User`s manual

78
Magtrol WB/PB DynamometersChapter 6 – Calibration
6.4.3 WB/PB 115 SerieS




Figure 6–4 WB/PB 115 Overload Protection Calibration
1. Mount the calibration arms. (See Section 6.1.1 – Calibration Arms.)
2. Place 100% of the calibration weight on the arm on the connector side.
3. Loosen the nut
 and adjust the screw  to decrease the torque slightly.
4. Place 200% of the calibration weight on the arm on the connector side.
5.
Adjust the screw  so that the display indicates 150% of the nominal torque.
6. Tighten the nut
.
7. Move the 100% calibration weight onto the opposite arm.
8. Loosen the nut
 and adjust the screw  to decrease the torque slightly.
9.
Place 200% of the calibration weight on the arm.
10.
Adjust the screw  so that the display indicates 150% of the nominal torque.
11.
Tighten the nut .
12.
Remove the calibration weight and arms.