A&D AS2503, Instruction Manual

Page: 24 / 90

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2.2 How to Set Calibration Value (CAL) (Entering strain)
The indicated value is calculated value based on input. The value can be set
from 1με to 9999με
by a step of 1με (=10 -6
). Values should be set for each digit (Figure 2-3). Pressing calibration value
setting knob
⑫
(Figure 2-3) illuminates the fourth digit of calibration value LED
⑬
. Turning the
switch changes the value on
⑬
. Even the indication is blinking, the setting is being made.
Press the knob when your target value is indicated. In this case, blinking of
⑬
turns to
illuminating (value fixed), and then the third digit starts blinking. Repeat this step up to the first digit.
After the first digit comes on and then all digits illuminates, calibration value setting completes. To
change the calibration value, repeat the steps above. The value is based on the equivalent value for
gauge factor 2.00 and one gauge configuration. For strain gauge-type transducer, set and calculate
the value based on 1mV/V=2000με.
■
Calibration value setting
Figure 2-4
The fourth digit blinks. Press calibration setting knob
⑫
Turn calibration setting knob
⑫
to set the value to 5. Press
⑫
.
Indication 0 at the first digit
blinks. Press
⑫
once as a
value change for the first
digit is not necessary.
Four dsetting
completes
Indication 5 at the fourth digit
comes on and 0 at the third digit
blinks. Press
⑫
twice as value
changes for the third and
second digits are not necessary.
For strain input (
μ ε
)
Calibration value
(CAL) setting range
Forth Digit Third Digit Second Digit First Digit
1 to 9999 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9
First digit
Second digit
Third digit
Fourth digit
Figure 2-3
Calibration value (CAL)