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Magtrol WB/PB Dynamometers
6.2
CALIBRATION WITH MAGTROL MOTOR TESTING ELECTRONICS
When standard Magtrol motor testing electronics are used in the test bench (Magtrol DSP Controller
and TSC Torque/Speed Conditioner), the calibration procedure as described in the
Manual
6.3
CALIBRATION USING NON-MAGTROL ELECTRONIC CONTROL UNITS
When a Magtrol TSC Torque/Speed Conditioner and DSP Controller are not used in the test bench,
the calibration must be carried out by using the following procedure:
1. Mount the calibration arms.
2. Adjust the zero (0) on the electronic control unit. The dynamometer shaft must rotate freely
3. Hang the calibration weight from one of the calibration arms.
4. Adjust the electronic control unit to obtain the reading of the nominal dynamometer torque.
5. Move the calibration weight to the opposite calibration arm. The reading on the electronic
6. Remove the calibration arms.
6.4
CALIBRATION OF OVERLOAD PROTECTION
Calibration of the overload protection for WB/PB 43, 65 and 115 Series Dynamometers is performed
at the factory. However, it may be necessary to periodically check or confirm the protection of the
measuring cell by following the procedures outlined in Sections 6.4.1 through 6.4.3.
should be followed. Refer to Section 3 – Calibration for dynamometer calibration.
Note:
The User's Manuals for all Magtrol products can be accessed/
downloaded from Magtrol's web site: www.magtrol.com.
(the motor must be disconnected).
Note:
Use outer groove to achieve calibration in N·m when using weight
in kg.
unit should be the same (difference <1%). If this is not the case, remove the weights and
return to step #2.
Note:
WB/PB 15 Series Dynamometers do not have overload protection.
Note:
This does not apply to WB/PB 2.7 Series Dynamometers as the
overload stop is fixed and requires no setting.
75
Chapter 6 – Calibration
TSC 401 Instruction
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