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High accuracy decade boxes with versatile wide ohm range
- Total Range 11.111MΩ
- Accuracy 0.05% for premium dials
- Smallest Steps 0.001Ω
Combining high quality, long life and permanence of calibration, the RBB Series offers an unbeatable selection of models. The reliability is built in as we use our own designed and manufactured switches combined with high quality wire wound resistors.
All units are supplied complete with certificate of conformity and all measurements are, of course, traceable to International Standards. Special models are available for temperature (Pt100) and insulation resistance simulation.
All units are supplied complete with certificate of conformity and all measurements are, of course, traceable to International Standards. Special models are available for temperature (Pt100) and insulation resistance simulation.
Technical Specifications
| RBB5 Series | RBB6 Series | Decade | Accuracy | Current Max mA | ||||||||
| B | C | D | E | F | B | C | D | E | F | |||
| ✔ | 10 x 0.001Ω | ±2% | 2000 | |||||||||
| ✔ | ✔ | ✔ | 10 x 0.01Ω | ±1% | 2000 | |||||||
| ✔ | ✔ | ✔ | ✔ | ✔ | 10 x 0.1Ω | ±0.5% | 2000 | |||||
| ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | 10 x 1Ω | ±0.2% | 600 | |||
| ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | 10 x 10Ω | ± 0.05% | 200 | |
| ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | 10 x 100Ω | ± 0.05% | 60 |
| ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | 10 x 1kΩ | ± 0.05% | 20 | ||
| ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | 10 x 10kΩ | ± 0.05% | 6 | ||||
| ✔ | ✔ | ✔ | ✔ | 10 x 100kΩ | ±0.1% | 2 | ||||||
| ✔ | ✔ | 10 x 1MΩ | ±0.1% | 0.6 | ||||||||
| Model | No. Decades | Total Resistance | Resolution | Suitable for Pt100 Simulation | Resolution °C when Simulating Pt100 | Residual Resistance | Part Numbers |
| RBB5-B | 5 | 1,112.1Ω | 0.01 | ✔ | 0.025 | 1Ω | 930171 |
| RBB5-C | 5 | 11,111Ω | 0.1 | 0.012Ω | 930172 | ||
| RBB5-D | 5 | 111,110Ω | 1 | 0.012Ω | 930173 | ||
| RBB5-E | 5 | 1.1111MΩ | 10 | 0.012Ω | 930174 | ||
| RBB5-F | 5 | 11,111MΩ | 100 | 0.012Ω | 930175 | ||
| RBB6-B | 6 | 1,112.11Ω | 0.001 | ✔ | 0.0025 | 1Ω | 930176 |
| RBB6-C | 6 | 11,112.1Ω | 0.01 | ✔ | 0.025 | 1Ω | 930177 |
| RBB6-D | 6 | 111,111Ω | 0.1 | 0.013Ω | 930178 | ||
| RBB6-E | 6 | 1.11111MΩ | 1 | 0.013Ω | 930179 | ||
| RBB6-F | 6 | 11.1111MΩ | 10 | 0.013Ω | 930180 |