HP EPM-442A Manuel d'utilisateur Page 52
- Page / 164
- Table des matières
- MARQUE LIVRES
Noté. / 5. Basé sur avis des utilisateurs
HP4402.book : chapter2.fm 14 Wed Apr 23 15:29:05 1997
Power Meter Operation
Making Measurements using Sensor Calibration Tables
2-14 HP EPM-442A User’s Guide
“State” field indicates if any sensor calibration tables are currently
selected. The “Sensor Tbls” screen is displayed as shown in Figure 2-1.
Figure 2-1: “Sensor Tbls” Screen
Making the Measurement
To make the power measurement, you zero and calibrate the power meter,
then set it for the frequency of the signal you want to measure. The power
meter automatically selects the calibration factor from the sensor
calibration table.
Note The following procedure details the calibration for channel A. To
calibrate channel B use the same procedure using the equivalent
channel B softkeys. To calibrate both channels, zero the power
meter using in step “2”, then follow this procedure for
channel A then repeat step “3” through to step “9” using the
equivalent channel B softkeys.
1. Press .
2. Press . During zeroing, which takes approximately 10
seconds, the wait symbol is displayed.
3. Press . The setting of the reference calibration factor is
obtained from the sensor calibration table and displayed under the
softkey.
4. Connect the power sensor to the POWER REF output.
5. Press to calibrate the power meter. During calibration the
wait symbol is displayed. (The power meter automatically turns
on the POWER REF output.)
Zero Both
Zero
Cal
Zero A
Cal
A Ref CF
Cal A
- User’s Guide 1
- Legal Information 3
- Limitation of Warranty 4
- Exclusive Remedies 4
- Equipment Operation 5
- General Safety Considerations 6
- IEC 1010-1 Compliance 7
- Regulatory Information 8
- Declaration of Conformity 9
- DECLARATION OF CONFORMITY 9
- List of Related Publications 10
- HP EPM-442A Options 11
- About this Guide 12
- Table of Contents 13
- List of Figures 17
- List of Tables 19
- Getting Started 21
- Turning On the Power Meter 23
- The Front Panel at a Glance 24
- The Display Layout 27
- Selecting Your Display Layout 29
- Display Tutorial 30
- Window Symbols 32
- 1 of N Entry Window 33
- Numeric or Alphanumeric Entry 33
- The Rear Panel at a Glance 34
- HP EPM-442A User’s Guide 1-15 35
- 8. Serial Label 35
- Adjusting the Carrying Handle 36
- Rack Mounting the Power Meter 37
- Zeroing the Power Meter 41
- Calibrating the Power Meter 42
- HP EPM-442A User’s Guide 2-7 45
- Procedure 46
- Power Sensors 48
- Making the Measurement 52
- 2-16 HP EPM-442A User’s Guide 54
- HP EPM-442A User’s Guide 2-19 57
- 2-20 HP EPM-442A User’s Guide 58
- HP EPM-442A User’s Guide 2-21 59
- Making Relative Measurements 62
- Setting the Resolution 63
- Setting Offsets 64
- Setting Averaging 66
- Measuring Pulsed Signals 68
- Setting Measurement Limits 70
- Checking for Limit Failures 71
- Channel Measurements 73
- Making Ratio Measurements 75
- Setting the Range 79
- HP-IB Address 80
- Recorder Output 81
- Leveling a Source Output 82
- 2-46 HP EPM-442A User’s Guide 84
- Channel A 85
- Channel B 85
- Presetting the Power Meter 86
- Self Test 88
- HP-IB Testing 91
- Test Descriptions 92
- Operator Maintenance 94
- Check the Basics 96
- Instrument serial numbers 96
- UK12345678 97
- Sales and Service Offices 98
- Power Meter Operation 100
- Contacting Hewlett-Packard 100
- 2-64 HP EPM-442A User’s Guide 102
- Menu Reference 103
- Introduction 104
- The Front Panel Menu Maps 105
- Frequency/Cal Fac Menu 106
- Meas Setup Menu 107
- Rel/Offset Menu 108
- Save/Recall Menu 108
- System Inputs Menu 109
- System Inputs Menu Continued 110
- Zero/Cal Menu 111
- Front Panel Menu Reference 112
- Frequency 113
- More More 117
- Diagrammatical Hardkeys 129
- Error Messages 131
- 4-12 HP EPM-442A User’s Guide 142
- Specifications 143
- Power Meter Specifications 145
- Accuracy 146
- Power Reference 147
- Measurement Speed 148
- Zero Drift of Sensors 149
- Measurement Noise 149
- Settling Time 151
- Power Sensor Specifications 154
- General Characteristics 155
- Environmental Characteristics 156
- 5-16 HP EPM-442A User’s Guide 158
- 3-16, 3-20 161
- "Zero/Cal" 164
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