Wattson is a portable, battery-powered (at least 3-years), electricity monitoring device. The device employs up to three current transformers (CTs) in order to measure separate phases or conductors. From this data, power consumption estimates can be made using assumed voltages which have an accuracy of around 10%. The device is, therefore, best suited in applications where the current flow or consumption profile is of interest.



  • Long term battery life
  • Cost-effective
  • Real-time remote access to data
  • Monitoring of up to three separate¬†instruments or phases
  • Clip-on installation

Ideal for

Mains monitoring

Temporary or long-term monitoring

Behavior adjustment

Sizing of solar installations