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Protege 9 experience

This last week I have been doing random measurements with both the EC and the JR counter. The ratio between the devices should be 23.636363.. and I have found that to be the case. I have been extremely careful when doing this experiment.

However, if you aren't careful the electronic counter will add revolutions with a slight movement of the wheel. If one extra revolution is added, then your course could be short by about 7'. How many times does a measurer stop? If this happens then errors could occur.

Certifiers have no way in knowing how careful a measurer has been in doing their work. This type of error can't happen with the JR Counter.
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