F-1
7451A/7461A/7461P Digital Multimeter Operation Manual
LIST OF ILLUSTRATIONS
No. Title Page
3-1 Operating Environment ..................................................................................................... 3-3
3-2 Electrostatic Countermeasures for the Work Floor and Human Body ............................. 3-4
3-3 Electrostatic Countermeasures for the Workbench .......................................................... 3-4
3-4 Indication of the Set Power Supply Voltage ..................................................................... 3-8
3-5 Connecting the Power Cable ............................................................................................. 3-11
4-1 Front Panel Description ....................................................................................................4-1
4-2 Display Section Description ............................................................................................. 4-2
4-3 Rear Panel Description .....................................................................................................4-5
4-4 DC Voltage Measurement (DCV) .................................................................................... 4-6
4-5 DC Voltage Measurement (DCV-Bch) ............................................................................. 4-7
4-6 AC Voltage Measurement (ACV and ACV(AC+DC)) .................................................... 4-9
4-7 Resistance Measurement (2W, 4W, LP-2W, and LP-4W) ................................... 4-10
4-8 DC Current Measurement (DCI) ...................................................................................... 4-11
4-9 AC Current Measurement (ACI and ACI(AC+DC)) ........................................................ 4-13
4-10 Continuity Measurement ................................................................................................... 4-14
4-11 Diode Measurement .......................................................................................................... 4-15
4-12 Frequency Measurement (FREQ) ..................................................................................... 4-16
4-13 Temperature Measurement ............................................................................................... 4-18
5-1 Menu Operation ................................................................................................................ 5-1
5-2 Measurement Sequence .................................................................................................... 5-15
5-3 Trigger Model ................................................................................................................... 5-19
5-4 Level Trigger .................................................................................................................... 5-25
5-5 Delta Trigger ..................................................................................................................... 5-26
5-6 Delta Trigger ..................................................................................................................... 5-27
5-7 Calculation System Diagram ............................................................................................ 5-30
6-1 Simple Equivalent Circuit of Trigger Input Terminal ...................................................... 6-8
6-2 Simple Equivalent Circuit of Complete Signal Output Terminal ..................................... 6-9
6-3 Signal Output Pin .............................................................................................................. 6-11
6-4 Status Register Structure (1/2) .......................................................................................... 6-46
6-5 Status Register Structure (2/2) .......................................................................................... 6-47
6-6 Status Byte Register Structure .......................................................................................... 6-48
8-1 Input Terminal Protection Fuse ........................................................................................ 8-2