HP Waterskis E1312A Manuel d'utilisateur Page 95
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Noté. / 5. Basé sur avis des utilisateurs
Multimeter Command Reference 95Chapter 3
[:VOLTage[:DC]]:RATio
CONFigure[:VOLTage[:DC]]:RATio [<range>|MIN|MAX|DEF|AUTO
[,<
resolution>|MIN|MAX|DEF]] configures the multimeter for dc:dc ratio
measurements with the specified range and resolution.
The ratio is calculated from the voltage applied to the HI and LO input terminals
divided by the reference voltage applied to the “Sense” HI and LO terminals.
Autoranging is automatically selected for the reference voltage measurement on the
“Sense” HI and LO terminals. The specified range in the command applies to the
signal connected to the HI and LO input terminals.
Note Autorange on the “Sense” terminals is from 100mV to 10V range only. Maximum
voltage you can apply to the “Sense” terminals is 10V.
Parameters
Comments • To select a standard measurement range, specify range as the input signal’s
maximum expected voltage. The multimeter then selects the correct range to
accept the input.
• The AUTO or DEFault option for the range parameter enables autorange. The
DEFault option for resolution defaults the integration time to 10 PLC.
• The MIN and MAX parameters select the minimum or maximum values for
range and resolution:
For range:
MIN = 100mV; MAX = 300V.
For resolution:
MIN selects the best resolution (the smallest value) for the
selected range.
MAX selects the worst resolution (the largest value) for the
selected range.
DC:DC RATIO =
dc signal voltage
dc reference voltage
-------------------------------------------------
=
Hi and LO input
Sense HI and LO input
-------------------------------------------------------
Parameter Name Parameter Type Range of Values Default Units
<range>
(HI-LO input)
numeric 100mV|1V|10V|100V|300V|
MIN|MAX|DEF|AUTO
volts
<
resolution>
numeric
resolution|MIN|MAX|DEF
volts
- Contents 1
- 2 Contents 2
- Contents 3 3
- 4 Contents 4
- Contents 5 5
- 6 Contents 6
- Contents 7 7
- 8 Contents 8
- Certification 9
- Safety Symbols 10
- WARNINGS 10
- Documentation History 10
- Trademarks 10
- BUSINESS REPLY MAIL 13
- Module Setup 15
- Interrupt Priority 17
- Initial Operation 22
- Information 25
- Loading Errors 26
- (dc volts) 26
- Leakage Current 26
- Common Mode 27
- Rejection (CMR) 27
- Rejecting Power 27
- Line Noise 27
- Voltages 27
- Noise Caused by 28
- Magnetic Loops 28
- Ground Loops 28
- Resistance Measurements 29
- Removing Field 30
- Wiring Resistance 30
- Measurements 30
- DC Current Measurement Errors 32
- True RMS AC Measurements 32
- Crest Factor Errors 33
- (non-sinusoidal 33
- errors 34
- Low-Level 35
- Measurement 35
- AC Current Measurement Errors 36
- Measurement Configuration 37
- Two Ways to Store the 42
- NULL Offset Value 42
- Storing the dB 43
- Reference Value 43
- Storing the dBm 43
- Reference Resistance 43
- Triggering the Multimeter 45
- Checking the 47
- Trigger Source 47
- Example: Setting the 49
- Trigger Count 49
- Example: Inserting a 49
- Trigger Delay 49
- CONF or MEAS command. The 50
- Sample Count 51
- HP VTL Software 52
- Making Multimeter 53
- MEASURE3 55
- Source Code File 55
- MEASURE4 56
- Synchronizing the 57
- Multimeter With a 57
- Switch Module 57
- HP E1412A SCAN 59
- Multimeter Status 60
- System Examples 60
- SYNCHOPC 61
- SYNCHMAV 62
- LIMITTST 63
- Programming 64
- Multimeter Command Reference 67
- SCPI Command Reference 71
- Subsystem Syntax ABORt 72
- CALCulate 73
- :AVERage:AVERage? 74
- :AVERage:COUNt? 74
- :AVERage:MAXimum? 74
- :AVERage:MINimum? 74
- :DB:REFerence 75
- :DB:REFerence? 75
- :DBM:REFerence 75
- :DBM:REFerence? 75
- Parameter 76
- :LIMit:LOWer 77
- :LIMit:LOWer? 77
- :LIMit:UPPer 77
- :LIMit:UPPer? 77
- :NULL:OFFSet? 78
- CALibration 79
- :LFRequency? 80
- :SECure:CODE 80
- :STRing? 82
- CALibration? 84
- CONFigure 85
- command for each function 86
- Default Settings for 86
- Command by Function 86
- :FREQuency 89
- [:VOLTage[:DC]]:RATio 95
- CONFigure? 96
- :POINts? 97
- Subsystem Syntax FETCh? 98
- INITiate 99
- :IMPedance:AUTO 100
- :IMPedance:AUTO? 100
- Subsystem Syntax MEASure 101
- Parameters 102
- :FREQuency? 104
- :PERiod? 106
- Subsystem Syntax OUTPut 111
- :TTLTrg[:STATe]? 112
- Subsystem Syntax READ? 113
- Subsystem Syntax SAMPle 114
- Example Set the Sample Count 114
- [SENSe:] 116
- FUNCtion 118
- FUNCtion? 118
- <time> 128
- Example Disable Autoranging 130
- FRESistance:RANGe:AUTO 134
- FRESistance:RANGe:AUTO? 134
- Example Query the Resolution 135
- Example Set the Aperture Time 136
- Example Change the Range 141
- Example Change the Resolution 143
- voltages present on the 152
- :QUEStionable:CONDition? 153
- :QUEStionable:ENABle 153
- :QUEStionable:ENABle? 154
- :QUEStionable[:EVENt]? 154
- Subsystem Syntax SYSTem 155
- Subsystem Syntax TRIGger 156
- Example Set the Trigger Count 156
- Example Set the Trigger Delay 157
- :DELay:AUTO? 159
- Example Set the Sample Source 160
- :SOURce? 161
- SCPI Command Quick Reference 167
- Command Description 168
- Appendix A 171
- DC Characteristics 171
- (continued) 172
- Measuring Characteristics 172
- Operating Characteristics [8] 173
- AC Characteristics 174
- Operating Characteristics 176
- General Specifications 179
- Total Measurement Error 181
- Error Example 181
- Sensitivity 182
- Resolution 182
- Accuracy 183
- Transfer Accuracy 183
- 24-Hour Accuracy 183
- 90-Day and 1-Year Accuracy 183
- Temperature Coefficients 183
- Error Messages 185
- INTERRUPTED 188
- UNTERMINATED 188
- DEADLOCKED 188
- CONFigure or MEASure 189
- of range 191
- Appendix C 193
- Commands (Non-SCPI ) 193
- Speed Advantage 194
- Using the Special 194
- Non-SCPI 194
- Commands 194
- (F1-F4 and R1-R7) 194
- Store the Readings in 198
- Multimeter RAM 198
- Instead of Sending 198
- Computer 198
- Numerics 199
- A (continued) 200
- C (continued) 201
- Index 203 203
- F (continued) 204
- Index 205 205
- Value, 78 206
- P (continued) 207
- R (continued) 208
- S (continued) 209
- T (continued) 211
- 212 Index 212
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