HD-1250 Grid Dip Meter

Usable as oscillator or absorption wavemeter

Frequency Range: 1.6-250mHz using 7 plug-in coils supplied with kit

Meter Movement: 150 microamperes

Phone jack for modulation monitoring

Circuit: Colpitts oscillator, MOSFET paraphase amplifier, hot-carrier diodes & Q-multiplier

Power Supply: 9 volt battery

Physical Specifications: Length 5 7/8", Width 2 5/16", Height 2"

4 lbs.  
1981:  $69.950