User manual
T-TEST K12
Vers.
EN-02_18 AVC
Date:
(IT 27_07_13 ver. 2 AM)
- 21 -
The T-TEST K12 equipment, as any other measurement device of its
kind, can only read voltage values (i.e. tension). In order to convert and
visualize Volt readings in different electric (e.g. mA) or engineering
(e.g. mm, °C, bar) values, it is necessary to properly program each
input channel of the unit by using the correct calibration table.
There are two ways to input calibration values:
•
Automatic
•
Manual
The automatic procedure involves the availability of further devices,
varying according to the sensors to be calibrated (in this place we will
not discuss such details).
For manual calibration procedure the calibration certificates normally
supplied with the measuring sensors are used.
The calibration table of the T-TEST K12 accepts up to ten calibration
points and they are sufficient to ensure that an optimal signal curve is
achieved, even in case of poor linearity sensors.
For most sensors having a good linearity entering only just two
calibration points is more than enough and, generally, these two values
are represented by the sensor range limits (highest and lowest).
Ex.:
Displacement transducer
Measuring range
0,00 - 50,00 mm
Electric output
0,00 - 2,50 Volt
If you have a look at the calibration table in a certificate you will find
something like this:
Electric output
Corresponding
engineering
measurement
VOLT
mm
0.0425
50,00
1.250
25,00
2,43520
0,00