Input A, B, C, D Ac Voltage Accuracy Test (Lf) - Fluke ScopeMeter 190-202 Service Manual
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Fluke 190-062, -102, -104, -202, -204, -502, -504
Service Manual
Input A, B, C, D AC Voltage Accuracy Test (LF)
The test steps for channel C and D are only for the models
190-104, 190-204, and 190-504.
This procedure tests the Volts ac accuracy with dc-coupled inputs up to 50 kHz.
The high frequencies are tested in sections, Input A AC Voltage Accuracy (HF) &
Bandwidth Test and Input B AC Voltage Accuracy (HF) & Bandwidth Test.
To prevent possible electrical shock, fire, or personal injury,
ensure that the calibrator is in standby mode before making any
connection between the calibrator and the Test Tool.
Dangerous voltages are present on the calibration source and
connection cables during these steps.
Proceed as follows to test the Input A, B, C, and D automatic scope ac Voltage
measurement accuracy:
1. Connect the Test Tool to the 5502A as shown in Figure 4-4.
2. Select the Test Tool setup:
a) Recall the created setup (Creating a Standard Test Tool Setup). Press
b) Press
c) Select
d) Press
e) Select
f) Press
g) Select
h) Press
i) Select
j) Press
3. Press
4. Press
the
Reading 1, on A, V ac
Reading 2, on B, V ac
Reading 3, on C, V ac
Reading 4, on D, V ac
4-14
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Warning
SAVE
F2
,
(
RECALL) and
name, and press
ENTER
to recall the setup.
A
, then press
Attenuator: Normal | Bandwidth: 10 kHz or 20 kHz for the available
(2 mV/d and 5 mV/d) or
setting in the ScopeMeter
(other ranges).
B
, then press
Attenuator: Normal | Bandwidth: 10 kHz or 20 kHz for the available
(2 mV/d and 5 mV/d) or
setting in the ScopeMeter
(other ranges).
C
, and then press
Attenuator: Normal | Bandwidth: 10 kHz or 20 kHz for the available
(2 mV/d and 5 mV/d) or
setting in the ScopeMeter
(other ranges).
D
, then press
Attenuator: Normal | Bandwidth: 10 kHz or 20 kHz for the available
(2 mV/d and 5 mV/d) or
setting in the ScopeMeter
(other ranges).
CLEAR
to clear the softkey menu and see the full 8-divisions display.
SCOPE
.
F2
(–
...) and select with
READING
:
Note
select
, press
ENTER
SETUP
F4
(
INPUT A OPTIONS
| Bandwidth: 20 MHz
F4
(
INPUT B OPTIONS
| Bandwidth: 20 MHz
F4
(
INPUT C OPTIONS
| Bandwidth: 20 MHz
F4
(
INPUT D OPTIONS
| Bandwidth: 20 MHz
F1
, select the setup
...).
...).
...).
...).
(–
and
READINGS)
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