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62 34450A User’s Guide
2 Functions and Features
External Trigger
External triggering takes one reading (or the specified
number of readings in data logger) each time the multimeter
receives a pulse on the rear- panel external trigger connector.
The multimeter uses the rising edge (POS) of the external
trigger signal to trigger a reading. Diagram below shows the
external trigger connector:
Figure 2-5 Trigger in connector
The trigger annunciator turns on when the multimeter is
waiting for an external trigger.
The rear panel trigger out connector provides a pulse after
the completion of each measurement. Trigger out and
external trigger implement a standard hardware handshake
sequence between measurement and switching devices.
Trigger Out
The Trigger out signal cannot be configured and is
implemented in four ways:
In local mode, a trigger out signal is sent whenever a
measurement is updated on the front panel.
In remote mode, a trigger out signal is sent whenever a
measurement is taken by the user through using command.
–
+
Tx
Rx
TRIG
IN
TRIG
OUT
- Keysight 34450A 5½ Digit 1
- Multimeter 1
- Safety Symbols 5
- Regulatory Markings 6
- General Safety Information 7
- VI 34450A User’s Guide 8
- Environmental Conditions 9
- 2002/96/EC 10
- Additional Notices 11
- In This Guide… 13
- XII 34450A User’s Guide 14
- Contents 15
- XIV 34450A User’s Guide 16
- 34450A User’s Guide XV 17
- XVI 34450A User’s Guide 18
- 34450A User’s Guide XVII 19
- XVIII 34450A User’s Guide 20
- Figures 20
- 34450A User’s Guide XIX 21
- XX 34450A User’s Guide 22
- Getting Started Tutorial 23
- The Front Panel at a Glance 24
- The display at a glance 25
- Single display screen 25
- Dual display screen 25
- 4 34450A User’s Guide 26
- 1 Getting Started Tutorial 26
- Getting Started Tutorial 1 27
- 34450A User’s Guide 5 27
- The Keypad at a Glance 28
- 34450A User’s Guide 7 29
- Feature Upgrades 31
- The Rear Panel at a Glance 32
- Making Measurements 33
- Digit masking 34
- (HI terminal) 35
- 14 34450A User’s Guide 36
- Measuring resistance 37
- 16 34450A User’s Guide 38
- 34450A User’s Guide 17 39
- 18 34450A User’s Guide 40
- 34450A User’s Guide 19 41
- Testing continuity 42
- Checking diodes 43
- Measuring temperature 44
- Measuring capacitance 45
- Selecting a Range 46
- Remote Operation 47
- Serial interface 48
- GPIB IEEE-488 (Optional) 49
- Code compatibility mode 50
- SCPI commands 50
- 30 34450A User’s Guide 52
- Functions and Features 53
- Math Operations 54
- Null measurement 55
- – Offset 56
- Hold measurement 57
- Limit measurement 58
- Accessing math menu 59
- Editing single statistics 60
- Editing all statistics 61
- Editing dB measurement 62
- Editing dBm measurement 63
- Math annunciators 64
- Editing values 65
- The Dual Display 66
- Using the dual display 67
- Using the Utility Menu 69
- 48 34450A User’s Guide 70
- 2 Functions and Features 70
- Functions and Features 2 71
- 34450A User’s Guide 49 71
- RS232 utility sub-menu 73
- 52 34450A User’s Guide 74
- GPIB Utility Sub-Menu 75
- Reading error messages 76
- The beeper 77
- Reset/Power-On State 80
- 34450A User’s Guide 59 81
- Triggering the Multimeter 82
- Software (Bus) Triggering 83
- External Trigger 84
- Trigger Out 84
- Manual Trigger 85
- Data Logging 87
- 34450A User’s Guide 67 89
- Viewing the log info 91
- Viewing the log list 92
- Viewing the log histogram 93
- Viewing the log statistics 94
- Measurement Tutorial 97
- DC Measurement Considerations 98
- Noise Rejection 99
- Noise Caused by Ground Loops 100
- Offset Compensation 107
- EMF) - VEMF = I*R 108
- True RMS AC Measurements 109
- AC Filter 112
- Frequency measurement errors 113
- DC current measurements 114
- Capacitance measurements 115
- Temperature measurements 117
- Loading Errors (AC volts) 118
- Measurements Below Full Scale 118
- Low- Level Measurement Errors 119
- Pulse Measurement Error 120
- Specifications 121
- Test Considerations 122
- DC Specifications 123
- 102 34450A User’s Guide 124
- 4 Specifications 124
- AC Specifications 125
- 104 34450A User’s Guide 126
- Specifications 4 127
- 34450A User’s Guide 105 127
- Operating Specifications 128
- 34450A User’s Guide 107 129
- 108 34450A User’s Guide 130
- 34450A User’s Guide 109 131
- 110 34450A User’s Guide 132
- 34450A User’s Guide 111 133
- General Characteristics 134
- 34450A User’s Guide 113 135
- Accuracy specifications 137
- DC voltage measurements 138
- Contact us 139
- *34450-90000* 140
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