U1271A/U1272A Handheld Digital Multimeter
User’s Guide
2
Making Measurements
Crest Factor 56
Measuring AC Voltage 57
Using the LPF (Low Pass Filter) Function for AC measurements 59
Measuring DC Voltage 60
Using the Filter Function for DC measurement 63
Measuring AC and DC Signals (U1272A only) 64
Using the LPF (Low Pass Filter) Function for AC+DC measurements 65
Making dB Measurements (U1272A only) 66
Using Z
LOW
for Voltage Measurements (U1272A only) 68
Using Qik-V for Voltage Measurements (U1271A only) 70
Measuring Resistance 71
Measuring Conductance 73
Testing for Continuity 74
Using Smart Ω for Resistance Measurements (U1272A only) 77
Testing Diodes 80
Using Auto-diode for Diode Tests (U1272A only) 84
Measuring Capacitance 86
Measuring Temperature 88
Measuring AC or DC Current 93
% Scale of 4-20 mA or 0-20 mA 98
Frequency Test Mode 101
Measuring frequency 102
Measuring pulse width 104
Measuring duty cycle 105
The following sections describe how to take measurements
with your multimeter.
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