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b) Standard Resistors Application:
Connect a decade box or standard resistors to the Probe connector, at
positions RTD1, RTD2, RTD3 and RTD4, as shown above.
Pressure Adjustment
By selecting Press (ENTER), it shows the sub-menu:
Pressure input adjustment is only completed after calibrating the options:
V_1, V_2, P1 and P2. Note that P1 and P2 refer to two pressure sensors chosen
from P option in CONF menu
The V_1 and V_2 adjustment is performed only at the factory.
The calibrations of the sensors associated to mnemonics P1 and P2 consist of
the application of two pressure values close to zero and full scale (FS) of the
pressure sensor. Store the values of the 1
st
keys 1 (1
point) and 2 (2
Resistors
20.000
R_2
100.000
R_1
V_1
P1
nd
point).
st
nd
1
point
2
50.000
500.000
V_2
P2
st
nd
and 2
calibration points by means of
point
Page 52
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