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Fluke 91 Series II User Manual

Scopemeter series ii
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Fluke91/92/96/105
ScopeMeter Series II
Users Manual
Date 950401
© 1995 Fluke Corporation, All rights reserved.
All product names are trademarks of their respective companies.
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Summary of Contents for Fluke 91 Series II

  • Page 1 Fluke91/92/96/105 ScopeMeter Series II Users Manual Date 950401 © 1995 Fluke Corporation, All rights reserved. All product names are trademarks of their respective companies.

  • Page 2: Table Of Contents

    TABLE OF CONTENTS  CHAPTER 1 INTRODUCING YOUR SCOPEMETER TEST TOOL SCOPEMETER TEST TOOL FEATURES ..........1-2 USING THE HOLSTER AND THE TILT STAND .
  • Page 3 91/92/96/99/105 Users Manual USING A SHORTCUT TO MOST COMMONLY MEASUREMENTS ......3-9 ORDERING MEASUREMENT READINGS ..........3-10 MEASURING FUNCTIONS NOT AVAILABLE FROM THE MEASURE MENU .
  • Page 4 DISPLAYING MULTIPLE WAVEFORMS ..........5-15 ADAPTING THE DISPLAY .
  • Page 5 91/92/96/99/105 Users Manual CHAPTER 8 SCOPEMETER TEST TOOL TUTORIAL TESTING POTENTIOMETERS ............8-4 MAKING LOW FREQUENCY VOLTAGE MEASUREMENTS WITH THE METER .

  • Page 7: About This Manual

    91/92/96/99/105 Users Manual ABOUT THIS MANUAL Chapter 6 Using Additional Capabilities This chapter explores the additional capabilities available  Chapter 1 Introducing the ScopeMeter Test Tool with your ScopeMeter test tool. The chapter covers This chapter introduces features and capabilities of your subjects, such as Scope measurements using the cursors, ScopeMeter test tool.
  • Page 8 Chapter 10 Appendixes NOTE Throughout this manual an trough a model number A. Specifications: Operating characteristics. indicates that the function being discussed does not B. Parts and Accessories: Model numbers and replacement apply to that specific model number. codes for all parts and accessories delivered with your ScopeMeter test tool.
  • Page 9 VIII 91/92/96/99/105 Users Manual WARNING International electrical symbols used are explained below. READ "SAFETY" CAREFULLY BEFORE USING YOUR Caution (see DOUBLE SCOPEMETER TEST TOOL. explanation in manual) INSULATION (Protection Class) SAFETY Common (Lo) input Recycling symbol symbol, equal The instrument described in this manual is designed to be potential used only by qualified personnel.
  • Page 10 The ScopeMeter test tool uses a three-lead connection sys- tem for dual input, isolated (electrically floating) measure- ments. The connections for isolated and grounded measurements are shown in the following illustration. Figure 1 Common (Ground) Connections NOTE Fluke 91 has a two lead connection system.
  • Page 11 91/92/96/99/105 Users Manual WARNING AC OUTLET BEFORE CONNECTION TO THE SCOPEMETER TEST TOOL. DO THE FOLLOWING TO AVOID ELECTRICAL SHOCK IF A SCOPEMETER TEST TOOL COM (COMMON) INPUT IS CONNECTED TO >42V PEAK (30V RMS): 1. USE ONLY THE TEST LEAD/PROBE SET SUPPLIED WITH SCOPEMETER TEST...
  • Page 12 Before use, inspect probes for mechanical damage are included with original purchase ScopeMeter test tools and replace damaged probes! and are also available as accessories from your FLUKE representative. Whenever it is likely that safety has been impaired, the instrument must be turned off and disconnected from line Isolating from Input to Input power.
  • Page 13 91/92/96/99/105 Users Manual PREPARING TO USE THE DEMONSTRATION (DEMO) BOARD A Demo Board with 9V battery is included in your ScopeMeter test tool kit. It generates different types of waveforms that can be measured at test points TP1 to TP5. All descriptions and measurement examples refer to a waveform that can be measured on the Demo Board.
  • Page 14 XIII Non-conductive surface Figure 2 Demo Board...
  • Page 15 91/92/96/99/105 Users Manual...
  • Page 16 Single Input Connection Single Input Connection with Mini Test Hook with HF Adapter Dual Input Connections Dual Input Connections with Mini Test Hooks with HF Adapters Figure 3 Input Connections for High Frequency Electronic Measurement...
  • Page 17 91/92/96/99/105 Users Manual...
  • Page 18 XVII Single Input Connection with Single Input Connection with High Voltage Industrial Alligator Clips (PM9084/001 & AC20) Test Pin Single Input Connection Dual Input Connections with with High Voltage Industrial Alligator Clips Test Pin & AC20 (PM9084/001 & AC20) Figure 4 Input Connections for Isolated Heavy Duty Industrial Measurements...

  • Page 19: Introducing Your Scopemeter

    Chapter 1  Introducing your ScopeMeter Test Tool SCOPEMETER TEST TOOL FEATURES ..1-2 Input/Output Terminal Ratings ....1-7 USING THE HOLSTER AND THE TILT STAND .

  • Page 20: Scopemeter Test Tool Features

    1 - 2 91/92/96/99/105 Users Manual SCOPEMETER TEST TOOL FEATURES ScopeMeter test tool features include: Your ScopeMeter test tool combines the capabilities of an • Digital Storage Oscilloscope. easy-to-use digital storage oscilloscope with the versatility -digit, 5-MHz Digital MultiMeter (DMM). •...

  • Page 21: Using The Holster And The Tilt Stand

    Introducing The ScopeMeter Test Tool 1 - 3 USING THE HOLSTER AND THE TILT STAND The ScopeMeter test tool is cradled in a holster that provides RELEASE HERE shock protection during rough handling. All keys and connections are accessible with the holster in place. You will need to remove the holster only to replace the batteries or access the Quick Operating Guide.

  • Page 22: Powering The Scopemeter Test Tool

    1 - 4 91/92/96/99/105 Users Manual POWERING THE SCOPEMETER TEST TOOL The test tool can be powered from any of the following sources. Refer to Figure 1-2. • Internal Battery Pack (PM9086) A rechargeable NiCad Battery Pack comes installed in every test tool.

  • Page 23: Minimizing Signal Noise

    Introducing The ScopeMeter Test Tool 1 - 5 MINIMIZING SIGNAL NOISE In general, using your test tool on battery power only will minimize noise pickup. Using the 10:1 probe will help in noise rejection. If you use the Power Adapter (PM8907), connect a test lead from the black 4-mm banana jack COM (common) to the measurement common (ground) of the system under test.

  • Page 24: Charging The Battery

    WARNING charging for long periods, e.g., through the weekend. Typically a 21-hour recharge provides 5 hours (Fluke 91, TO AVOID ELECTRICAL SHOCK, USE ONLY A BATTERY 92, 96 and 99 : 4 hours) of use.

  • Page 25: Looking At All Measurement Connections

    Common Ground, Inputs A B The test tool uses a three-lead connection system for dual input, isolated (electrically floating) measurements. INPUT B is not available for FLUKE 91 Input/Output Terminal Ratings Figure 1-3 Measurement Connections Maximum voltage ratings are defined near the related terminal.

  • Page 26: Reading The Display

    1 - 8 91/92/96/99/105 Users Manual RS-232 Optical Interface Connection The Optically Isolated RS-232 Adapter/Cable (PM9080) can be connected to the test tool for printer output and computer interface. Using the FlukeView software for DOS and Windows adds the following functionality to your ScopeMeter test tool: Storing of measurements in memory for later retrieval.

  • Page 27: Reading A Dual Display

    Introducing The ScopeMeter Test Tool 1 - 9 Reading a Dual Display Reading a Window Display Main Display: Displays the numeric readings combined When you change a setup, a part of the Main display area with a full screen-width waveform display. is used for a window.

  • Page 28: Using The Keys

    1 - 10 91/92/96/99/105 Users Manual USING THE KEYS The keys with a predefined function, regardless of the test tool's mode, are called keys or hard keys. Usally they give access to a menu, where items can be selected. The two yellow keys provide the possible ways to find your measurement.
  • Page 29 Introducing The ScopeMeter Test Tool 1 - 11 Figure 1-6 shows the basic navigation of the test tool. The five blue keys , and called function keys. These keys change function based on the present active menu. Actual function key definitions Yellow Yellow Dark grey...

  • Page 30: Stepping Through A Window

    1 - 12 91/92/96/99/105 Users Manual STEPPING THROUGH A WINDOW The fixed sequence is as follows: ¿ When a window appears, the assignments to the function Press a MORE function key. This opens a keys change as follows: window. is the 'CLOSE' key, which closes the active window. (Press (NEXT PAGE) or (PREVIOUS PAGE) to...

  • Page 31: Using On-Line Information

    Introducing The ScopeMeter Test Tool 1 - 13 USING ON-LINE INFORMATION You can get information about functions at any time by pressing . The short descriptions will help you under- stand how the test tool functions. When you operate the ScopeMeter test tool, the display provides information about the present condition or explains procedures taking place and asks for confirmation.
  • Page 32 Chapter 2 Getting Started ADJUSTING THE DISPLAY ....2-3 PERFORMING AN EASY SETUP ....2-5 Adjusting the Contrast .
  • Page 33 2 - 2 91/92/96/99/105 Users Manual This chapter provides a 15-minute demonstration intended for those who are not familiar with the ScopeMeter test tool. It gives some hands-on experience, with an emphasis on learning by seeing and doing. Those who are familiar with the test tool can skip the following pages and continue to Chapter 3.

  • Page 34: Adjusting The Display

    Getting Started 2 - 3 ADJUSTING THE DISPLAY Turning the Backlight On and Off Adjusting the Contrast 1. Press to turn on the backlight. The actual power BATTERIES source, or POWER ADAPTER appears for to adjust the contrast of the display to •...

  • Page 35: Selecting The Probe Type

    2 - 4 91/92/96/99/105 Users Manual SELECTING THE PROBE TYPE POWER-ON CONFIGURATIONS To prevent measurement errors, ensure that your test tool There are two different ways to reset the ScopeMeter test is adapted to your probe at power-on. Note that the tool: the Master Reset, and the power-on/save memory.

  • Page 36: Performing An Easy Setup

    Getting Started 2 - 5 PERFORMING AN EASY SETUP Power-on/save memory This procedure also resets the ScopeMeter test tool and For quick operation, the test tool is equipped with a sets the probe range to 10:1. The Reset does not clear the Continuous Auto Set function.

  • Page 37: Using The Demonstration (Demo) Board

    2 - 6 91/92/96/99/105 Users Manual USING THE DEMONSTRATION (DEMO) • Connect the red scope probe to TP2. BOARD Continue with the Quick Measurements Demonstration for more hands-on training using active waveforms. During the Quick Measurements, Quick Meter Operations, and Quick Scope Operations, you use the Demo Board NOTE that is included in your ScopeMeter test tool kit.

  • Page 38: Quick Measurement Demonstration

    Getting Started 2 - 7 Perform a Reset at Power ON. At power-on, all five function key definitions in the bottom display are assigned to the Main menu. Notice that METER is highlighted. Ensure the probe range is 10:1, as indicated on the display. The screen displays about "03.43 Vrms AC"...
  • Page 39 2 - 8 91/92/96/99/105 Users Manual Open the VOLT measurement menu; a list of the voltage measurements appears on the display Use these keys to choose a measurement. For now, highlight Vrms AC+DC. Press this function key to select Vrms AC+DC. The value of about "4.00 Vrms AC+DC" appears as the main top reading on the display.
  • Page 40 Getting Started 2 - 9 Some measurements are done in another mode. This message appears in a double-lined box on the display: "This measurement is possible in SCOPE mode. Change to SCOPE mode now ?". The test tool changes automatically to the Scope mode. You can now find the Rise Time measurement result below the waveform area.

  • Page 41: Performing Some Meter Operations

    2 - 10 91/92/96/99/105 Users Manual If you have not already done so, perform a reset. Set the Display to 3V manual range, about "3.412 Vrms AC" and "+2.127 V DC" appear, and the amplitude of the graphical representation increases. Input A Press this key once to measure a stable display.
  • Page 42 Getting Started 2 - 11 Press this key once to start recording the maximum, average, minimum, and max-min measure- ments. At the same time the trend plot representation appears at the lower area of the di s play. Press this key again to stop Min Max recording and trend plot. But first a message "All MIN- MAX recordings will be lost.
  • Page 43 2 - 12 91/92/96/99/105 Users Manual Open the Meter-submenu mode. The five function keys are now assigned to the meter- submenu identifiers. Open the More Meter window. The window enables you to change several settings in Meter mode. Go to the next page and find more settings that you can change. Close the window again, without changing the setup configuration of the test tool.

  • Page 44: Performing Some Scope Operations

    Getting Started 2 - 13 If you have not already done so perform a reset. Activate the Scope Mode, then press . An image of the waveform appears on the display. The top display shows the attenuator, probe, time base, and trigger information. The waveform amplitude decreases.
  • Page 45 2 - 14 91/92/96/99/105 Users Manual The test tool automatically selects attenuation, time base, and triggering to give you a readable display of the waveform. Press this to look at the Trigger menu now. This begins to display as the waveform rises above the trigger level (+SLOPE) or falls below the trigger level (-SLOPE).
  • Page 46 Getting Started 2 - 15 Adjust the trigger level: the " " icon moves upward as you change the trigger level. When the level is more than the waveform value, RUN changes into NOTRIG, and the display becomes unstable; your test tool is no longer triggered. Adjust the trigger level to about 50% of the waveform amplitude, so that your test tool is triggered again.
  • Page 47 Chapter 3 Making Measurements MAKING CONNECTIONS ..... . 3-2 MEASURING FUNCTIONS NOT USING THE MEASUREMENT FUNCTIONS ..3-3 AVAILABLE FROM THE MEASURE MENU .

  • Page 48: Making Connections

    3 - 2 91/92/96/99/105 Users Manual MAKING CONNECTIONS ScopeMeter test tool measurement connections are illustrated in Figure 3-1. Use the red INPUT A BNC jack or the red and black 4 mm banana jacks for measurements. The ScopeMeter test tool informs you when to use INPUT A or the banana jacks.

  • Page 49: Using The Measurement Functions

    Making Measurements 3 - 3 USING THE MEASUREMENT FUNCTIONS Use the Measure menu to choose one or more automatic measurements. Simply choose your desired measurement and the test tool sets itself up and displays the result. Regardless of the mode you are in, press •...

  • Page 50: 91/92/96/99/105 Users Manual

    Figure 3-2 Measurement results in Dual Display mode ACCESSORY (mV) EXT.mV Measure millivolts with an and Scope mode accessory that is connected to the red and black 4-mm banana jacks. ATTENTION The Scope Mode measurements are not valid for the FLUKE 91 and 92...
  • Page 51 Making Measurements 3 - 5 Page 2 of 7: Page 3 of 7: NOTE V peak/peak SCOPE Measure the difference between highest and lowest voltage value of the waveform between INPUT A in Meter mode can make separate V DC and the (vertical) cursors in Scope mode.
  • Page 52 3 - 6 91/92/96/99/105 Users Manual Page 4 of 7: A DC EXTmV Measure the DC current in EXT.mV mode with a Current probe (available as an option) that is A DC METER Measure the DC current in Meter mode connected to the red and black 4-mm banana jacks.
  • Page 53 Making Measurements 3 - 7 Page 5 of 7: dBm AC METER (decibel milliwatt) Measure the power ratio of the AC component of a signal with respect to 1 mW METER Measure the frequency of the input signal in in Meter mode. This is done with DC-coupled input. You Meter mode.
  • Page 54 3 - 8 91/92/96/99/105 Users Manual Page 7 of 7: RPM 1 METER (revolutions per minute) Measure one count per revolution in Meter mode. RPM 2 METER (revolutions per minute) Measure one count per two revolutions in Meter mode. dt (delta time) SCOPE Measure the time difference between the (vertical) cursors in Scope mode.

  • Page 55: Using A Shortcut To Most Commonly Measurements

    Making Measurements 3 - 9 USING A SHORTCUT TO MOST COMMONLY • Press (dB) to open a list with power MEASUREMENTS measurements: From the Measure menu, you can also find many most commonly used measurements directly under one of the function keys , or .

  • Page 56: Ordering Measurement Readings

    3 - 10 91/92/96/99/105 Users Manual ORDERING MEASUREMENT READINGS MEASURING FUNCTIONS NOT AVAILABLE FROM THE MEASURE MENU At default, three measurement readings are displayed at the same time, although you can display up to four There are also a few more measurements that you can readings.

  • Page 57: Additional Measurements For The Scope Mode

    Making Measurements 3 - 11 dBm AC (decibel milliwatt) Measure the power ratio of For dBV, dBm and dBW, you can select a range of the AC component of a signal with respect to 1 mW in references by pressing Meter mode.

  • Page 58: Using The Measurements Map

    3 - 12 91/92/96/99/105 Users Manual USING THE MEASUREMENTS MAP The measurements can be selected in various menus. The following Measurements map shows where you can find all measurements. MAIN MENU MEASURE MENU Voltage Measurements V DC • • • Vrms AC •...
  • Page 59 Making Measurements 3 - 13 MAIN MENU MEASURE MENU Power Measurements dBV DC • • • dBV AC • • • dBV AC+DC • • dBV AC (no DC) • dBm DC • • • dBm AC • • • dBm AC+DC •...
  • Page 60 3 - 14 91/92/96/99/105 Users Manual MAIN MENU MEASURE MENU Ampere Measurements A DC • • • A AC • • • A AC+DC • • • A AC (no DC) • Temperature Measurements ° • ° • Resistance Measurements •...
  • Page 61 Chapter 4 Using the Dual Display Mode Functions MAKING CONNECTIONS ..... . 4-2 MAKING MEASUREMENTS SELECTING A MAIN MODE ....4-3 IN METER AND EXT.mV MODE .

  • Page 62: Making Connections

    4 - 2 91/92/96/99/105 Users Manual MAKING CONNECTIONS ScopeMeter test tool measurement connections are illus- Scope only trated in Figure 4-1. Use the red INPUT A BNC jack for Scope and Meter modes. Use the grey INPUT B BNC jack as a second input for Scope measurements .

  • Page 63: Selecting A Main Mode

    Using the Dual Display Mode Functions 4 - 3 SELECTING A MAIN MODE At power-on, the main menu at the bottom of the display is always shown. To get the main menu from another menu or screen, press Main menu Choose a main mode with any of the function keys: , or The measuring result is then displayed.
  • Page 64 4 - 4 91/92/96/99/105 Users Manual If necessary, you can select the range of both the scope trace and meter display, and the time base speed. Press to select the desired attenuation. • Ranges are from 1V to 3 kV (Vrms: 2.5 kV) with 10:1 probe, or from 100 mV to 300V (Vrms: 250V) with direct 1:1 input.
  • Page 65 Using the Dual Display Mode Functions 4 - 5 The measurement result is displayed as a 3 2/3-digit display. The ranges are 30Ω (manual only), 300Ω, 3 kΩ, 30 kΩ, 300 kΩ, 3 MΩ, and 30 MΩ. A beeper alert is generated at <5% of a selected range in Manual Range mode.
  • Page 66 4 - 6 91/92/96/99/105 Users Manual EXTernal milliVolt function. Signals supplied to the red and black 4-mm banana jack inputs are measured. The red banana jack is the high input, and the black banana jack (COM) is the low. The ranges are 300 mV, and 3V.

  • Page 67: Selecting Ranges (Manual/Auto Range)

    Using the Dual Display Mode Functions 4 - 7 SELECTING RANGES (MANUAL/AUTO RANGE) In manual range, the input attenuator range can be changed by pressing the INPUT A key or , when these are assigned to . If in auto range, this switches automatically to manual range, and MANUAL appears in the top right of the display.

  • Page 68: Holding A Stable Measurement (Touch Hold )

    4 - 8 91/92/96/99/105 Users Manual HOLDING A STABLE MEASUREMENT  (TOUCH HOLD The Touch Hold function captures the next stable measurement and a beep indicates that a stable measurement has been made. When the Touch Hold function is turned on, the numeric display is frozen (held) until stable measurement...

  • Page 69: Displaying Minimum And Maximum Readings With Related Trendplot

    Using the Dual Display Mode Functions 4 - 9 DISPLAYING MINIMUM AND MAXIMUM READINGS WITH RELATED TRENDPLOT Displaying a Min Max Record Press to record the maximum (MAX), average (AVG), minimum (MIN), and difference (MAX-MIN) readings of the main (upper displayed) measurement. The test tool also continues to display the present reading.

  • Page 70: Freezing The Display

    4 - 10 91/92/96/99/105 Users Manual ATTENTION Freezing the Display You can press at any time to freeze the displayed An overload of MAX or MIN will stop the Min Max readings. HOLD appears in the top right of the display. record mode.

  • Page 71: Selecting The Scopemeter Key Submenu

    Using the Dual Display Mode Functions 4 - 11 SELECTING THE SCOPEMETER KEY SUBMENU From any main mode, you can access the main mode sub- menu by pressing for more control over the selected mode. Figure 4-3 shows the METER mode submenu. Figure 4-4 More Meter Mode Enabling and Disabling the Change Alert™...

  • Page 72: Making Measurements In V And Ext.mv Mode

    4 - 12 91/92/96/99/105 Users Manual MAKING MEASUREMENTS IN METER AND TAKING RELATIVE READINGS (SCALING) EXT.mV MODE Scale Main Reading displays the present measurement In Meter and EXT.mV mode you can make the same result with respect to a defined range. From a Submenu, measurements as found in the Measure Menu.

  • Page 73: Readings As A Percent Change From Reference Point (Zero %∆)

    Using the Dual Display Mode Functions 4 - 13 Readings as a Percent Change from Reference Point Readings Displayed as a Percent of Scale (0%-100%) (Zero %∆) Scaling starts automatically when both 0% and 100% Select "ZERO %∆" to set the present upper reading as the values have been entered as the scaled reference values.

  • Page 74: Stop Scaling

    4 - 14 91/92/96/99/105 Users Manual A typical scaling display is shown in the figure below: Stop Scaling To stop scaling do one of the following: • Choose another function. Highlight SCALE READING in the More window, press • , highlight "off", and press Readings Relative to a Minimum or Maximum Value (Min Max Zero ∆) Min Max Zero ∆...

  • Page 75: Scaling Using Minimum And Maximum Readings

    Using the Dual Display Mode Functions 4 - 15 recording mode. First press to activate Min Max recording. Next, from a Submenu MORE window, use to highlight SCALE READING. Then press to open the Scale list box. NOTE In this example the Ohm Min Max Scaling is used. Figure 4-6 Min Max Scaling Functions Min Max Scaling views the readings as relative percentage values.
  • Page 76 4 - 16 91/92/96/99/105 Users Manual 5. Use to highlight REFERENCE 0% and press 6. Measure the signal. The minimum value represents the 0% value. 7. Highlight MIN and press to set the recorded minimum value as 0% reference. 8. Press (CLOSE) to remove the window.
  • Page 77 Chapter 5 Using in Scope Mode MAKING CONNECTIONS ..... . 5-2 TRIGGERING ......5-11 MAKING AN EASY SETUP .

  • Page 78: Making Connections

    5 - 2 91/92/96/99/105 Users Manual MAKING CONNECTIONS Scope connections are illustrated in Figure 5-1. Maximum scope inputs on either BNC are as follows: Maximum input signal voltage: 300V rms direct • • Maximum input signal voltage: 600V rms when using 10:1 probe Voltage to ground: 600V rms...

  • Page 79: Making An Easy Setup

    Using the Scope Mode 5 - 3 MAKING AN EASY SETUP CONTROLLING INPUTS A AND B Continuous Auto Set automatically selects the optimum Press to open the input settings menu. settings for connected input signals and keeps track of any variation of the signal.

  • Page 80: Adjusting The Amplitude

    5 - 4 91/92/96/99/105 Users Manual ADJUSTING THE AMPLITUDE Capturing Glitches Press on INPUT A to turn GLITCH DETECTion on. You can use for INPUT A or INPUT B This function displays the events that occur between two adjust input waveform attenuation. Sixteen ranges are samples on INPUT A.

  • Page 81: Adjusting The Time Base

    100ns/DIV - 1s/DIV Roll 2s/DIV - 60s/DIV • Fluke 91, 92, 96 and 99 : 10ns/DIV Fluke 105 : 5ns/DIV The time base can be changed in increments of 1, 2, and 5 (e.g., 10 ns, 20 ns, 50 ns).

  • Page 82: Positioning The Waveform On The Display

    5 - 6 91/92/96/99/105 Users Manual POSITIONING THE WAVEFORM ON THE DISPLAY Considerable flexibility is offered in moving the trace(s) around the display. reposition the trace up or down four divisions. This operation can be done separately each input. simultaneously repositions all traces left or right from -4 to +16.5 divisions.

  • Page 83: Acquiring Waveforms

    Using the Scope Mode 5 - 7 ACQUIRING WAVEFORMS Roll Mode Roll mode supplies a visual log of waveform activity and is Choosing Recurrent or Single Acquisition especially useful when measuring lower frequency You can instruct the ScopeMeter test tool to continuously waveforms.

  • Page 84: Using "Zoom" To Increase Or Decrease Time Resolution

    5 - 8 91/92/96/99/105 Users Manual Using "Zoom" to Increase or Decrease Time Resolution Zoom displays a waveform with increased time resolution, giving up to 1000x magnification. Use the following procedure to Zoom in a waveform: 1. Press 2. Use the keys to highlight "scope zoom".

  • Page 85: Selecting The Scope Submenu

    Using the Scope Mode 5 - 9 SELECTING THE SCOPE SUBMENU Capturing 10 or 20 Divisions This enables you to capture either 10 or 20 divisions of From the Scope mode, press to open the Scope waveform detail. mode submenu. This gives you more control over the Selecting 10 divisions, or one full screen, is sufficient for Scope mode.

  • Page 86: Smoothing The Waveform (Average)

    5 - 10 91/92/96/99/105 Users Manual Smoothing the Waveform (Average) Additional information about smoothing appears in Chapter 6. Waveform samples with and without averaging are shown The test tool can average multiple samples of a waveform, in Figure 5-9. allowing for noise suppression without loss of bandwidth. To select average in the Scope mode, do the following: 1.

  • Page 87: Triggering

    Using the Scope Mode 5 - 11 TRIGGERING Trigger Basics Triggering tells the ScopeMeter test tool when to begin displaying the waveform. You can select which input signal should be used as the source, on which edge this should occur, and at what waveform level it should occur. Finally, you can tell the test tool to delay the waveform to be displayed with a specified time delay, number of cycles, or number of events.

  • Page 88: Selecting A Trigger Source

    5 - 12 91/92/96/99/105 Users Manual • Press to open the Trigger menu. • GENERATOR . See Chapter 6 for more information. NOTE EXTERN and GENERATOR are mutually exclusive; selecting one deactivates the other. Figure 5-11 Trigger Menu Defining the Trace Start Selecting a Trigger Source Highlight TRACE START and press to open the list...

  • Page 89: Selecting A Trigger Level

    Using the Scope Mode 5 - 13 Selecting a Trigger Level Press to enter the Time Delay list box. Use to set the trigger time delay in increments of the Press to open the ADJUST LEVEL box. If you have existing time base divisions.

  • Page 90: Displaying The Minimum And Maximum Of A Waveform

    OF A WAVEFORM The ScopeMeter test tool records the envelopes (minimum and maximum values) of the live waveforms A and B and A±B. (INPUT B not in FLUKE 91). Press to activate the Min Max envelope mode. MIN MAX now appears on the top right of the display.

  • Page 91: Making Combinations With Input Aand Input B

    Using the Scope Mode 5 - 15 MAKING COMBINATIONS WITH INPUT A AND INPUT B Press on INPUT B to select A+B to show INPUTS A and B added together or to select A-B to show INPUT B subtracted from INPUT A. You can also choose A+B and A-B from the MORE INPUT A or MORE INPUT B window.

  • Page 92: Adapting The Display

    5 - 16 91/92/96/99/105 Users Manual ADAPTING THE DISPLAY FULL adds a crosshatch pattern based on the horizontal time and vertical amplitude divisions on the display. You can adapt the display to your preference as follows: 1. Press 2. Press to open the Display Menu window.

  • Page 93: More Information

    Using the Scope Mode 5 - 17 In the DISPLAY window you can also choose the DOT JOIN function, which either shows the individual measure- ment samples or joins them together to give a continuous trace. DISPLAY MODE allows you to select normal or reverse video.
  • Page 94 Chapter 6 Using Additional Capabilities MAKING MEASUREMENTS USING THE CURSORS 6-2 USING A PRINTER ......6-14 Using the Markers .

  • Page 95: Making Measurements Using The Cursors

    6 - 2 91/92/96/99/105 Users Manual MAKING MEASUREMENTS USING THE CURSORS Cursors allow make precise digital measurements of waveform activity between measurement areas. This can be done on live waveforms and on saved waveforms. From Scope mode, press to turn on (and •...

  • Page 96: Using The Markers

    Using Additional Capabilities 6 - 3 When the cursor readings are turned on, you can choose 4. Choose the waveform source with Measure on Wave- one or more measurements as follows: form. The source selection is determined by active dis- play traces.

  • Page 97: Adding A Cursor Main Reading

    6 - 4 91/92/96/99/105 Users Manual Adding a Cursor Main Reading From the ADD MAIN READING list box, use to highlight the reading to display, then press select. Repeat this for more readings. In making cursor measurement calculations, the ScopeMe- ter test tool uses waveform activity between the cursors.
  • Page 98 Using Additional Capabilities 6 - 5 • TRIG to left Measures the time difference between the • rise time Measures the rise time between 10% and trigger occurrence and the left cursor. 90% points of the waveform. The 0% and 100% points are determined by the intersection of the waveform and •...

  • Page 99: Deleting Memories

    6 - 6 91/92/96/99/105 Users Manual DELETING MEMORIES CAUTION Open the Delete Menu at any time by pressing A Master Reset destroys all memory contents and leaves initial setup with its default settings. Refer to "Master Reset configuration" further on in this chapter for a complete discussion of Initial Setup.

  • Page 100: Saving To Memory

    40 for future reference. You can save a maximum of setups (For FLUKE 96 you can save a maximum of 20 set- 10 screens (For FLUKE 96 you can save a maximum of ups).

  • Page 101: Recalling From Memory

    6 - 8 91/92/96/99/105 Users Manual RECALLING FROM MEMORY press to open the More Save window. You can review screens and recall waveforms and setups from memory at any time. • Press to open the Recall from Memory menu. Figure 6-5 More Save Window First choose what you want to copy, a waveform or a Recall Menu setting.

  • Page 102: Recalling A Waveform

    Using Additional Capabilities 6 - 9 2. Use (PREVIOUS SCREEN) or (NEXT You can display a maximum of four waveforms at a time. If SCREEN) to step through the saved screens. you attempt to display a fifth waveform, a message lets you know you have exceeded the maximum number allowed 3.

  • Page 103: Recalling A Setup Configuration

    6 - 10 91/92/96/99/105 Users Manual To reposition any of the recalled waveforms on the display, first select the appropriate waveform separately by pressing , highlight "move #" in the list box with , and press to select. appears in the right bottom of the display.

  • Page 104: Using Waveform Math Functions

    Using Additional Capabilities 6 - 11 USING WAVEFORM MATH FUNCTIONS You can perform several math functions on the various waveforms or memories. • ADD, SUBTRACT, and MULTIPLY require two oper- ands (SOURCE 1 and SOURCE 2). The operands can Figure 6-6 Math Window for Multiply be selected from acquisition memories or waveform Scaling the Display memories.
  • Page 105 6 - 12 91/92/96/99/105 Users Manual Multiply Multiplies two waveforms (each sourced from an active input or a memory location) and stores the result in the next free waveform memory. For example, power can be calculated with MULTIPLY if SOURCE1 represents the voltage drop across a device and SOURCE 2 represents current through that device.
  • Page 106 Using Additional Capabilities 6 - 13 Filter Any waveform (active input or memory) can be filtered, with the resulting waveform stored in a new memory location. Noise suppression or simply waveform smoothing is thereby possible. Filtering is especially useful with single-shot waveforms, where averaging of multiple waveform samples is not otherwise available.

  • Page 107: Using A Printer

    6 - 14 91/92/96/99/105 Users Manual USING A PRINTER NOTE The following instructions relate to actions you must take at Connecting to a Printer the test tool end of this operation. For more information Optically Isolated RS-232 Adapter/Cable about advised printer setup parameters, see Appendix 10D. (PM9080/001) to connect a printer to the OPTICAL INTER- FACE connection of the ScopeMeter test tool.
  • Page 108 Using Additional Capabilities 6 - 15 SCREEN (default setting) Print a graphic copy of the READINGS Print a numerical representation of the actual display (Scope, Meter, or in any other mode). measured values in table form. Printing can be done once (single) or repetitively with a selected interval time.

  • Page 109: Printing Grey In White Or Black

    6 - 16 91/92/96/99/105 Users Manual WAVEFORMS Print selected waveform. waveform is printed in a numerical format that represents sample data points (Scope mode only). You can calculate the real voltage of each data point by subtracting the Y-pos from the data point value (3-0=3, etc), then multiplying this with the 200 mV/dot parameter (3 * 200 mV = 600 mV).

  • Page 110: Using The Waveform Generator

    Using Additional Capabilities 6 - 17 USING THE WAVEFORM GENERATOR TESTING COMPONENTS Press and then to open the GENERATE menu. You can now select a waveform output at the red (GENE- RATOR OUT) and black (COMmon) 4-mm banana jacks. Figure 6-9 Generator Menu 1.
  • Page 111 6 - 18 91/92/96/99/105 Users Manual 2. Choose the type of TEST WAVEFORM: the test tool outputs a slow voltage sweep (-2V to +2V) or current sweep (0 to +3mA). 3. Choose the TEST PROBE COUPLING: AC or DC coupling. Connect the component to be tested between the red (GENERATOR OUT) and black (COMmon) 4-mm banana jacks.

  • Page 112: Changing The Reset Configurations

    Using Additional Capabilities 6 - 19 CHANGING THE RESET CONFIGURATIONS • Print Format Screen Printer Setup FX/LQ Graph, 1200 Baud • When you turn the test tool on, it begins operation in the last-known configuration, and the main SCOPEMETER To perform a selective reset, do the following: function menu appears.

  • Page 113: Altering The Continuous Auto Set Configuration

    6 - 20 91/92/96/99/105 Users Manual ALTERING THE CONTINUOUS AUTO SET CONFIGURATION When is pressed, the instrument assumes the Continuous Auto Set configuration. Figure 6-12 Startup Menu Window There are ways to alter the Continuous Auto Set configura- tion. These two methods are discussed below. 2.
  • Page 114 Using Additional Capabilities 6 - 21 A B COUPLING (Default is DC: both inputs are DC coupled). TURN OFF AVERAGING (Default is yes: smooth function is turned off). TURN OFF X-MOVE (Default is yes: waveform in center of the display). TURN OFF Y-MOVE (Default is yes: waveform in center of the display).
  • Page 115 Chapter 7 Measuring Examples MEASURING TEMPERATURE ....7-2 MEASURING PHASE USING THE CURSORS ..7-12 MEASURING CURRENT ..... . 7-4 MEASURING PULSE RESPONSE MEASURING POWER WITH MATH FUNCTION .

  • Page 116: Measuring Temperature

    7 - 2 91/92/96/99/105 Users Manual This chapter examines some typical measurements that can be made with your ScopeMeter test tool. The exam- ples given can be used as an aid in many applications. RED DOT MEASURING TEMPERATURE Temperature is an often measured characteristic. The 80T-150U optional Temperature Probe can be used in conjunction with the test tool to measure the surface temperature, air temperature, and non-corrosive liquid...
  • Page 117 Measuring Examples 7 - 3 ➄ Move the slide switch on the probe to the °C position. ➅ The actual air temperature appears on the display. ➆ The test tool starts continuously recording the air temperature and graphs the minimum, maximum, and average temperatures on the display.

  • Page 118: Measuring Current

    7 - 4 91/92/96/99/105 Users Manual MEASURING CURRENT The 80i-1000s Current Probe is an optional accessory designed for use with the ScopeMeter test tool to measure current flow in electrical circuits. The reading in the Measure menu can be assigned to current (amps) sensed by the Current Probe.
  • Page 119 Measuring Examples 7 - 5 ➀ Set current probe range switch to 10 mV/A. ➁ Do a Reset; probe scaling factor is 10:1. ➂ ➪ ➃ Select page 4 of the More Measure window. ➄ ➪ : A AC+DC METER ➅...
  • Page 120 7 - 6 91/92/96/99/105 Users Manual To see the current as a waveform, set the test tool as follows: ➀ Set Current Probe range switch to 10 mV/A. ➁ Do a Reset; probe scaling factor is 10:1. ➂ Select Scope mode. ➃...

  • Page 121: Measuring Power With Math Function

    Measuring Examples 7 - 7 MEASURING POWER WITH MATH FUNCTION When used with the optional 80i-1000s Current Probe, the ScopeMeter test tool is able to measure voltage and current at the same time. This may be used to measure average power consumption of an electrical load on a single-phase circuit.
  • Page 122 7 - 8 91/92/96/99/105 Users Manual ➀ Select Continuous Auto Set. ➁ ➂ Open the Math menu. ➃ ➪ Select each item. Store the resulting waveform in Destination memory 1. ➄ Close the window. In Figure 7-7, INPUT A represents the current measure- ment, INPUT B the voltage measurement, and Destination memory 1 the product (equals power).

  • Page 123: Measuring Three-Phase On A Dual Input

    Measuring Examples 7 - 9 MEASURING THREE-PHASE ON A DUAL WARNING INPUT THE SETUP REQUIRES CONNECTING TEST LEADS Dual input measurements can be used for many applica- TO LIVE COMPONENTS OF A HIGH ENERGY CIRCUIT. tions. This example shows how to use these measure- TO AVOID ELECTRIC SHOCK AND/OR EQUIPMENT ments to determine phase rotation of a "Y"...
  • Page 124 7 - 10 91/92/96/99/105 Users Manual ➀ Make sure the circuit breaker is turned off. Connect the test tool to two circuit breakers of two different phases and the Do a Reset; probe scaling factor is 10:1. neutral bus bar as shown in Figure 7-9. Use the alligator ➁...
  • Page 125 Measuring Examples 7 - 11 ➅ ➪ The upper display in Figure 7-10 shows that phase 2 (INPUT B) follows phase 1 (INPUT A). The lower display ➆ ➪ : Vrms AC (METER) shows that phase 3 follows phase 1. The Volt RMS readout (about 230 Vrms) appears on the display.

  • Page 126: Measuring Phase Using The Cursors

    7 - 12 91/92/96/99/105 Users Manual ➆ MEASURING PHASE USING THE CURSORS Choose ADD MAIN READING. ➇ In this example you will use the cursors to measure the phase difference between the waveforms on INPUT A and Open the list box. B.
  • Page 127 Measuring Examples 7 - 13 The display shows the phase between the waveforms on INPUT A INPUT B: "phase A>B -120°" (see Figure 7-12). To identify the point on the waveforms where the measure- ment has occurred, you can use the markers on page 3 within the More Scope window.

  • Page 128: Measuring Pulse Response Of An Amplifier

    7 - 14 91/92/96/99/105 Users Manual ➀ MEASURING PULSE RESPONSE OF AN AMPLIFIER Do a Reset; probe scaling factor is 10:1. ➁ In this example you will use cursors to measure the rise time of a pulse. Rise time is an indication of the bandwidth Set the test tool to Scope mode.
  • Page 129 Measuring Examples 7 - 15 ➆ Set the left cursor to the low level of the waveform: see Figure 7-14. This is the 0% reference point. ➇ Set the right cursor to the high level of the waveform: see Figure 7-14. This is the 100% reference point. ➈...
  • Page 130 Chapter 8 ScopeMeter Test Tool Tutorial TESTING POTENTIOMETERS ....8-4 MAKING SINGLE SHOT MAKING LOW FREQUENCY VOLTAGE MEASUREMENTS WITH THE SCOPE ..8-20 MEASUREMENTS WITH THE METER .
  • Page 131 8 - 2 91/92/96/99/105 Users Manual This chapter demonstrates how to use several of the NOTE advanced features of your ScopeMeter test tool. To All displays shown in the example figures are typical become familiar with these features, you must use the values.
  • Page 132 ScopeMeter Test Tool Tutorial 8 - 3 IMPORTANT This illustration is a connection example only. Follow instructions in this chapter to connect the red and grey Scope Probe to the correct test points. When not used, disconnect the grey Scope Probe from input B.

  • Page 133: Testing Potentiometers

    8 - 4 91/92/96/99/105 Users Manual TESTING POTENTIOMETERS The ScopeMeter test tool can provide a numeric readout and a graphic display of resistance. Using the COM (black) and Ω (red) 4-mm banana inputs, connect the test tool to the wiper and one end of the variable resistance to be tested.

  • Page 134: Making Low Frequency Voltage Measurements With The Meter

    ScopeMeter Test Tool Tutorial 8 - 5 MAKING LOW FREQUENCY VOLTAGE Making the Measurement MEASUREMENTS WITH THE METER 1. Reset the ScopeMeter test tool ( The ScopeMeter test tool can make RMS voltage You should now see two unstable voltage readings, an measurements on signals as low as 1 Hz.
  • Page 135 8 - 6 91/92/96/99/105 Users Manual A. FINDING THE MINIMUM AND MAXIMUM. The Minimum and Maximum levels in this example are DC. To select DC Volts as the main reading: Press Press (V). Press to select the highlighted function V DC METER.
  • Page 136 ScopeMeter Test Tool Tutorial 8 - 7 Selecting a manual range will stop the relay clicking: Press of INPUT A, and select the 10V range. The range appears on the right of the trace display. The display now shows a DC reading between 0 and about 4 volts, and the trace display shows changing levels and sometimes an edge.
  • Page 137 8 - 8 91/92/96/99/105 Users Manual B. STABILIZING THE TRACE DISPLAY On the left bottom of the waveform display you see a readout of "5 ms", which is the horizontal time base of the trace. The 5 ms/DIV is the slowest time base used in the autorange mode and gives measurements down to 15 Hz.
  • Page 138 ScopeMeter Test Tool Tutorial 8 - 9 C. MAKING AN AC-COUPLED MEASUREMENT To select an AC-coupled measurement: 10. Press 11. Press to open the Meter mode Submenu. 12. Press (MORE METER). 13. Use to highlight ADD MAIN READING, and press to open the list box.

  • Page 139: Assisting Continuous Auto Set On Complex Waveforms

    8 - 10 91/92/96/99/105 Users Manual ASSISTING CONTINUOUS AUTO SET ON To make the true RMS voltage measurement on this low frequency signal, measure Vrms AC+DC in the Measure COMPLEX WAVEFORMS Menu: In the Scope mode, Auto Set samples the inputs to see 16.
  • Page 140 ScopeMeter Test Tool Tutorial 8 - 11 Connection Connect the red scope probe from INPUT A to TP3 on the Demo Board. Making the Measurement Reset the ScopeMeter test tool ( Press to select the SCOPE mode. Press The waveform appears to have a number of levels. Adjust the time base and amplitude to give a display as shown in Figure 8-7: to move the ground level to the third division...
  • Page 141 8 - 12 91/92/96/99/105 Users Manual To see the block of four pulses in detail, increase the time base and use pretrigger delay: Press to increase the time base to 2ms/DIV. Press to highlight "time delay", and press to select. 10.
  • Page 142 ScopeMeter Test Tool Tutorial 8 - 13 Tips and Techniques for a stable display: If there is no highest pulse, there are two other techniques to trigger on a waveform. These are: - Using N-CYCLE delay. - Using a stable trigger source on another input. Using N-CYCLE delay for waveforms with a repetitive pattern.
  • Page 143 8 - 14 91/92/96/99/105 Users Manual To use the N-Cycle mode, do the following: The N-CYCLE sequence has a random starting position within the sequence of events. As the N-CYCLE counts Press trigger pulses, it always provides a trigger output after the nth occurrence (4th in this example, see Figure 8-9).
  • Page 144 ScopeMeter Test Tool Tutorial 8 - 15 (II) Find a stable trigger source that can be connected to the other input. In many applications it is possible to find another waveform that can serve as a trigger source, then Continuous Auto Set does all the work for you. To try this connect the red scope probe from INPUT A to TP3 and connect the grey scope probe from INPUT B to TP2.
  • Page 145 8 - 16 91/92/96/99/105 Users Manual INPUT B is automatically detected during the Auto Set and since it has a lower frequency than INPUT A, it is chosen as the trigger signal. This technique can be used for PWM (Pulse Width Modulated) motor drives where the power line signal can be used (see Figure 8-11).

  • Page 146: Making Low Frequency Measurements With The Scope

    ScopeMeter Test Tool Tutorial 8 - 17 MAKING LOW FREQUENCY 6. Press MEASUREMENTS WITH THE SCOPE 7. Use to higlight "trigger level", and press Connection select. Connect the red scope probe from INPUT A to TP4 on the 8. Use to adjust the trigger level to one Demo Board.
  • Page 147 8 - 18 91/92/96/99/105 Users Manual 14. Use to slow the time base to 500 ms/DIV. The slope of the waveform between the switching edges indicates that it was set for AC coupling. But accurate low 15. Use to set the range to 2 V/DIV. frequency measurements require DC coupling.
  • Page 148 ScopeMeter Test Tool Tutorial 8 - 19 (II) Make sure FREE RUN is off, or the display will possibly be unstable. (III) If you are in doubt about the nature of a waveform, use the following "quick indication" method. Connect INPUT A only. Reset the ScopeMeter test tool Press to select the SCOPE mode.

  • Page 149: Making Single Shot Measurements With The Scope

    8 - 20 91/92/96/99/105 Users Manual MAKING SINGLE SHOT MEASUREMENTS to adjust the trigger level to the mid WITH THE SCOPE level of the waveform. A Single Shot measurement captures and freezes a one- Press a number of times to increase speed to 10 µs/DIV.
  • Page 150 ScopeMeter Test Tool Tutorial 8 - 21 To start the Single Shot measurement: 10. Press The display is first cleared, the rising edge of the pulse is now captured, and the ScopeMeter test tool has returned to the HOLD mode (see Figure 8-14). To capture the falling edge of the pulse in the Single Shot mode: 11.

  • Page 151: Finding Hidden Waveform Details With The Scope

    8 - 22 91/92/96/99/105 Users Manual FINDING HIDDEN WAVEFORM DETAILS Tips for single shot measurements: WITH THE SCOPE Make sure DC coupling is on for the input being used. A. GLITCHES (II) Make sure that TRACE START is set for "Wait for Connection Trigger".
  • Page 152 ScopeMeter Test Tool Tutorial 8 - 23 To turn on the Min Max envelope mode and only catch triggered data, do the following: Press You will then see the sample points build up on the screen. These points stay on the screen, even if the waveform disappears, for example, if you remove the scope probe.
  • Page 153 8 - 24 91/92/96/99/105 Users Manual Press to increase the time base speed to You should now see a slow rising edge across the screen 5 ms/DIV. that is noisy. Activate Min Max envelope for a couple of minutes to see the amplitude of the noise (see Next set the trigger level close to the top of the positive Figure 8-16).
  • Page 154 ScopeMeter Test Tool Tutorial 8 - 25 Averaging can be used to remove this random noise from the waveform. The function will average a number of acquisitions and smooth out the random noise. To use Average: 17. Press to disable Min Max envelope. 18.

  • Page 155: Making Scope Cursor Measurements

    8 - 26 91/92/96/99/105 Users Manual MAKING SCOPE CURSOR MEASUREMENTS A. MAKING CURSOR AMPLITUDE (VOLTAGE) MEASUREMENTS Scope cursors can make measurements on 14 different To select which Cursor measurements are to be made, you waveform parameters, of which a maximum of five can be do the following: presented in the display.
  • Page 156 ScopeMeter Test Tool Tutorial 8 - 27 15. Use to shift the waveform downwards to fit completely on the display. 16. Use to horizontally position cursors as shown in Figure 8-18. As you move the cursors left and right, their intersection with the waveform is indicated by a horizontal dotted line.
  • Page 157 8 - 28 91/92/96/99/105 Users Manual ∆ The voltage at the left cursor is about 400 mV. Remember The dV readout now changes to 0.00 V. Move the left that this waveform is DC coupled, so you are measuring cursor to the right: the absolute DC value.
  • Page 158 ScopeMeter Test Tool Tutorial 8 - 29 B. MAKING CURSOR TIME MEASUREMENTS In addition to amplitude measurements you can also make time measurements. Press once again to turn off "%". Press to open the MORE SCOPE window. Press for page 2. to highlight ADD MAIN READING, and press to open the list box.
  • Page 159 8 - 30 91/92/96/99/105 Users Manual The real frequency (Hz) measurement is an automatic To see the markers: measurement that occurs on the first full period contained between the cursors. If the cursors are too close together Press to open the MORE SCOPE window. for a full period to be recognized, the test tool is unable to make a measurement and you see an answer of "---".
  • Page 160 ScopeMeter Test Tool Tutorial 8 - 31 C. MAKING CURSOR PHASE MEASUREMENTS Press to open the SET MARKERS list box. 10. Use to highlight "phase", and press In addition to the previous connection, also connect the select. grey scope probe from INPUT B to TP2. 11.

  • Page 161: Using The Math Functions

    8 - 32 91/92/96/99/105 Users Manual USING THE MATH FUNCTIONS The phase measurement occurs at the mid-level of the rising edges of the two waveforms, beginning on the first ScopeMeter has a variety of math functions that enable edge after the left cursor. The source waveform (INPUT A) you to extract more information from the waveforms than period is used as the 360-degree reference.
  • Page 162 ScopeMeter Test Tool Tutorial 8 - 33 Now you are ready to do math measurements: Press to open the Special Functions menu. Press to open the MATH MENU window. Press to turn MATH FUNCTION on. to highlight MATH OPERATION, and press to open the list box.
  • Page 163 8 - 34 91/92/96/99/105 Users Manual The result is stored in the first free memory location You should now have a display as shown in Figure 8-22, (memory 1), and is instantly displayed. where the sum of INPUT A and INPUT B is clearly visible. If you want to move the Math result on the display, do the following: Press...
  • Page 164 ScopeMeter Test Tool Tutorial 8 - 35 The Invert, Integrate and Filter functions process informa- With INPUT A set for DC coupling and the waveform tion from just one waveform (or source) and place the varying from about 0 to +4V, the result of the Integrate result in another Waveform memory (or destination).
  • Page 165 8 - 36 91/92/96/99/105 Users Manual The Math Filter function averages the last five and the next You now have a display as shown in Figure 8-24. five samples and removes high frequency noise from low frequency waveforms. Filtering is most useful to clean up single shot acquisitions.
  • Page 166 Chapter 9 User Maintenance CLEANING ....... . . 9-2 CALIBRATING THE PROBES ....9-5 KEEPING BATTERIES IN OPTIMAL CONDITION .

  • Page 167: Cleaning

    ABOVE EARTH GROUND OR ON CIRCUITS >4800 VA. CONDITION USE PROBES AND TEST LEADS WITHIN RATINGS When new, the batteries typically provide 5 hours (Fluke AND INSPECT BEFORE USE. 91, 92, 96 or 99 : 4 hours) of use. To keep batteries in REMOVE UNUSED PROBES AND TEST LEADS.

  • Page 168: Replacing And Disposing Of Batteries

    Ni-Cd This instrument contains a Nickel-Cadmium battery. Do not dispose of this battery with other solid waste. Used batteries should be disposed of by a qualified recycler or hazardous materials handler. Contact your authorized Fluke Service Center for recycling information.
  • Page 169 9 - 4 91/92/96/99/105 Users Manual Install a new NiCad battery pack (PM9086) or new alkaline (C Cell) batteries (type KR27/50 or R14) as shown in Figure 9.1. NOTE Ensure that the NiCad battery pack charging contact is aligned in the battery compartment as shown in Figure 9.1. Use only the PM9086 NiCad battery pack.

  • Page 170: Replacing Fuses

    User Maintenance 9 - 5 REPLACING FUSES Since the test tool uses electronically protected inputs, no fuses are required. CALIBRATING THE PROBES The following procedures describe dc calibration and ac adjustment for the 10:1 probe used on INPUT A (red scope probe) and INPUT B (grey scope probe).
  • Page 171 9 - 6 91/92/96/99/105 Users Manual to highlight 10:1, and press INPUT B Probe Calibration select. Connect the INPUT B BNC input to the GENERATOR OUT red banana jack. See Figure 9-4. Use the grey to select CALIBRATE PROBE on A, and scope probe and the grey 4-mm banana adapter.

  • Page 172: Chapter 10

    Chapter 10 Appendixes 10A Specifications ......10-3 10E Warranty and Service Centers ... . . 10-19 10B Parts and Accesories .

  • Page 173: Specifications

    Publication 1010, Safety FLUKE guarantees the properties expressed in numerical Requirements for Electrical Equipment for Measurement, values with the stated tolerance. Specified non-tolerance Control, and Laboratory Use. This manual contains numerical values indicate those that could be nominally...
  • Page 174 RANGES: Recurrent ........5 ns to 1 s/div (Fluke 105) Waveform Average 10 ns to 1 s/div (Fluke 91, 92, 96, 99) Smoothing up to 256 waveforms. 10 samples in Roll mode..5 ns (10 ns) to 20 µs/div Dual input alternating ......50 µs to 1 s/div...
  • Page 175 Trigger Hz, Vpeak/peak, V max peak, V min peak, rise time, and Sources............ A, B, or EXTernal phase A, EXTernal (FLUKE 91) Sensitivity: A or B........<0.8 div to 10 MHz Waveform Mathematics <1.5 div to 60 MHz Add, Subtract, Multiply, Invert, Filter, or Integrate input <4.0 div to 100 MHz...
  • Page 176 10 - 6 91/92/96/99/105 Users Manual METER MODE Full Scale Reading ......1000 or 3000 counts Crest Factor ..Automatic ranging on crest factor overload Displays up to four readings and a full screen scope Common Mode Rejection Ratio..>60 dB, DC to 60 Hz waveform of INPUT A.
  • Page 177 Appendixes 10 - 7 Ω MODE Full Scale Reading........... 3000 counts (external 4-mm banana jack inputs) Normal Mode Rejection ....>50 dB at 50 or 60 Hz Common Mode Rejection ....>100 dB at DC, 50, 60, Ranges ..30Ω, 300Ω, 3 kΩ, 30 kΩ, 300 kΩ, 3 MΩ, 30 MΩ or 400 Hz Accuracy (300Ω...
  • Page 178 Screen ....all displayed waveforms, readings, and Smooth ..Moving average of readings for about last 8 sec. setup, 10 for Fluke 99 and 105, 5 for Fluke 96 Normal..<3.5 seconds response time for inputs >50 Hz Waveforms ..... individual waveforms with setting, Fast....<1 second response time for inputs >50 Hz...

  • Page 179: General Specifications

    Internal Battery Pack ......NiCad 4.8V nominal Storage ...........12 km (40,000ft) Operating Time ......Typical 5 hours (Fluke 105) Typical 4 hours (Fluke 91, 92, 96, 99) Shock and Vibration ....per MIL-T-28800 for Class 3 Power Adapter/Battery Charger Charging Time .....Typical 21 hours (Fluke 105) Electromagnetic Interference ....
  • Page 180 10 - 10 91/92/96/99/105 Users Manual ACCESSORY INFORMATION Safety Designed to Installation Category III per IEC 1010, Passive Probe 10:1 (PM8918) CSA C22.2 (including approval), and UL1244 Attenuation: x10 (including approval) for 600V measurements on Useful Bandwidth: 100 MHz industrial power distributions systems. Input resistance: 10 MΩ...

  • Page 181: Parts And Accessories

    Part Number: 4822 872 05361 STANDARD KIT CONTENTS DESCRIPTION MODEL PART NUMBER REMARK Yellow Holster PM9083/001 Fluke 91, 92, 96, 99 Grey Holster PM9083/002 Fluke 105 NiCad Battery Pack (installed) PM9086/001 Fluke 91, 92, 96, 99 NiCad Battery Pack (installed)
  • Page 182 10 - 12 91/92/96/99/105 Users Manual DESCRIPTION MODEL PART NUMBER REMARK Probe Set 10:1 PM8918/002 set of two 10:1 Probe (Red) 5322 210 70139 10:1 Probe (Grey) 5322 210 70138 HF Adapter (2 x Black) 5322 263 50193 Adapter Probe Tip to Banana (Red) 5322 264 20096 Adapter Probe Tip to Banana (Grey) 5322 264 20097...
  • Page 183 Mini Test Hook (Red) 5322 210 70131 Trim Screwdriver (Red) 5322 395 50417 Probe Accessory Set PM9094/001 Fluke 92, 96, 99, 105 Adapter Dual Banana Plug to BNC PM9081/001 HF Adapter (2 x Black) 5322 263 50193 Adapter Probe Tip to Banana (Red)
  • Page 184 10 - 14 91/92/96/99/105 Users Manual DESCRIPTION MODEL PART NUMBER REMARK Users Manual (English) 4822 872 00642 Users Manual (German) 4822 872 00643 Users Manual (French) 4822 872 00644 Users Manual (Dutch) 4822 872 00652 Users Manual (Spanish) 4822 872 00645 Users Manual (Italian) 4822 872 00653 Users Manual (Danish)

  • Page 185: Pm8907 Information

    Appendixes 10 - 15 Appendix 10C PM8907 Information Your ScopeMeter test tool is powered by a PM8907 Power Four versions are used with the ScopeMeter test tool: Adapter /Battery Charger. The version you use depends on PM8907/001 Universal European line plug 230V •...
  • Page 186 10 - 16 91/92/96/99/105 Users Manual PM8907/003 PM8907/001 PM8907/008 PM8907/004 Figure 10C-1 Four Versions of PM8907 CAUTION At delivery, the PM8907/008 is set to 230V and is provided with a Power Supply Cord and Attachment Plug that is for use at the 115V setting only. When operating the unit at the 230V setting, you need a North American-to-European line plug adapter.

  • Page 187: Recommended Printer Setup Parameters

    Appendixes 10 - 17 Appendix 10D Recommended Printer Setup Parameters EPSON FX/LQ COMPATIBLES Main Unit Serial Interface Unit Switch Function Setting Print mode at power on OFF (pica) Switch Function Setting ZERO font Baud rate OFF (1200 baud) or ON (9600 baud) Paper-end detector OFF (active) Baud rate...
  • Page 188 10 - 18 91/92/96/99/105 Users Manual HP THINKJET COMPATIBLES Mode switch RS-232 switch Switch Function Setting Switch Function Setting Mode select DOWN (CR=CR) Handshake modes DOWN (XON/XOFF) Mode select DOWN (LF=LF) Parity check/Data bits DOWN (no parity/8 bits) Perforation skip DOWN (No) Parity check/Data bits DOWN (no parity/8 bits)

  • Page 189: Warranty And Service Centers

    Parts, product repairs and services are warranted for 90 days. This warranty extends only to the original buyer or end-user customer of a Fluke authorized reseller, and does not apply to fuses, disposable batteries or to any product which, in Fluke's opinion, has been misused, altered, neglected or damaged by accident or abnormal conditions of operation or handling.
  • Page 190 91/92/96/99/105 Users Manual To obtain warranty service, contact your nearest Fluke authorized service center or send the product, with a description of the difficulty, postage and insurance prepaid (FOB Destination), to the nearest Fluke authorized service center. Fluke assumes no risk for damage in transit.
  • Page 191 Appendixes 10 - 21 INTERNATIONAL Texas Belgium Fluke Service Center N.V. Fluke Belgium S.A. 2104 Hutton Drive Langeveldpark - Unit 5 & 7 California Argentina Suite 112 P . Basteleusstraat 2-4-6 Fluke Service Center Coasin S.A. Carrollton, TX 75006 1600 Sint-Pieters-Leeuw...
  • Page 192 10 - 22 91/92/96/99/105 Users Manual China Finland India Hinditron Services Pvt. Ltd. Fluke Service Center Fluke Finland Oy Philips India Limited Field Service Center Istrimpex Sinnikaliontie 3 Hindustan Times House Emerald Complex Room 2111 Scite Tower P .L. 151...
  • Page 193 Phone: 92 21 587 4641 49 Korea Fax: 92 21 577 035 or 587 4546 Spain B&P International Co.,Ltd. Netherlands Fluke Iberica, S.L. Geopyung Town A-1809 Fluke Nederland B.V. Peru Centro Empresarial Euronova 203-1 Nonhyun-dong Techn. Service Importaciones & Representaciones...
  • Page 194 P .O. Box 961 Fluke Corporation Bangkok 10500 P .O. Box 9090 Phone 66 2 233-63309 Mail Stop 268C Everett, WA 98206-9090 United Kingdom Fluke (UK) Ltd Colonial Way Watford HERTS WD2 4TT Phone: 44 923 240511 Fax: 44 923 225067 Uruguay Coasin Uruguaya S.A.

  • Page 195: Terminology

    Appendixes 10 - 25 Appendix 10F Terminology The following list defines special terms used in this manual. Average A processing technique to obtain the average The terms are listed in alphabetical order. Words shown in value of a repetitive signal, useful to eliminate noise. italics can be found elsewhere in the list.
  • Page 196 10 - 26 91/92/96/99/105 Users Manual Coaxial-type input connector used for INPUT A Decibel Measurements that indicate voltage or power and INPUT B. comparison in a logaritmic scale. Bottom Display The lower part of the display, where the Delta % Percentage change (delta) uses the present function key menu is listed.
  • Page 197 Appendixes 10 - 27 Dual Trace A feature that allows the ScopeMeter test 1 second, measured in Hertz (Hz) where one Hz is one tool to display two separate live waveforms at the same cycle per second. time. Function keys The five blue keys along the top of the Duty Cycle Ratio of a waveform with respect to the total...
  • Page 198 10 - 28 91/92/96/99/105 Users Manual Identifications Display markers better Menu A list of choices on the display to select functions identification of all displayed waveforms, trigger level, delay, via the five function keys. or slope, and ground level. Messages On-line information for the user, provided in Input Coupling Modes of signal transmission for INPUT...
  • Page 199 Appendixes 10 - 29 electrical signals such as waveforms. (recurrently) updates the display. This gives a dynamic look at the waveform activity as it occurs. Peak-to-Peak The highest and lowest voltage value of a waveform. Repetitive Pulse A signal with a regular pattern or frequency.
  • Page 200 10 - 30 91/92/96/99/105 Users Manual Scope Mode In this mode, the ScopeMeter test tool Trace The displayed waveform that shows the voltage works like a digital oscilloscope. variations of the input signal as a function of time. Setup Series adjustments necessary Trigger...

  • Page 201: Menu Map

    Appendixes 10 - 31 Appendix 10G Menu Map This appendix contains a series of charts showing the Figure 10G-9 menus of each individual direct (hard-) key. Menus are Figure 10G-10 shown for the following keys: Figure 10G-11 Figure 10G-1 Figure 10G-12 Figure 10G-2 Figure 10G-13 Figure 10G-3...
  • Page 202 10 - 32 91/92/96/99/105 Users Manual ∆ MORE RECURRENT ZERO GLITCH CURSOR MORE ALERT ZERO FAST RESET ∆ METER SMOOTH READING SCOPE SINGLE DETECT READING Figure 10G-1 SCOPE menu Figure 10G-2 METER menu...
  • Page 203 Appendixes 10 - 33 MORE ALERT ZERO FAST RESET MORE ALERT ZERO FAST RESET ∆ ∆ SMOOTH READING DIODE SMOOTH READING Figure 10G-3 menu Figure 10G-4 Menu...
  • Page 204 10 - 34 91/92/96/99/105 Users Manual MORE ALERT ZERO FAST RESET ∆ EXT.mV SMOOTH READING Figure 10G-5 EXT.mV menu...
  • Page 205 Appendixes 10 - 35 MORE MEASURE TIME See Figure 10G-6b Figure 10G-6a MEASURE menu...
  • Page 206 10 - 36 91/92/96/99/105 Users Manual MORE MEASURE TIME See Figure 10G-6a Figure 10G-6b MEASURE menu...
  • Page 207 Appendixes 10 - 37 MORE DISPLAY GLITCH PROBE A MORE DISPLAY PROBE B INPUT A INPUT A AC DC DETECT MENU INPUT B INPUT B AC DC MENU AC DC In Scope Mode: COUPLING AC DC In Meter Mode: Figure 10G-7 INPUT A menu Figure 10G-8 INPUT B menu...
  • Page 208 10 - 38 91/92/96/99/105 Users Manual MORE +SLOPE TIME ADJUST AUTO MORE SAVE SAVE SAVE DELETE TRIGGER -SLOPE DELAY LEVEL LEVEL SAVE SCREEN WAVEFORMS SETUP MENU Figure 10G-9 TRIGGER menu Figure 10G-10 SAVE menu...
  • Page 209 Appendixes 10 - 39 MORE RECALL RECALL RECALL CLEAR RECALL SCREEN WAVEFORM SETUP WAVEFORM EXIT PREVIOUS NEXT SCREEN SCREEN SCREEN SCREEN Figure 10G-11 RECALL menu...
  • Page 210 10 - 40 91/92/96/99/105 Users Manual MORE RESET DISPLAY PRINTER PROBES OPTIONS MENU MENU MENU MENU See Figure 10G-12b NOTE: For RESET menu, DISPLAY menu, PRINTER menu, and PROBES menu, see Figure 10G-12b Figure 10G-12a USER OPTIONS menu...
  • Page 211 Appendixes 10 - 41 MORE RESET DISPLAY PRINTER PROBES OPTIONS MENU MENU MENU MENU See Figure 10G-12a Figure 10G-12b USER OPTIONS menu...
  • Page 212 10 - 42 91/92/96/99/105 Users Manual GENERATE MATH COMP MENU MENU TEST Figure 10G-13 SPECIAL FUNCTION menu...
  • Page 213 Appendixes 10 - 43 EXIT PREVIOUS NEXT ABOUT INFO PAGE PAGE INFO PAGE PAGE CANCEL DOWN SELECT Figure 10G-14 menu Figure 10G-15 INFO menu...
  • Page 214 Index I - 1 Symbols AC-Coupled Measurement, 8-9 Adapter/Cable, 1-7, 6-14 ° C Probe, 3-4 Adapting the Display, 5-16 ° F Probe, 3-4 Add, 5-15, 6-11, 8-33 Ω Mode, 3-4, 4-4, 10-6 Add Main Reading, 4-12, 6-3 Mode, 3-4, 4-4, 10-7 Adjust Level, 5-13 Adjusting the Amplitude, 5-4 , 1-13...
  • Page 215 I - 2 91/92/96/99/105 Users Manual Battery Replacement, 9-4 Continuity Test, 3-2 Battery Save Feature, 9-3 Continuous Auto Set, 2-5, 5-3, 10-4 Beeper Alert, 4-5, 4-11 Continuous Auto Set Configuration, 6-20 BNC Jack, 1-7 Contrast, 2-3, 10-8 Bottom Display, 1-9 Controlling the inputs A and B, 5-3 Copying Waveforms, 6-8 Crest Factor, 10-6, 10-7...
  • Page 216 Index I - 3 Default Settings, 6-19 Events, 5-13, 10-5 Default Startup, 2-4 External mV Mode, 4-6, 10-7 Delay, 5-13 External Trigger, 5-12 Delay Time, 10-5 Delete Menu, 6-6 Deleting Memories, 6-6 Fast Refresh Rate, 4-11 Delta Time, 3-8 Fault Protection, VIII Demonstration Board, XI, 2-6, 8-2, 10-13 Features, 1-2 Diode, 3-4...
  • Page 217 I - 4 91/92/96/99/105 Users Manual High Frequency Electronic Measurement, XII Low Frequency Measurements, 1-7, 8-17 Hold, 4-10 Low Frequency Voltage Measurements, 8-5 Holster, 1-3, 10-11 HP Thinkjet, 10-18 Humidity, 10-9 Main Display, 1-9 Hz, 3-7, 6-5, 8-29, 10-6 Main Mode, 4-3 Main Reading, 6-4 Manual Range, 4-5, 4-7, 8-7 Industrial Alligator Clips, 10-12...
  • Page 218 Index I - 5 MORE Function Key, 1-11 More INPUT A, 5-15 Parts, 10-10 More INPUT B, 5-15 PC Interface, 10-10 More Measure, 3-3 Percent Change, 4-13 More Save, 6-6 Percent of Scale, 4-13 More Scope, 6-3 Persistence, 5-16, 6-16 More Scope Window, 5-9 Phase, 3-11, 6-5 More Submenu, 4-11...
  • Page 219 I - 6 91/92/96/99/105 Users Manual Quick Indication Method, 8-19 Safety, VIII, 10-10 Quick Measurement Demonstration, 2-7, 2-8, 2-9 Safety Characteristics, 10-3 Quick Operating Guide, 1-3, 10-14 Safety-Protection, X Save, 10-8 Save Waveform, 6-7 Saving a Screen, 6-7 Recall, 10-8 Saving a Setup, 6-7 Recalling a Screen, 6-8 Saving Battery Life, 1-6...
  • Page 220 Index I - 7 Special Functions Menu, 6-11, 6-17 Time Stamp, 8-7 Specifications, 10-3 Top Display, 1-9 Speed Up the Refresh Rate, 4-11 Touch Hold, 4-8, 10-7 Stabilizing the Trace Display, 8-8 Trace Quality, 5-16 Stable Display, 8-13 Trace Start, 5-12 Stable Measurement, 4-8 Trend Plot, 4-9, 8-7, 10-7 Stand, 1-3...
  • Page 221 I - 8 91/92/96/99/105 Users Manual V Max Peak, 3-5, 6-5 V Min Peak, 3-5, 6-5 ∆ Zero , 4-12, 8-28 V peak/peak, 3-5, 6-5 ∆ Zero %, 4-13 Vertical Resolution, 10-4 Zoom, 5-7, 8-24, 10-5 Vibration, 10-9 Voltage Measurements, 3-9 Vrms, 3-5, 6-5 Vrms AC, 3-5 Vrms AC (no DC), 3-10, 8-9...

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