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PRESYS
Instruments
6.0 - Calibration
Warning: Enter the following options only after understanding them completely.
Otherwise, it may be necessary to return the instrument to the factory
for recalibration!
Select CAL option from the menu and press the ENTER key. You should then
enter the password (PASSWORD) 9875 to access the calibration menu.
The password functions as a protection to calibration ranges. After the passowrd
is entered, the menu displays the options:
You should then choose the input range (IN) as the output range (OUT) is not
available for the user. DATE is an option which allows you to record the date on which the
calibration was performed and once it has been filled in, it will be displayed every time
the calibrator is turned on.
Options for IN calibration are:
6.1 - Input Calibration
Select the corresponding mnemonic and apply the signals presented in the tables
below.
When calibrating inputs, the display shows on the 2
the calibrator and on the 1
Note that the applied signals just need to be close to the values shown in the
table.
Once the signal has been applied, store the values of the 1
calibration points, by pressing keys 1 (1
mV Input
mA Input
Single range
Input calibration for is performed in two steps:
IN
mV
mA
PROBE
st
line the same value is expressed as a percentage.
G4
G3
G2
G1
600,000 mV
0,0000 mA
TE -25N / TE-35N / TE-50N
OUT
OHM
st
nd
point) and 2 (2
st
1
point
0,000 mV
0,000 mV
0,000 mV
st
1
point
DATE
CJC
nd
line the value measured by
st
and the 2
point).
nd
2
point
70,000 mV
120,000 mV
600,000 mV
2400,000 mV
nd
2
point
20,0000 mA
nd
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