Cdi-torque MULTITEST Government User Manual download pdf (Page 72)

5-8

Calib ration

Torque/Force Calibrations

MULTITEST Torque/Force Transducer Calibration

Improper calibration can result in torque

measurement errors. Follow these procedures

precisely. If an error is made in the procedure, turn

the indicator off and begin again. Users are

responsible for the results of their transducer

calibration.

MULTITEST series torque/force transducers can only be

calibrated using the MULTITEST Indicator. Calibration data is

calculated and then stored in the EEPROM memory chip of the

transducer by the microcontroller in the Indicator.

Always be alert to the potential for personal injury

and equipment damage that may be caused by

excessive torque applications, careless handling of

heavy weights, and out-of-balance or unsafe weight

distribution.

Equipment

• Precision test arms and certified calibration weights.

• Test stand.

Procedure

1. With the MULTITEST Indicator ON, select TORQUE

measurement, TRACK mode, and select the UNITs of

measure appropriate to the transducer. Refer to the

calibration check point table in this chapter for the

transducer calibration check points, and specified arms,

hangers and weights.

2. Install the transducer being calibrated and allow a 5

minute warm up period to stabilize the electronic circuits

and transducer elements.

3. Mount the 4-in-1 transducer upright, drives vertical, as

shown in Figure 5-4, or mount single transducers

vertically using the accessory stand and block as

detailed in Figure 5-3. Attach the specified torque arm,

secured with the drive retention screw, and install the

specified hanger for clockwise (CW) torque application.

Use the “S” hook on the 2-1/2" or 5" bars.

4. Press CAL. LED display reads the following message

with least significant digit (LSD) flashing:

CODE0000

WARNING

IMPORTANT

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Cdi-torque MULTITEST Government User Manual Page 72

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