ACU-RITE DRO 200E - Manual (Page 24)

SETUP
DRO 200E
20
3. When prompted, use the keypad to enter the actual length of the stan-
dard and press E . “X LEC 1” and the “LEC” value are displayed.
You can press the Y key to repeat this process for the same segment to
verify if the error is repeatable.
4. Press the X key to begin the next segment or, if all segments are com-
plete, to advance to the next axis.
Repeat this procedure for each segment of each axis.
(
S - M
M
LEC =
)
x 1,000,000
S = Standard
length
M = Measured
length
Formula
Example
If the length of the standard you used is
10” and the measured length along the X-
axis is 9.995”, then the LEC for the X-
axis is 500 parts per million (PPM).
(
10 - 9.995
9.995
LEC =
)
x 1,000,000
LEC = 500 PPM
(rounded to the nearest
whole number)
8.1250
Opposite sides
1. Move to the first side of the
standard and press
E .
2. When prompted, move to the
second side of the standard
and press
E .
8.0000
Same side
ENTER
ENTER
To calculate linear error compensation use this formula: