83Y253 Z-52 SWR and Z-Bridge

Measures SWR from 1 to 50 mc. Indicates impedance on frequencies
up to 100 mc. Use a separate VOM as a null indicator. Can be used
with 20-400 ohm lines. has 1% calibrating resistor. Size: 2 1/2" x 3 1/2" x 4".

Weight: 9.5 lbs