* Plug Type.
* Three pairs of ratio arms are each 10, 100, 1000 ohms.
* Resistance arms contains 16 coils from 1 to 5000 ohms with infinity plug.
* Two spring keys having contact for battery and galvanometer fitted.
* Range 0-32%, 0.2% minimum scale.
* For mid range, including fruit juices, canned goods with sugar content 0.29%.
* For high range sugar content as honey, Range: 59-92%