +60