Features and Functions 3
Agilent U1251A/U1252A User’s and Service Guide
67
1 ms Peak Hold
This function allows the measurement of half- cycle peak
voltage for analysis of components such as power distribu-
tion transformers and power factor correction capacitors.
The peak voltage obtained can be used to determine the
crest factor:
Crest factor = Peak value/True RMS value
1
Push
for more than 1 second to toggle 1 ms Peak
Hold mode ON / OFF.
2
Push
to scroll through maximum and minimum
peak readings.
MAX
indicates maximum peak,
while
MIN
indicates minimum peak.
3
Push
or
for more than 1 second to exit this
mode.
4
According measurements in
Figure 22
, the crest Factor
will be 2.5048/1.768 =1.416.
N O T E
•
If the reading is "
OL
", push
to change measuring range and to
re-start peak-recording measurement.
•
If you need to re-start peak recording, push
Содержание U1251A
Страница 1: ...Agilent Technologies Agilent U1251A and U1252A Handheld Digital Multimeter User s and Service Guide...
Страница 34: ...34 Agilent U1251A U1252A User s and Service Guide 1 Getting Started Tutorial...
Страница 37: ...Making Measurements 2 Agilent U1251A U1252A User s and Service Guide 37 Figure 3 Measuring AC voltage MAX...
Страница 43: ...Making Measurements 2 Agilent U1251A U1252A User s and Service Guide 43 Figure 8 Measuring frequency Push MAX...
Страница 47: ...Making Measurements 2 Agilent U1251A U1252A User s and Service Guide 47 Figure 11 Conductance measurement MAX...
Страница 74: ...74 Agilent U1251A U1252A User s and Service Guide 3 Features and Functions Figure 26 Log review mode operation...
Страница 112: ...112 Agilent U1251A U1252A User s and Service Guide 5 Maintenance Figure 52 Battery charging procedures...
Страница 114: ...114 Agilent U1251A U1252A User s and Service Guide 5 Maintenance Figure 53 Fuse replacement Fuse 1 Fuse 2...
Страница 116: ...116 Agilent U1251A U1252A User s and Service Guide 5 Maintenance...
Страница 120: ...120 Agilent U1251A U1252A User s and Service Guide 6 Accessories...
Страница 156: ...156 Agilent U1251A U1252A User s and Service Guide 8 Specifications...