Transducer Calibration (cont.)
Press the Enter key to display the readings for “- P1”. The display will now show what the TorqueMate®
Plus “thinks” is point one in the CCW direction. Use the Scroll Up (increase) and Scroll Right
(Decrease) keys to make the TorqueMate® Plus read the torque applied with the weights. Press the
Enter key when the value is correct. Make sure the weights are not swinging, otherwise you will have
unstable readings.
The TorqueMate® Plus will now show “- P2” which means it is time to input point 2 in the CCW direction
as you did with point one. Point 2 should always be 50% of the full scale range of the transducer.
Press Enter and place the appropriate weights for point two. Make the
TorqueMate® Plus read what is correct for - P2 by pressing the Scroll
keys. When the TorqueMate® Plus reads the proper torque for point
two in the CCW direction press Enter and repeat for point three (always
the full scale value since it is the last point in that direction).
After entering the third point in the CCW direction, the display will show “+P0”. This means that the
TorqueMate® Plus is waiting for you to enter the zero point in the clockwise direction (offset). Exercise
the trans-ducer to full scale in the clockwise direction three times and let the transducer stabilize with no
load for 30 seconds. Press the Scroll Right key to accept the clockwise Zero point. Proceed in the
clockwise direction as you did in the Counterclockwise direction for points “+P1”, “+ P2” and “+P3”.
After pressing Enter for the third point in the clockwise direction (+P3), before you remove the weights,
the TorqueMate® Plus will go directly into the operation mode and should display the full scale torque in
the clockwise direction. Remove the weights and make sure you have labeled the transducer with the
proper transducer code number for future reference.
If you are going to check the accuracy of the calibration. Place unit in track mode and remove all
weights, exercise the transducer three times in the direction you are going to
check and press the Scroll
Right and Scroll Up keys to automatically
adjust the zero (offset). Apply the weights in increasing order
and check for accuracy. Repeat for all transducers to be calibrated.
Calibration intervals are dependent on the amount that a transducer is used. We recommend that you
check the transducer every month at first. If the calibration is within specs after the first few months,
increase the interval to 3 months. If you still find that the unit is in calibration increase the interval to 6
months.
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Note: Calibration Intervals
Mountz Service Centers will calibrate and certify any transducer or
transducer / display to N.I.S.T. It is recommended that this happen
every 6 months but calibration intervals should be based on usage.
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