Input A & B Ac Coupled Lower Frequency Test - Fluke 199B Service Manual

Fluke 19xB-19xC-2x5C
Service Manual
1)
2 mV/div
Set input A&B Bandwidth 10 kHz
to prevent OL due to calibrator
noise: see step 2.
5 mV/div (Select 20 μs/div).
Set input A&B Bandwidth 20 MHz
10 mV/div
20 mV/div
50 mV/div
100 mV/div
200 mV/div
500 mV/div (Select 10 ms/div)
500 mV/div (Select 20 μs/div)
1 V/div
2 V/div
5 V/div
10 V/div
20 V/div
50 V/div
100 V/div
1)
C versions only
4.6.4 Input A & B AC Coupled Lower Frequency Test
Proceed as follows to test the ac coupled input low frequency accuracy:
1. Connect the test tool to the 5500A as for the previous test (see Figure 4-3).
2. Select the following test tool setup:
4-12
Table 4-3. Volts AC Measurement Verification Points
Range
(Select 10 ms/div)
•
Recall the created SETUP 1 (see section 4.4.3): press
select
SCREEN+SETUP
•
Press
•
Press
READING 1
•
Press
READING 2
•
Press , then using
•
Press , then using
5500A output
V ac Frequency
4 mV 60 Hz
10 mV 20 kHz
20 mV 20 kHz
40 mV 20 kHz
100 mV 20 kHz
200 mV 20 kHz
400 mV 20 kHz
900 mV 60 Hz
900 mV 20 kHz
2 V 20 kHz
4 V 20 kHz
9 V 20 kHz
20 V 20 kHz
40 V 20 kHz
90 V 20 kHz
200 V 20 kHz
, press
1 RECALL SETUP
, and select
on A |
, and select
on B |
select
COUPLING AC
select
COUPLING AC
Input A&B Reading
3.0 mV to 5.0 mV
8.3 mV to 11.7 mV
18.0 mV to 22.0 mV
37.5 mV to 42.5 mV
96.0 mV to 104.0 mV
180 mV to 220 mV
375 mV to 425 mV
877 mV to 923 mV
863 mV to 937 mV
1.80 V to 2.20 V
3.75 V to 4.25 V
8.63 V to 9.37 V
18.0 V to 22.0 V
37.5 V to 42.5 V
86.3 V to 93.7 V
180 V to 220 V
,
RECALL
.
.
V ac
.
V ac
,