Operator`s manual

3 Signametrics
TABLE OF CONTENTS
1.0 INTRODUCTION.................................................................................................................................................7
1.1 SAFETY CONSIDERATIONS..........................................................................................................................7
1.2 MINIMUM REQUIREMENTS .........................................................................................................................8
1.3 FEATURE SET .............................................................................................................................................8
2.0 SPECIFICATIONS...............................................................................................................................................9
2.1 DC VOLTAGE MEASUREMENT ...................................................................................................................9
2.2 DC CURRENT MEASUREMENT....................................................................................................................9
2.3 AC VOLTAGE MEASUREMENTS..................................................................................................................9
2.3.1 AC Voltage True RMS Measurement.......................................................................................9
2.3.2 AC Peak-to-Peak Measurement (SM2042, SM2044).............................................................10
2.3.3 AC Crest Factor Measurement (SM2042, SM2044)..............................................................10
2.3.4 AC Median Value Measurement (SM2042, SM2044)............................................................10
2.4 AC CURRENT MEASUREMENT, TRUE RMS..............................................................................................11
2.5 RESISTANCE MEASUREMENTS..................................................................................................................12
2.5.1 2-wire and 4-wire...................................................................................................................12
2.5.2 6-wire Guarded Resistance Measurement (SM2044) ............................................................12
2.6 LEAKAGE MEASUREMENT (SM2044).......................................................................................................12
2.7 RTD TEMPERATURE MEASUREMENT (SM2042, SM2044) ......................................................................12
2.8 ADDITIONAL COMPONENT MEASUREMENT ..............................................................................................13
2.8.1 Diode Characterization .........................................................................................................13
2.8.2 Capacitance Measurement (SM2042, SM2044) ....................................................................13
2.8.3 Inductance Measurement (SM2044)......................................................................................13
2.8.4 In Circuit AC-Based Capacitance Measurements (SM2044) ................................................13
2.9 TIMING MEASUREMENTS (SM2042, SM2044).........................................................................................14
2.9.1 Threshold DAC ......................................................................................................................14
2.9.2 Frequency and Period Measurement.....................................................................................14
2.9.3 Duty Cycle Measurement.......................................................................................................14
2.9.4 Pulse Width............................................................................................................................15
2.9.5 Totalizer.................................................................................................................................15
2.10 TRIGGER FUNCTIONS..............................................................................................................................15
2.10.1 External Hardware Trigger .................................................................................................15
2.10.2 Analog Threshold Trigger....................................................................................................15
2.11 SOURCE FUNCTIONS (SM2044)..............................................................................................................15
2.11.1 DC Voltage Source ..............................................................................................................15
2.11.2 AC Voltage Source...............................................................................................................15
2.11.3 DC Current Source ..............................................................................................................16
2.12 ACCURACY NOTES .................................................................................................................................17
2.13 OTHER SPECIFICATIONS .........................................................................................................................18
3.0 GETTING STARTED.........................................................................................................................................19
3.1 SETTING THE DMM..................................................................................................................................19
3.2 INSTALLING THE DMM MODULE .............................................................................................................19
3.3 INSTALLING THE SOFTWARE.....................................................................................................................19
3.4 DMM INPUT CONNECTORS ......................................................................................................................20
3.5 STARTING THE CONTROL PANEL ..............................................................................................................21
3.6 USING THE CONTROL PANEL ....................................................................................................................22
4.0 DMM OPERATION AND MEASUREMENT TUTORIAL...........................................................................24
4.1 VOLTAGE MEASUREMENT........................................................................................................................24
4.1.1 DC Voltage Measurements ....................................................................................................24
4.1.2 True RMS AC Voltage Measurements ...................................................................................24
4.1.3 AC Peak-to-Peak and Crest Factor (SM2042, SM2044).......................................................25
4.1.4 AC Median Value Measurement (SM2042, SM2044)............................................................25