Wireless Single-Phase Current Meter 75A

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The Netvox current meter is designed to detect single phase electrical current via a split-core current transformer which can be conveniently connected to the measuring device. The data is transmitted in accordance with a pre-set schedule via the LoRaWAN gateway and can then be analysed ready for the appropriate action to be taken.

# End Device
# Logistics
# Smart Metering



  • LoRaWAN Class A compatible
  • Frequency Hopping Spread Spectrum (FHSS)
  • Improved interference immunity
  • Improved power management for longer battery life
  • Encrypt-RF Security (Diffie-Hellman Key Exchange + AES-128 CBC for sensor data messages)
  • Battery Life of up to 5 years (determined by sensor reporting frequency and other variables)
  • Over-the-air updates (future)
  • Third-Party online wireless sensor monitoring and notification system to configure sensors, view data and set alerts via SMS text and email (optional)

Technical details


- Input Power - 2 x 3.6V ER14505 lithium batteries parallel power supply (3.6V2400mah/section)
- Sleeping Current - 25uA
- Wake Up Current - 7mA
- Receiving Current (Max) - 11mA/3.3V
- Transmitting Current (Max) - 127mA/3.3V
- Battery Voltage Measurement Accuracy - ±0.1V
- Low Voltage Threshold - 3.2V
- Current Measurement Accuracy - <+-1%
- Current Measurement Accuracy Range - 100mA to 75A (depending on the current transformer configuration)

- TX Power - 19dBm±1dBm
- Rx Sensitivity - -136dBm (LoRa, Spreading Factor=12, Bit Rate=293bps)
-121dBm (FSK, Frequency deviation=5kHz, Bit Rate=1.2kbps)
- Antenna Type - Built-In Antenna
- Communication Range - 10 km (line-of-sight, actual transmission distance depends on the environment)
- Data Transfer Rate - 0.3kbps~50kbps
- Spread Technique - LoRa/FSK
- Available Frequency - EU868 (others are available on request)

- Dimensions - Main Part: 112mm x 65mm x 32mm
- Weight - 141g
- Environment Temperature Range - -20℃ ~ 55℃
- Environment Humidity Range - <90% RH (No condensation)
- Storage Temperature - -40℃ ~ +85℃

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