User`s guide

33
U1273A/U1273AX Handheld Digital Multimeter
User’s Guide
Agilent Technologies
2
Making Measurements
Crest Factor 34
Measuring AC Voltage 35
Using the LPF (Low Pass Filter) function for AC measurements 37
Measuring DC Voltage 39
Using the Filter Function for DC measurements 42
Measuring AC and DC Signals 43
Using the LPF (Low Pass Filter) Function for AC+DC measurements 45
Using Z
LOW
for Voltage Measurements 49
Measuring Resistance 51
Measuring conductance 53
Testing for Continuity 54
Using Smart Ω for Resistance Measurements 57
Tes ti ng Di o d e s 60
Using Auto-diode for Diode Tests 64
Measuring Capacitance 66
Measuring Temperature 68
Measuring AC or DC Current 72
% Scale of 4-20 mA or 0-20 mA 78
Measuring Frequency 81
Measuring pulse width 84
Measuring duty cycle 85
The following sections describe how to take measurements
with your multimeter.