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23
4
CALIBRATION PROCEDURE
23
CALIBRATION PROCE
DURE
Chapter
4
4-1.
How to calibration
"Calibration" refers to an operation whereby matching between the F350 and a strain gauge sensor
is obtained. The F350 uses the two calibration methods as described below.
■
Equivalent input calibration
Calibration is performed without an actual load by entering the rated output value (mV/V) and the
capacity (to be indicated) of the strain-gage sensor by the keys. Calibration is easily performed
when no actual load is available.
For example,
for load
:
2.001mV/V
-
100.0kgf
for pressure
:
2.002mV/V
-
10.00kgf/cm
2
for torque
:
2.502mV/V
-
15.00kgf
・
m
Gain will be automatically decided by registering the values indicated as follows.
■
Actual load calibration
This approach provides calibration by applying an actual load to the strain gauge sensor and
inputting the actual load value. This calibration is without little errors and more correct.
* Perform either actual load calibration or equivalent input calibration.
If an actual load cannot be applied, make sure to perform equivalent input calibration
alone.
4
CALIBRATION PROCEDURE
A data sheet will be attached to a strain gauge sensor you buy.
On the data seat, the following values are listed.
Capacity
Rated Output
Non-Linearity
Hysterisis
Input Resistance
Output Resistance
Zero Balance etc.
The Capacity and the Rated Output are necessary values for the equivalent input
calibration. Input these two values to F350.
POINT