CDI Torque MULTITEST Government - Manual (Page 74)

5-10
Calibration
14. Apply and release full scale torque to the transducer
three times in the CW direction, then remove the weights
and hanger. Leave the torque arm installed. Wait
approximately 15 seconds before applying weight
hangers and weights.
15. Press ENTER.
— For single transducers, the LED display momentarily
reads:
ZEROTARE and then LOAD + + 1
with the two plus signs alternating
— For 4-in-1 transducers, the LED display reads:
ZERO T1 through 4 as each transducer is scanned
— The LCD display reads:
*CALIBRATION* - upper line
Load transducer - lower line
16. Apply torque using the precision arm, hanger or certified
weights listed as calibration point 1 in the calibration
check point table in this chapter.
17. When the reading is stable, push and hold the up and
down VALUE keys to enter the exact torque value into
the LED display.
18. Press ENTER. LED display momentarily reads
O-K and then LOAD ++ 2
Apply the next calibration point torque from the chart and
press ENTER. Repeat for all five calibration points.
—LED display banners:
O-K,
MAX NUMBER OF CAL POINTS REACHED
SAVING
CAL SAVED
SELECT
— LCD display reads
Calibrate CW
19. Remove weight and remove the arm.
20. Select "Calibrate CCW” on the LCD display by pushing
the VALUE up key.
21. Repeat steps 7 through 18, applying all torque in the
counter clockwise (CCW) direction.
All readings show minus signs (-).
22. Press CAL to return to measurements mode.