Cooper Instruments & Systems WTM 502 Wire Tension Meter - Manual (Page 5)

Sample display
2. This example shows the wire is a 7/16”, 6X19 stranded cable and the unit of measure is lbf. Place the
WTM 502 so the two outside sheaves hang on the wire. Insure that the wire rope is riding in the
groove of all three sheaves. See Figure 4. Press the Zero softkey to zero the display
0 should be displayed.
3. Raise the lever arm until it locks in the upright position to apply tension to the wire. Read the line
tension on the display.
4. Release the lever arm and you are ready to perform another measurement.
FIGURE 4. WTM 502 ATTACHED TO CABLE
Take readings at three different places along the cable, moving the tension meter at least four
inches for each reading. Take the average of the readings. The built-in average function is ideal
for this task.
The handle quick release pin should be used when the WTM 502 is attached to a cable that will
be de-tensioned and retensioned. The pin prevents the handle from opening once the tension
falls to a small level. The pin should also be used if the WTM 502 will be installed for a prolonged
period.
Press the WIRE key to list the stored calibrations.
CF 142 3 V 08/09/05