Instron 4400 Series Operator's Manual page 103

Universal testing system
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EXAMPLE:
If a 2518 Series cell is installed and is to be used over its
full capacity in metric units (50 kg), then the calibration
weight should be no less than 20 kg.
(e) Press the LOAD CAL key. The Main Panel Display
shows the maximum capacity of the cell and the
LOAD CAL LED lights
(f) On the numeric keypad, key in the actual value of the
calibration weight in the system of units in use (S.I.,
English or metric).
(g) Press ENTER. After about 6 seconds, the LOAD
CAL LED goes out and the display goes blank indi-
cating that calibration is completed.
(h) Remove calibration weight and fixture from the load
cell. If you are calibrating a compression cell, install
it in the crosshead.
(i) Press the LOAD BAL key. The LOAD BAL LED
lights.
(j) Press ENTER. After about 3 seconds, the LOAD BAL
LED goes out indicating that the balance function is com-
pleted (see Load Weighing System Balance on page 5-15.)
Load Calibration
5-11

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