OFITE, 11302 Steeplecrest Dr., Houston, TX 77065 USA / Tel: 832-320-7300 / Fax: 713-880-9886 / www.ote.com 16
EP Test
Reporting Test Results
EP Test
Measurements and
Calculations
Width
Length
1. Record the lowest torque wrench reading (in in-lb) at which the seizure
occurred.
2. Record the average torque reading on the screen at which the seizure
occurred.
3. Record the following at the conclusion of a pass or if a 5-minute test does
not produce a seizure.
a. Torque meter reading in in-lb.
b. Scar width in inches.
c. Film strength in psi. This value must be calculated.
d. Torque reading on the display screen in pounds divided by 10 =
Average current in amps.
To calculate the Film Strength of the test uid:
1. To measure the scar length and width on the block, use a magnier (#111-
11) calibrated to read 0.005" (90.0127 cm). Place the magnier at the
center of the scar parallel to the edges.
a. The width of the scar is parallel to the long axis of the block.
b. The length of the scar is parallel to the small axis of the block.
To Next Page
Loading...
