Description
● Used as a standard resistance in laboratory work in schools. Resistance values are adjusted by removing the brass pegs.
● Comprises of a coils of constantan wire non-inductively wound, double silk covered with precise resistance values housed in polished wooden box with a bakelite cover. The top has split brass blocks with precision cut tapered holes to accommodate brass plugs with a fluted top with resistance values mentioned on top. The ends
are fitted with two 4mm terminals.
CODE | RANGE | TOTAL OHMS (Ω) | NO. OF COILS |
01 | 1 – 50 | 110 | 8 |
02 | 1 – 100 | 210 | 9 |
03 | 1 – 500 | 1110 | 12 |
04 | 1 – 1000 | 2110 | 13 |
05 | 1 – 5000 | 11110 | 16 |
06 | 1 – 10000 | 21110 | 17 |