Available in two versions with basic accuracies of either ±0.025% or ±0.01%. Resistors used are low reactance types permitting the RDS to be used from dc through audio frequencies. Zero resistance is 0.0015?/decade. Numerical readout is positive and in-line. Switches are low noise “thermal-free” types with self cleaning contacts.
Res. LSD = Resolution of Least Significant DecadeRes. MSD = Resolution of Most Significant Decade
| # of Decades |
Model # |
Res. LSD (Ohms) |
Res. MSD (Ohms) |
Max R (Ohms) |
| 4 |
41 |
0.01 |
10 |
111.1 |
| 42 |
0.1 |
100 |
1,111 |
| 43 |
1 |
1000 |
11,110 |
| 44 |
10 |
10,000 |
111,100 |
| 45 |
100 |
100,000 |
1,111,000 |
| 46 |
1000 |
1000000 |
11,110,000 |
| 47 |
10,000 |
10,000,000 |
111,100,000 |
| # of Decades |
Model # |
Res. LSD (Ohms) |
Res. MSD (Ohms) |
Max R (Ohms) |
| 5 |
52 |
0.01 |
100 |
1111.1 |
| 53 |
0.1 |
1000 |
11,111 |
| 54 |
1 |
10,000 |
111,110 |
| 55 |
10 |
100,000 |
1,111,100 |
| 56 |
100 |
1,000,000 |
11,111,000 |
| 57 |
1,000 |
10,000,000 |
111,110,000 |
| # of Decades |
Model # |
Res. LSD (Ohms) |
Res. MSD (Ohms) |
Max R (Ohms) |
| 6 |
63 |
0.01 |
1000 |
11,111.1 |
| 64 |
0.1 |
10,000 |
111,111 |
| 65 |
1 |
100,000 |
1,111,110 |
| 66 |
10 |
1,000,000 |
11,111,100 |
| 67 |
100 |
10,000,000 |
111,111,000 |
| # of Decades |
Model # |
Res. LSD (Ohms) |
Res. MSD (Ohms) |
Max R (Ohms) |
| 7 |
74 |
0.01 |
10,000 |
111,111.1 |
| 75 |
0.1 |
100,000 |
1,111,111 |
| 76 |
1 |
1,000,000 |
11,111,110 |
| 77 |
10 |
10,000,000 |
111,111,100 |