6
Performance Tests and Calibration
Table 6-4
Adjustment table (continued)
Step
Test Function
6
Turn the rotary switch to the
[a]
position
7
Turn the rotary switch to the
Hz/
position (for model
U1252B), to
(for model U1251B)
8
Turn the rotary switch to the
/
position
172
Cal Range
1000 mV
Short
50 M
5 M
500 k
50 k
5 k
500
Short
position
2 V
Open
Input
300 mV, 20 kHz *
30 mV, 1 kHz
1000 mV, 1 kHz
1000 mV, 20 kHz*
Dual Banana Plug
with copper wire
short between 2
terminals
Input terminal open
(remove any test
leads and Short
Plugs from the
input terminal)
10 M
3 M
300 k
30 k
3k
300
Dual banana
shorting plug with
copper wire
2 V
Input terminal open
(remove any test
leads and Short
Plugs from the
input terminal)
Keysight U1251B and U1252B User's and Service Guide
Cal Item
U1251B
U1252B
30.000 mV
300.00 mV
0030.0 mV
0030.0 mV
1000.0 mV
1000.0 mV
30.000 mV
1000.0 mV
SHort
SHort
oPEn
oPEn
10.000 M
10.000 M
3.0000 M
3.0000 M
300.00 k
300.00 k
30.000 k
30.000 k
3.0000 k
3.0000 k
300.00
300.00
SHORT
SHORT
2.0000 V
2.0000 V
oPEn
oPEn