50 (E)
LT20A / LT30 Series
LT20
mm
M A X M I N P ―P C P H1 2 3 4
P
RESET
SET
P
MODE COMP
mm
M A X M I N P ―P C P L1 2 3 4
P
A+B
BA
A
RESET
B
Erroneous counting.
Accuracy cannot be
obtained
Data cannot be obtained
after replacement of the
previous LT model.
(when RS-232C output)
• Check that the grownding is made correctly.
• Is there a large amount of noise?
• Check the power voltage is in the specified range.
• Check to see if the unit occasionally miscounts.
• Check for any mechanical trouble that may affect accuracy.
(Any trouble due to machine adjustment, deflection on play.)
• Check to see if the temperature difference between the measuring unit, machine and
workpiece is great.
Is the plus sign of the output data set properly?
(previous LT model: output space as a plus sign)
LL
LL
L Cleaning
To remove heavy dirt
Use dry cotton cloth.
To clean the display and casing
Use diluted neutral
detergent.
Do not use.
neutral
detergent
alcohol
thinner
benzine
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