Fluke 45 Digitale multimeter
Fabrikant:
Model:
45
Datum:
1999
Categorie:
Groep:
Omschrijving:
Dual Display Multimeter
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Informatie

1 Introduction ... 1-1 Introducing the Fluke 45 Dual Display Multimeter ... 1-1 Options and Accessories ... 1-2 Where to go from Here ... 1-2 2 Getting Started ... 2-1 Introduction ... 2-1 Getting Started ... 2-1 Unpacking and Inspecting the Meter ... 2-1 Front Panel and Rear Panel ... 2-1 Adjusting the Handle ... 2-1 Line Power ... 2-1 Turning the Meter on ... 2-3 Using the Pushbuttons ... 2-3 Selecting a Measurement Range ... 2-5 Automatic Input Terminal Selection ... 2-5 Taking Some Basic Measurements ... 2-5 Measuring Voltage, Resistance, or Frequency ... 2-6 Measuring Current ... 2-6 Diode/Continuity Testing ... 2-6 Operating the Meter Under Battery Power (Optional) ... 2-9 Rack Mounting ... 2-9 3 Operating the Meter From the Front Panel ... 3-1 Introduction ... 3-1 Front Panel Operations ... 3-1 Display ... 3-2 Primary Display ... 3-2 Secondary Display ... 3-2 Input Terminals ... 3-4 Selecting a Measurement Function ... 3-5 Ranging ... 3-5 Autoranging ... 3-5 Manual Ranging ... 3-8 Measuring Frequency ... 3-8 Frequency Ranging ... 3-8 Frequency Measurement Rates ... 3-9 Measuring Frequency of Current (100 mA and 10A) Inputs ... 3-9 Frequency Sensitivity Selection ... 3-9 Selecting A Function Modifier ... 3-10 REL (Relative Readings) Modifier ... 3-11 dB (Decibels and Audio Power) Modifier ... 3-12 HOLD (Touch Hold) Modifier ... 3-13 MN mX (Minimum Maximum) Modifier ... 3-13 Using Function Modifiers in Combination ... 3-13 Selecting A Measurement Rate (Rate) ... 3-14 Using the (^)Button ... 3-14 Using The Compare (Comp) Function ... 3-16 The List and Number Editors ... 3-16 Using the List Editor ... 3-17 Using the Number Editor ... 3-18 Power-Up Configuration ... 3-19 Factory Settings of Power-Up Configuration ... 3-19 Changing the Power-Up Configuration ... 3-19 Calibration ... 3-20 4 Applications ... 4-1 Introduction ... 4-1 Using the Dual Display ... 4-1 Using Measurement Functions in Combination ... 4-2 Taking Voltage and Current Measurements Using the Dual Display ... 4-2 Response Times ... 4-4 How the Meter Makes Dual Display Measurements ... 4-5 Updating the Primary and Secondary Displays with a Single Measurement 4-5 Updating the Primary and Secondary Displays with Separate Measurements 4-5 Update Rate in the Dual Display Mode ... 4-7 External Trigger ... 4-7 Thermal Voltages ... 4-8 When Measuring Resistance ... 4-9 Two-Wire Configuration ... 4-9 Correcting for Test Lead Resistance ... 4-9 True RMS Measurements ... 4-9 Effects of Internal Noise in AC Measurements ... 4-10 Calculated (AC + DC) RMS Measurements ... 4-10 Waveform Comparison (True RMS vs. Average-Responding Meters) ... 4-10 5 Operating the Meter Using the Computer Interface ... 5-1 Introduction ... 5-1 Local and Remote Operations ... 5-1 Preparing the Meter for Operations via the RS-232 Interface ... 5-2 Setting Communication Parameters (RS-232) ... 5-2 RS-232 Print-Only Mode ... 5-3 Cabling the Meter to a Host or Printer (RS-232) ... 5-4 Character Echoing and Deletion ... 5-4 Device Clear Using AC (CNTRL C) ... 5-4 RS-232 Prompts ... 5-4 Preparing the Meter to be Operated via IEEE-488 Interface ... 5-5 IEEE-488 Operating Limitations ... 5-5 Installing the IEEE-488 Interface ... 5-5 Enabling the IEEE-488 Interface ... 5-5 Addressing the Meter ... 5-5 Cabling the Meter to a Host ... 5-6 Getting Started With An Installation Test ... 5-6 Installation Test for RS-232 Operations ... 5-6 Installation Test for IEEE-488 Operations ... 5-6 If Test Fails ... 5-7 How the Meter Processes Input ... 5-7 Input Strings ... 5-7 Input Terminators ... 5-7 Typical IEEE-488 Input Strings ... 5-8 Sending Numeric Values to the Meter ... 5-8 Sending Command Strings to the Meter ... 5-8 How the Meter Processes Output ... 5-11 Triggering Output ... 5-11 External Triggering from the Front Panel ... 5-11 Setting the Trigger Type Configuration ... 5-12 External Triggering via the Computer Interface ... 5-12 Service Requests (IEEE-488 Only and Status Registers ... 5-13 Event Status and Event Status Enable Registers ... 5-16 Status Byte Register ... 5-17 Reading the Status Byte Register ... 5-17 Service Request Enable Register ... 5-18 Computer Interface Command Set ... 5-19 IEEE-488 Capabilities and Common Commands ... 5-19 Function Commands and Queries ... 5-22 Function Modifier Commands and Queries ... 5-22 Range and Measurement Rate Commands and Queries ... 5-25 Measurement Queries ... 5-26 Compare Commands and Queries ... 5-27 Trigger Configuration Commands ... 5-27 Miscellaneous Commands and Queries ... 5-28 RS-232 Remote/Local Configurations ... 5-29 Sample Program Using the RS-232 Computer Interface ... 5-30 Sample Programs Using the IEEE-488 Computer Interface ... 5-31 6 Maintenance ... 6-1 Introduction ... 6-1 Cleaning ... 6-1 Line Fuse ... 6-1 Current Input Fuses ... 6-2 Testing Current Input Fuses ... 6-2 Replacing the 100 mA Input Fuse ... 6-3 Replacing the 10 A Input Fuse ... 6-3 Self-Test Diagnostics and Error Codes ... 6-4 Performance Tests ... 6-4 Service ... 6-5 Replacement Parts ... 6-7 Appendices A Specifications ... A-1 B ASCII/IEEE-488 Bus Codes ... B-1 C IEEE-488.2 Device Documentation Requirements ... C-1

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User Manual Supplement

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