Super Systems 20PQ Calibration Manual - Manual (Page 7)

7
Calibration procedure for MKP - PKP
9.3) "
∀. ∀. ∀. ∀. ∀.
" - 10 V AUXILIARY INPUT CHECK
The lower and the middle display show " ∀ ∀ ∀ ∀ ∀.
" followed by the measured
value in counts (see fig 6).
The "A.I.10" "Hr" calibration is correct if the indication is equal to "
∀ ∀ ∀ ∀ ∀.
3
0000" + 10 counts.
a) Check the zero calibration, by setting the calibrator to 0.000 V, the
read-out must be equal to "
∀ ∀ ∀ ∀ ∀.
0 0000" + 10 counts.
b) Check the linearity by setting the calibrator to 5.000 V The read-
out must be "
∀ ∀ ∀ ∀ ∀.
1 5000" + 10 counts.
NOTE: when it is desired to use a different check point, the
following formula describes the ratio between the signal input and
the instrument read-out (in counts).
Instrument readout (in counts) =
input value
10 (V)
•
30000
c) Push FUNC pushbutton, the instrument will go to the next
calibration group.
10) "In.Ct" - CURRENT TRANSFORMER INPUT CALIBRATION
The upper display will show "In.Ct".
10.1) "Lr" - INITIAL SCALE VALUE
The lower display will show "Lr"
a) Made the specific hardware setting as described at paragraph 2.
b) Connect the instrument under test to the calibrator as shown in
Fig. 13.
Fig.13
c) The upper display will show "In.Ct", the lower display will show
"Lr" while "OFF" will appear on the middle display.
d) Set calibrator to 0.00 mA AC.
e) Push
▲ pushbutton, the middle display will change to "On".
f) After a few seconds, start the calibration by pushing FUNC
pushbutton. At the end of this calibration routine, the instrument
will go to the next step.
10.2) "Hr" - FINAL SCALE VALUE
The upper display will show "In.Ct", the lower display will show
"Hr" while "OFF" will appear on the middle display.
a) Set the calibrator to 50.00 mA AC.
b) Push
▲ pushbutton, the middle display will change to "On".
d) After a few seconds, start the calibration by pushing FUNC
pushbutton. At the end of this calibration routine, the instrument
will go to the next step.
10.3) " ∀. ∀. ∀. ∀. ∀.
" - CURRENT TRANSFORMER INPUT CHECK
The lower and the middle display show "
∀ ∀ ∀ ∀ ∀.
" followed by the measured
value in counts (see fig 6).
The "In.Ct" "Hr" calibration is correct if the indication is equal to " ∀ ∀ ∀ ∀ ∀.
0
1000" + 10 counts.
a) Check the zero calibration, by setting the calibrator to 0.00 mA AC,
the read-out must be equal to "
∀ ∀ ∀ ∀ ∀.
0 0000" + 10 counts.
b) Check the linearity by setting the calibrator to 25.00 mA AC. The
read-out must be "
∀ ∀ ∀ ∀ ∀.
0 0500" + 10 counts.
NOTE: when it is desired to use a different check point, the
following formula describes the ratio between the signal input and
the instrument read-out (in counts).
Instrument readout (in counts) =
input value
50 (mA AC)
1000
•
c) Push FUNC pushbutton, the instrument will go to the next
calibration group.
15
14
mA AC
Generator
11) "FEEd" - FEEDBACK INPUT CALIBRATION
The upper display will show "FEEd".
11.1) "Lr" - INITIAL SCALE VALUE
The lower display will show "Lr"
a) Made the specific hardware setting as described at paragraph 2.
b) Two resistors (1 K
Ω,
1/4 W, 1%) must be connected to the
instrument under test as shown in Fig. 14.
Fig.14
c) The upper display will show "FEEd", the lower display will show
"Lr" while "OFF" will appear on the middle display.
d) Made a short circuit between terminal 13 and 14.
e) Push
▲ push-button, the middle display will change to "On".
f) After a few seconds, start the calibration by pushing FUNC
push-button. At the end of this calibration routine, the instrument
will go to the next step.
11.2) "Hr" - FINAL SCALE VALUE
c) The upper display will show "FEEd", the lower display will show
"Hr" while "OFF" will appear on the middle display.
a) Remove the short circuit between terminal 13 and 14. Made a
short circuit between terminal 12 and 13.
b) Push ▲ push-button, the middle display will change to "ON".
d) After a few seconds, start the calibration by pushing FUNC
push-button. At the end of this calibration routine, the instrument
will go to the next step.
11.3) " ∀. ∀. ∀. ∀. ∀.
" - FEEDBACK INPUT CHECK
The lower and the middle display show "
∀ ∀ ∀ ∀ ∀.
" followed by the measured
value in counts (see fig 6).
The "FEEd" "Hr" calibration is correct if the indication is equal to " ∀ ∀ ∀ ∀ ∀.
0
1000" + 10 counts.
a) Check the zero calibration, by removing the short circuit between
terminal 12 and 13 and making a short circuit between terminal 13
and 14; the read-out must be equal to "
∀ ∀ ∀ ∀ ∀.
0 0000" + 10 counts.
b) Push FUNC push-button, the instrument will go to the next
calibration group.
12) "O5.ñA" - OUT 5 CALIBRATION.
The upper display will show "O5.ñA".
12.1) "Lr" - INITIAL SCALE VALUE
a) Connect the instrument under test to the calibrator as shown in
Fig. 15.
Fig. 15
b) The upper display will show "O5.ñA", the lower display will show
"Lr" while the middle display will show the actual zero offset in
counts (a number from 0 to 5000).
c) Using ▲ or ▼ push-button, adjust the instrument output until
0.000 mA +0.005 mA is shown by the calibrator.
d) After a few seconds, start the calibration by pushing FUNC
push-button. At the end of this calibration routine, the instrument
will go to the next step.
12
13
14
1 K
Ω
1 K
Ω
17
+
_
16