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34401A
Manuel d'utilisateur
Agilent-technologies 34401A Manuel d'utilisateur Page 189
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242
Table des matières
DEPANNAGE
MARQUE LIVRES
Noté
.
/ 5. Basé sur
avis des utilisateurs
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6
Applicati
on
Pr
og
ra
ms
6
1
2
...
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Agilent 34401A
1
6 ½ Digit Multimeter
1
Safety Information
3
Additional Notices
5
DECLARATION OF CONFORMITY
6
Multimeter
7
The Front Panel at a Glance
8
Display Annunciators
10
The Rear Panel at a Glance
11
In This Book
12
Contents
13
Quick Start
17
ERROR annunciator turns on
19
To Adjust the Carrying Handle
22
To Measure Voltage
23
To Measure Resistance
23
To Measure Current
24
To Test Continuity
25
To Check Diodes
25
To Select a Range
26
To Set the Resolution
27
-H.DDD,DDD EFFF
28
-045.23 mVDC
28
Agilent System II
29
Front-Panel
31
Menu Operation
31
FUNCTION and RANGE / DIGITS
32
Front-Panel Menu Reference
33
A Front-Panel Menu Tutorial
35
Recall
39
Null
42
< <
42
Auto/Man
42
To Make dB Measurements
46
To Make dBm Measurements
47
To Trigger the Multimeter
48
Using an External Trigger
48
To Use Reading Hold
49
To Use Reading Memory
52
Mem annunciator
53
Features and
55
Functions
55
Features and Functions
56
Measurement Configuration
57
Ω and 1000 Ω
58
DC Input Resistance
59
Input terminals
61
Integration Time
63
Integration Time
63
Resolution
63
FRON” or “REAR”
64
Autozero
65
RANGE keys to select
68
Math Operations
69
Min–Max Operation
70
Null (Relative) Operation
71
Limit Testing
75
Trigger Source Choices
79
Trig annunciator turns on
80
GPIB or RS-232)
81
GPIB interface by
81
GET using BASIC
81
Group Execute Trigger
81
Number of Samples
83
Number of Triggers
84
Trigger Delay
85
Automatic Trigger Delays
87
Reading Hold
88
Voltmeter Complete Terminal
89
External Trigger Terminal
89
System-Related Operations
90
Reading Memory
90
Error Conditions
91
Self-Test
92
Display Control
93
Shift are disabled
93
Beeper Control
94
Comma Separators
95
Firmware Revision Query
95
SCPI Language Version Query
96
GPIB Address
97
Remote Interface Selection
98
Parity Selection (RS-232)
99
GPIB / 488
100
Calibration Overview
101
Calibration Security
101
• Front-Panel Operation:
102
Calibration Count
104
Calibration Message
105
Operator Maintenance
106
Power-On and Reset State
107
Remote Interface
109
Reference
109
>
110
Command Summary
111
CONFigure?
111
(continued)
113
Command
118
Using the MEASure? Command
119
Using the CONFigure Command
119
Using the READ? Command
120
Sense terminals
123
2-wire ohms)
127
4-wire ohms)
127
Math Operation Commands
130
Triggering
133
The Wait-for-Trigger State
135
Triggering Commands
136
System-Related Commands
138
OFF) or “1” (ON)
139
FIFO) order. Each error
139
SCPI version
139
The SCPI Status Model
140
What is an Event Register?
140
What is an Enable Register?
140
SCPI Status System
141
The Status Byte
142
IEEE-488 bus
144
IEEE-488 SRQ interrupt
144
The Standard Event Register
146
148
Value
148
Definition
148
Status Reporting Commands
150
Calibration Commands
152
RS-232 Configuration Overview
154
RS-232 Data Frame Format
155
DTR / DSR Handshake Protocol
157
RS-232 Troubleshooting
158
RS-232 Interface Commands
159
Command Separators
162
Querying Parameter Settings
163
SCPI Command Terminators
163
IEEE-488.2 Common Commands
164
SCPI Parameter Types
164
Output Data Formats
165
TALK ONLY for Printers
166
To Set the GPIB Address
167
On/Off
167
To Set the Baud Rate
169
To Set the Parity
170
3478A Command
172
Description
172
Agilent 34401A Action
172
Fluke 8840A
173
Command
173
Description
173
Agilent 34401A Action
173
SCPI Compliance Information
174
Error
177
Messages
177
Error Messages
178
Execution Errors
179
SEC is not a valid suffix)
180
BUS and a READ?
181
INTERRUPTED
183
UNTERMINATED
183
DEADLOCKED
183
Self-Test Errors
185
Calibration Errors
186
Ω range
187
Application
189
Programs
189
Application Programs
190
Using the Status Registers
194
Continued on next page >
200
Measurement
203
Tutorial
203
Measurement Tutorial
204
Thermal EMF Errors
204
Copper-to
204
Approx. µV / °C
204
Loading Errors (dc volts)
205
Leakage Current Errors
205
Common Mode Rejection (CMR)
207
Noise Caused by Ground Loops
208
Resistance Measurements
209
4-Wire Ohms Measurements
209
Power Dissipation Effects
210
Settling Time Effects
210
DC Current Measurement Errors
211
True RMS AC Measurements
212
RMS value of a waveform
213
–3 dB bandwidth
214
1 + ( 2 π x F x R
215
Measurements Below Full Scale
216
Low-Level Measurement Errors
217
Common Mode Errors
218
AC Current Measurement Errors
218
EMF and bias current errors
219
Specifications
221
DC Characteristics
222
Measuring Characteristics
223
Chapter 8 Specifications
223
AC Characteristics
224
General Information
228
HOLD Sensitivity:
228
Product Dimensions
229
≤ 150 µV
230
≤ 15 µV
230
≤ 1.5 µV
230
≤ 40 µV
231
Sensitivity
232
Resolution
233
Accuracy
233
Transfer Accuracy
234
24-Hour Accuracy
234
90-Day and 1-Year Accuracy
234
Temperature Coefficients
234
IndexIndex
237
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