Fluke Portable Multimedia Player 8842A Users Manual

2015-02-02

• 8842A Instruction Manual
  • Table of Contents
  • List of Tables
  • List of Figures
• 1. Introduction and Specifications
  • INTRODUCTION
  • THE 8842A DIGITAL MULTIMETER
  • OPTIONS AND ACCESSORIES
  • SPECIFICATIONS
• 2. Operating Instructions
  • INTRODUCTION
  • INSTALLATION
    • Installing the Power-Line Fuse
    • Connecting to Line Power
    • Adjusting the Handle
    • Rack Mounting Kits
  • OPERATING FEATURES
    • Power-Up Features
    • Front and Rear Panel Features
    • Display Features
    • Error Messages
    • Overrange Indication
    • Diagnostic Self-Tests
    • Ranging
      • AUTORANGE
      • MANUAL RANGE
    • Triggering
      • CONTINUOUS TRIGGER MODE
      • EXTERNAL TRIGGER MODE
    • Reading Rates and Noise Rejection
    • Automatic Settling Time Delay
    • External Trigger Input (Option -05 Only)
    • Sample Complete Output (Option -05 Only)
  • MAKING MEASUREMENTS
    • Input Overload Protection Limits
    • Measuring Voltage and Resistance
    • Measuring Current
    • Current Fuse Protection
    • Offset Measurements
  • EXTERNAL CLEANING
• 3. Remote Programming
  • INTRODUCTION
  • CAPABILITIES
  • BUS SET-UP PROCEDURE
  • AN OVERVIEW OF REMOTE OPERATION
  • A NOTE ABOUT EXAMPLES
  • DEVICE-DEPENDENT COMMAND SET
    • Bn (Offset Commands)
    • Cn (Calibration Commands)
    • Dn (Display Commands)
    • Fn (Function Commands)
    • Get Commands
    • G0 (Get Instrument Configuration)
    • G1 (Get SRQ Mask)
    • G2 (Get Calibration Prompt)
    • G3 (Get User-Defined Message)
    • G4 (Get Calibration Status)
    • G5 (Get IAB Status)
    • G6 (Get YW Status)
    • G7 (Get Error Status)
    • G8 (Get Instrument Identification)
    • N (Numeric Entry Command)
    • Put Commands
    • P0 (Put Instrument Configuration)
    • P1 (Put SRQ Mask)
    • P2 (Put Calibration Value)
    • P3 (Put User-Defined Message)
    • Rn (Range Commands)
    • Sn (Reading Rate Commands)
    • Tn (Trigger Mode Commands)
    • Wn (Terminator Commands)
    • X0 (Clear Error Register Command)
    • Yn (Suffix Commands)
    • Z0 (Self-Test Command)
    • (Device-Clear Command)
    • ? (Single-Trigger Command)
  • INPUT SYNTAX
    • Definitions
    • Input Processing
    • Syntax Rules
  • OUTPUT DATA
    • Loading Output Data
    • Types of Output Data
    • Numeric Data and Error Messages
      • MEASUREMENT DATA
      • OVERRANGE INDICATION
      • ERROR MESSAGES
    • Status Data
  • SERVICE REQUESTS
  • INTERFACE MESSAGES
  • TALK-ONLY MODE
  • REMOTE CALIBRATION
  • TIMING CONSIDERATIONS
  • IMMEDIATE MODE COMMANDS
  • EXAMPLE PROGRAMS
• 4. Measurement Tutorial
  • INTRODUCTION
  • DC VOLTAGE MEASUREMENT
    • Circuit Loading Error
    • Input Bias Current Error
  • RESISTANCE MEASUREMENT
    • 2-Wire Ohms
    • Correcting for Test Lead Resistance in 2-Wire Ohms
    • 4-Wire Ohms
    • Applications of the Ohms Functions
      • TESTING DIODES
      • TESTING ELECTROLYTIC CAPACITORS
      • A PRECISION CURRENT SOURCE
  • DC CURRENT MEASUREMENT
  • REDUCING THERMAL VOLTAGES
  • AC VOLTAGE AND CURRENT MEASUREMENT
    • True RMS Measurement
    • Waveform Comparison
    • Crest Factor
    • AC-Coupled AC Measurements
    • Combined AC and DC Measurements
    • Bandwidth
    • Zero-Input VAC Error
  • MAKING ACCURATE MEASUREMENTS ON THE 20 mV AND 20( RANGES
  • MAKING ACCURATE HIGH-RESISTANCE MEASUREMENTS
• 5. Theory of Operation
  • INTRODUCTION
  • OVERALL FUNCTIONAL DESCRIPTION
  • DETAILED CIRCUIT DESCRIPTION
  • DC SCALING
    • VDC Scaling
    • VDC Protection
    • mA DC Scaling
    • Analog Filter
  • TRACK/HOLD CIRCUIT
    • Track Configuration
    • Settling Configuration
    • Hold Configuration
    • Pre-Charge Configuration
  • PRECISION VOLTAGE REFERENCE
  • OHMS CURRENT SOURCE
  • OHMS PROTECTION
  • OHMS FUNCTIONS
    • 2-Wire Ohms
    • 4-Wire Ohms
  • A/D CONVERTER
    • Timing/Data Control
    • Precision DAC
    • A/D Amplifier
    • Bootstrap Supplies
  • DISPLAY
  • KEYBOARD
  • DIGITAL CONTROLLER
    • In-Guard Microcomputer
    • Function and Range Control
    • A/D Control and Computation
    • Calibration Correction
    • Keyboard/Display Control
    • Troubleshooting Modes
    • Guard-Crossing Communication
  • GUARD CROSSING
  • POWER SUPPLY
  • IEEE-488 INTERFACE (OPTION -05)
    • Out-Guard Microcomputer
    • Guard Crossing
    • Bus Interface Circuitry
    • Signal Conditioning
    • IEEE-488 Interface Power Supply
  • TRUE RMS AC (OPTION -09)
    • VAC Scaling
    • mA AC Scaling
    • Frequency Response Trimming
    • True RMS AC-to-DC Conversion
• Static Awareness
• 6. Maintenance
  • INTRODUCTION
  • PERFORMANCE TEST
    • Diagnostic Self-Tests
    • DC Voltage Test
    • AC Voltage Test (Option -09 Only)
    • Resistance Test
    • DC Current Test
    • AC Current Test (Option -09 Only)
  • CALIBRATION
    • Basic Calibration Procedure
      • INITIAL PROCEDURE
      • A/D CALIBRATION
      • OFFSET AND GAIN CALIBRATION
      • HIGH-FREQUENCY AC CALIBRATION
    • Advanced Features and Special Considerations
      • STORING VARIABLE INPUTS
      • CALIBRATING INDIVIDUAL RANGES
      • VERIFYING CALIBRATION
      • ERASING CALIBRATION MEMORY
      • TOLERANCE CHECK
      • AC CALIBRATION AT OTHER FREQUENCIES
      • OPTIMIZING USE OF THE 5450A
    • Remote Calibration
      • TIMING CONSIDERATIONS
      • REMOTE ERASURE
  • DISASSEMBLY PROCEDURE
    • Case Removal
    • True RMS AC PCA Removal (Option -09 Only)
    • IEEE-488 Interface PCA Removal (Option -05 Only)
    • Main PCA Removal
    • Front Panel Disassembly
  • REASSEMBLY PROCEDURE
  • INTERNAL FUSE REPLACEMENT
  • EXTERNAL TRIGGER POLARITY SELECTION (Option -05 Only)
  • TROUBLESHOOTING
    • Initial Troubleshooting Procedure
    • Diagnostic Self-Tests
    • Self-Test Descriptions
    • Digital Controller Troubleshooting
    • DC Scaling Troubleshooting
    • Track/Hold Troubleshooting
    • Ohms Current Source Troubleshooting
    • Precision Voltage Reference Troubleshooting
    • A/D Converter Troubleshooting
    • Power Supply Troubleshooting
    • IEEE-488 Interface Troubleshooting (Option -05)
    • True RMS AC Troubleshooting (Option -09)
    • Guard Crossing Troubleshooting
  • INTERNAL CLEANING
    • Cleaning Printed Circuit Assemblies
  • Cleaning After Soldering
• 7. List of Replaceable Parts
  • INTRODUCTION
  • HOW TO OBTAIN PARTS
  • MANUAL STATUS INFORMATION
  • NEWER INSTRUMENTS
  • SERVICE CENTERS
• 8. Options and Accessories
  • INTRODUCTION
  • ACCESSORIES
    • Rack-Mount Kits (Y8834, Y8835 and Y8836)
    • Shielded IEEE-488 Interface Cables (Y8021, Y8022, and Y8023)
    • Replacement Test Leads (TL70A)
    • Deluxe Test Lead Kits (Y8134)
    • Slim-Flex Test Leads (Y8140)
    • Temperature Probes (80T-150U, and 80TK.)
    • RF Probes (85RF and 83RF)
    • Current Shunt (80J-10)
    • Current Probes (Y8100, Y8101, 80i-400 and 80i-600)
    • High Voltage Probes (80K-6 and 80K-40)
• 805. Option -05 IEEE-488 Interface
  • INTRODUCTION
  • CAPABILITIES
  • EXTERNAL CONTROLS
  • INSTALLATION
  • PROGRAMMING INSTRUCTIONS
  • MAINTENANCE
  • LIST OF REPLACEABLE PARTS
• 809. Option -09 True RMS AC
  • INTRODUCTION
  • INSTALLATION
  • OPERATING INSTRUCTIONS
  • MAINTENANCE
  • LIST OF REPLACEABLE PARTS
• 9. Schematic Diagrams