5.3 Basic Measurement Functions ......................................................................................................32
5.3.1 To Measure DC Voltage ......................................................................................................33
5.3.2 To Measure DC Current ......................................................................................................35
5.3.3 To Measure AC Voltage ......................................................................................................38
5.3.4 To Measure AC Current ......................................................................................................40
5.3.5 To Measure Resistance ....................................................................................................... 42
5.3.5.1 2WR Measurement ..............................................................................................42
5.3.5.2 4WR Measurement ..............................................................................................44
5.3.6 To Measure Capacitance ....................................................................................................46
5.3.7 To Test Continuity .................................................................................................................48
5.3.8 To Check Diode .....................................................................................................................50
5.3.9 To Measure Frequency/Period .........................................................................................52
5.3.9.1 Measure Frequency .............................................................................................52
5.3.9.2 Measure Period .....................................................................................................54
5.3.10 Any Sensor Measurement .................................................................................................56
5.3.10.1 To Measure the Temperature Sensor ............................................................ 58
5.3.10.2 To Measure User-defined Sensor ................................................................... 63
5.4 2ND Measurement ........................................................................................................................... 67
5.5 Preset Mode ........................................................................................................................................70
5.6 Math Operation ................................................................................................................................. 71
5.6.1 Statistics ...................................................................................................................................73
5.6.2 Limit .......................................................................................................................................... 74
5.6.3 dBm ...........................................................................................................................................76
5.6.4 dB ...............................................................................................................................................78
5.6.5 Relative .................................................................................................................................... 80
5.7 Graph Display .....................................................................................................................................81
5.7.1 Trend Graph ........................................................................................................................... 81
5.7.2 Histogram ...............................................................................................................................83
5.7.3 Bar Chart ................................................................................................................................. 88
5.8 Trigger ...................................................................................................................................................91
5.8.1 Auto Trig ..................................................................................................................................92
5.8.2 Single ........................................................................................................................................95
5.8.3 External Trigger .....................................................................................................................97
5.9 Screen Image ......................................................................................................................................99
5.10 Customized Menu .......................................................................................................................... 100
5.11 System Utility Function Setting ..................................................................................................101
5.11.1 NET Setting ..........................................................................................................................102
DM858 Series User Guide
II
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