Sandford Wattmeter


2 in stock


The kit when constructed as per these instructions will dissipate 5 watts indefinitely and up to 20 watts for short periods.

The Sandford Wattmeter   – Consists of the following three instruments:

  • Dual range (5 & 20 watt Full Scale) Power Meter
  • 50Ω* Non –Inductive Load (Dummy Antenna)
  • Resistor pi network giving a -34dB sample output

The wattmeter is intended for use as a piece of test equipment in the QRP enthusiast’s shack. The accuracy is better than 10% which compares favourably with commercial units intended for the amateur market.

Enclosures may be blemished

Sandford Wattmeter Build Instructions

Additional information

Weight 400 g