LTSscale.com Page 23 of 28 REV F ā 2018.04.09
Code 9081 - Four-Point Linearity Calibration
A Four-Point Linearity Calibration is generally not required after initial installation. Single-Point
Calibration should be used. The Four-Point Calibration may be required in the event of load cell
replacement or weight loads of increasing value are not linear.
1.9. Unload scale, ensure that they are not touching the floor and are level.
Press SCALE ZERO key.
1.10. Remove rear cover plate from the indicator
1.11. Press keys 9081. Press ENTER key.
Note: Pressing ENTER will use current value on the scale as zero value.
1.12. DEL FACTORY CAL
Press DEL key to select YES. Press ENTER key.
1.13. ARE YOUR SURE?
Press DEL key to select YES. Press ENTER key.
1.14. CALIBRATION STEP #1 - Apply first test load.
For best results apply approximately 25% of scale capacity.
Wait until motion ceases.
Key in the value of the applied test load. Press ENTER key.
1.15. CALIBRATION STEP #2 - Apply second test load.
For best results apply approximately 50% of scale capacity.
Wait until all motion ceases.
If the reading is correct, press ENTER key.
If not, key in the value of the test load. Press ENTER key.
1.16. CALIBRATION STEP #3 - Apply third test load.
For best results apply approximately 75% of scale capacity.
Wait until all motion ceases.
If the reading is correct, press ENTER key
If not, key in the value of the test load. Press ENTER key.
1.17. CALIBRATION STEP #4
Apply fourth test load.
For best results apply approximately 100% of scale capacity.
Wait until all motion ceases.
If the reading is correct, press ENTER key.
If not, key in the value of the test load. Press ENTER key.
Calibration Complete
This completes the Four-Point Linearity Calibration.
CAL STEP # 1
WEIGHT = XXXX
CAL STEP # 2
WEIGHT = XXXX
CAL STEP # 3
WEIGHT = XXXX
CAL STEP # 4
WEIGHT = XXXXX
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