Click here to view our office opening times and last shipping dates for over the festive season.
Cropico RBB Series

Cropico RBB Series

High accuracy decade boxes with versatile wide ohm range

- Total Range 11.111MΩ
- Accuracy 0.05% for premium dials
- Smallest Steps 0.001Ω


Cropico RBB Series

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 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 930176
RBB6-C 6 11,112.1Ω 0.01 0.025 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

Request a Quote


Need Help?

Explore our support knowledge base

Stay in the know
Sign up to our mailing list today to stay up to date with the latest industry news and information from Seaward.

I'd like to talk to a sales advisor

Our team of sales advisors are on hand to help you with any queries you have about our products.
;