Post Office Box Dial type
: with 6-decades, four series dials for resistance 1,10, 100 & 1000 ohms and 2-Ratiao dials.
- Two terminals are provided for using the series dials as one ordinary dial type resistance box.
- with in Built Galvanometer
- Range of measurement is 0.001 ohm to 1, 11, 10000 ohms.