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All rights reserved. Printed in the Netherlands All product names are trademarks of their respective companies. Chapter 2 Getting Started This chapter provides a minute demonstration intended for those who are not familiar with the ScopeMeter test tool. Chapter 3 Making Me Consult this list to find an item quickly. NOTE Throughout this manual an through a model number indicates that the function being discussed does not apply to that specific model number.

Safety Precautions T o use this instrument safely , it is essential that operating and servicing personnel follow both generally Fluke B - page 10 IX 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. Before use, inspect probes for mechanical damage and replace damaged probes! Whenever it is likely that safety has been impaired, the instrument must be turned off and disconnected from lin Always pay attention to the markings on the accessories.

When you select a measurement function, the test tool automatically chooses the best setup to analyze and compare complex waveforms, or All keys and connections are accessible with the holster in place.

Y ou will need to remove the holster only to replace the batteries. See Chapter 8 for battery rep Refer to Figure Using the probe will help in noise rejection.

If you use the Power Adapter PM , connect a test lead from the black 4-mm banana jack COM common to the measurement common ground of the sys Use the following procedure to charge the battery pack and power the instrument: 1. Insert the Power Ada This arrangement is shown in Figure All connections are positioned within a Bottom Display: Displays the menu that provides choices available through the function keys and shows which are active. Usally they give access to a menu, where items can be selected.

The two yellow keys and provide the possible ways to find your measurement. Figure Basic Navigation The five blue keys , , , , and are called function keys. These keys change function based on the present active menu. Actual function key definitions appear on the bottom display. Function keys and windows work together 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 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. Note that new contrast adjustment of the display is stored in memory until a new adjustment is made.

Contrast adjustment Contrast adjustment can also be made after you have pressed , and you have highligh Note that the PM probes, delivered with the test tool, have an attenuation of For accurate measurement, periodic probe calibrations are necessary. The Reset does not clear the memories. T urn the test tool off. Press and hold. Press and release. The test tool turns on, and you should hear a double beep.

At power-on, all five function key definitions in the bottom display are assigned to the Main menu. Ensure the probe range is , as indicated on the displ ay. Fluke B - page 34 Getting Started 2 - 7 3. Open the VOL T measurement menu; a list of the voltage measurements appears on the display 4.

The previous readings a Some measurements are done in another mode. The test tool changes automatically to the Scope mode. Y ou can now find the Rise Time measurement result below the wavef Press this key once to measure a stable display.

Press this key 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 changin Activate the Scope Mode, then press. An image of the waveform appears on the display. The top display shows the attenuato r, probe, time base, and trigger information. The waveform amplitude decreases. The attenuator scale in the top display changes to a less sensitiv 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 T rigger menu now.

W atch the dis Fluke B - page 40 Getting Started 2 - 13 Adjust the trigger level: the " " icon moves upward as you change the trigger level. The red 4-mm banana jack is used for diode test, contin Simply choose your desired measurement and the test tool sets itself up and displays the result. This activates your chosen measurement and closes the window.

The measurement result is instantly displayed on the screen. See Figure for screen examples in Dual Display mode and Scope mode. Measurement results in Dual This is done with DC- coupled input. This opens a single window with a list of measurements See Chapters 4 and 6 for more information. When you exceed the number of selected readings, all readings shift down one and your latest chosen measurement is placed o This is done with DC-coupled input.

This is done with AC-coupled inpu The following Measurements map shows where you can find all measurements. The red and black 4-mm banana jacks are used for , , and modes. For low frequency measure T o get the main menu from another menu or screen, press. Choose a main mode with any of the function keys: , , , , or. The measuring result is then displayed.

Ranges are from 1V to 3 kV V rms: 2. Diode test m 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 mV , and 3V. Use this mode for low voltages and for t The selected attenuator and time When the T ouch Hold function is turned on, the numeric display is frozen held until a stable measurement is detected.

Stable measurements a Five readings appear on the display see the display example in


Fluke 105B, 99B User Manual

Earth AC-Alternating Current The terms "Isolated" or "Electrically floating" are used in this manual to indicate a measurement in which the ScopeMeter test tool COM common, also called ground is connected to a voltage different from earth ground. The term "Grounded" is used in this manual to indicate a measurement in which the ScopeMeter test tool COM common is connected to an earth ground potential. The input connectors have no exposed metal and are fully insulated to protect against electrical shock. The black 4-mm banana jack COM common can be connected to a voltage above earth ground for isolated electrically floating measurements and is rated up to V rms above earth ground. IX The ScopeMeter test tool uses a three-lead connection system for dual input, isolated electrically floating measurements. The connections for isolated and grounded measurements are shown in the following illustration.


Download: Fluke 105b Scopemeter Service Manual.pdf

Chapter 2 Getting Started This chapter provides a minute demonstration intended for those who are not familiar with the ScopeMeter test tool. Chapter 3 Making Measurements This chapter explores all measurements and specifies the use of the direct Measure Menu key. At any time, you can choose over 30 measurements to get an immediate reading on the display. You will learn how to set up the test tool for ac and dc voltage measurements, diode tests, resistance measurements, and trend plotting. Chapter 5 contains all the Scope mode information.

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