Best Wattmeter
The Heathkit HM-102 is a vintage electronic kit that combines an RF power meter with an SWR bridge for amateur-radio use. Its circuit measures forward RF power and standing-wave ratio on nominal 50-ohm transmission lines, helping an operator assess the match between a transmitter, feed line, and ant...
The Heathkit HM-2102 is a very-high-frequency standing-wave-ratio and RF power meter sold as an amateur-radio construction kit. Connected between a transmitter and antenna system, it can indicate standing-wave ratio and measure transmitter output within its designed frequency range. The instrument i...
The Heathkit HM-2140 is a kit-built UHF power meter for radio-frequency work. It was designed to measure the power output of transmitters and related RF equipment, making it relevant to amateur-radio operators, communications technicians, and electronics experimenters. As a Heathkit product, it was...
