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Atlas Copco BLM 3750 - Page 56

Atlas Copco BLM 3750
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Working with Torque Supervisor BLM 3750 User Guide
56 (78) 9836 3078 01 Edition 2.0
When a Cm-Cmk test is run and the double test option is enabled (typically this can be set by Torque
Supervisor), the graph and the results area show the bench and tool readings at the same time:
The Wirkungsgrad is calculated for every test as the ratio of Torque to Tool Torque; the displayed value
is the average of all of the values calculated for each individual test.
A value close to 100 means that the bench and tool readings are aligned in terms of average (not
dispersion). A value other than 100 indicates an offset between bench and power tool readings (in this
case, this number can be used to correct the power tool results).

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