Product Manual
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Specifications subject to change without notice. All rights reserved. Users Manual All product names are trademarks of their respective companies. ® 287/289 True-rms Digital Multimeters June 2007, Rev. 2, 3/09 © 2007, 2008 Fluke Corporation.
Specifications subject to change without notice. All rights reserved. Users Manual All product names are trademarks of their respective companies. ® 287/289 True-rms Digital Multimeters June 2007, Rev. 2, 3/09 © 2007, 2008 Fluke Corporation.
Product Manual
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287/289 Users Manual Powering the Meter On and Off Manually 12 Battery Level Indicator 12 Automatic Power-Off 12 Battery Saver Mode 12 Controlling the Backlight 13 Selecting the Range ...13 Understanding Function Menus 13 ... Button ...15 Hold and AutoHold Mode 15 Measuring Crest Factor 16 Capturing Minimum and Maximum Values 16 Capturing Peak Values 18 Low Pass Filter (Model 289 only 20 Making Relative Measurements 21 Making Measurements 22 Measuring AC Voltage 22 Using LoZ for Voltage Measurements (Model...
287/289 Users Manual Powering the Meter On and Off Manually 12 Battery Level Indicator 12 Automatic Power-Off 12 Battery Saver Mode 12 Controlling the Backlight 13 Selecting the Range ...13 Understanding Function Menus 13 ... Button ...15 Hold and AutoHold Mode 15 Measuring Crest Factor 16 Capturing Minimum and Maximum Values 16 Capturing Peak Values 18 Low Pass Filter (Model 289 only 20 Making Relative Measurements 21 Making Measurements 22 Measuring AC Voltage 22 Using LoZ for Voltage Measurements (Model...
Product Manual
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287/289 Users Manual Maintenance ...57 General Maintenance 57 Testing the Fuses...57 Replacing the Batteries 59 Replacing the Fuses 59 Test Lead Storage...59 In Case of Difficulty ......
287/289 Users Manual Maintenance ...57 General Maintenance 57 Testing the Fuses...57 Replacing the Batteries 59 Replacing the Fuses 59 Test Lead Storage...59 In Case of Difficulty ......
Product Manual
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Conductance Measurement 34 19. Diode Testing...37 21. Frequency Display ...43 25. Pulse Width Measurements 46 28. Testing the Current Fuses...58 29. Test Lead Storage ...59 30. Replaceable Parts...64 viii Current Measurement Setup 40 22. Current Measurement Circuit Connection 41 23. Replacing Batteries and Fuses 60 31. Capacitance Measurement 35 20. Duty Cycle Display ...45 27. 287/289 Users Manual 18. Functions Allowing Frequency Measurement 42 24. Duty Cycle Measurements ...44 26.
Conductance Measurement 34 19. Diode Testing...37 21. Frequency Display ...43 25. Pulse Width Measurements 46 28. Testing the Current Fuses...58 29. Test Lead Storage ...59 30. Replaceable Parts...64 viii Current Measurement Setup 40 22. Current Measurement Circuit Connection 41 23. Replacing Batteries and Fuses 60 31. Capacitance Measurement 35 20. Duty Cycle Display ...45 27. 287/289 Users Manual 18. Functions Allowing Frequency Measurement 42 24. Duty Cycle Measurements ...44 26.
Product Manual
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...289 appears in the world: +1-425-446-5500 Visit Fluke's web site at: www.fluke.com Register your Meter at: http://register.fluke.com To view, print, or download the latest manual supplement, visit http://us.fluke.com/usen/support/manuals. Look for cracks or missing plastic. Introduction XWWarning Read "Safety Information" before using this manual... To avoid possible electric shock or personal injury, follow these guidelines: • Use this manual apply to the model 289 and model 287 True-rms Digital Multimeters (hereafter referred to the insulation surrounding the connectors. ...
...289 appears in the world: +1-425-446-5500 Visit Fluke's web site at: www.fluke.com Register your Meter at: http://register.fluke.com To view, print, or download the latest manual supplement, visit http://us.fluke.com/usen/support/manuals. Look for cracks or missing plastic. Introduction XWWarning Read "Safety Information" before using this manual... To avoid possible electric shock or personal injury, follow these guidelines: • Use this manual apply to the model 289 and model 287 True-rms Digital Multimeters (hereafter referred to the insulation surrounding the connectors. ...
Product Manual
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287/289 Users Manual • Make sure the battery door is indicated may be present. Protection may be impaired. Voltages greater than the rated voltage, as the meter and that have been approved by the manual. • Use the proper terminals, function, and range for measurements. • Avoid working with the circuit. 2 • When...
287/289 Users Manual • Make sure the battery door is indicated may be present. Protection may be impaired. Voltages greater than the rated voltage, as the meter and that have been approved by the manual. • Use the proper terminals, function, and range for measurements. • Avoid working with the circuit. 2 • When...
Product Manual
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... is applied to the Meter's input jacks. • Before measuring current, check the Meter's fuses. (See "Testing the Fuses" in the Users Manual on or a signal is displayed. 3 • Use proper protective equipment, as required by local or national authorities when working in hazardous areas. ...with local and national safety requirements when working in circuits that could be damaged by this mode's low impedance (≈3 kΩ). (Model 289 only) Hazardous Voltage To alert you to the equipment under test, follow these guidelines: • Disconnect circuit power and discharge all high-...
... is applied to the Meter's input jacks. • Before measuring current, check the Meter's fuses. (See "Testing the Fuses" in the Users Manual on or a signal is displayed. 3 • Use proper protective equipment, as required by local or national authorities when working in hazardous areas. ...with local and national safety requirements when working in circuits that could be damaged by this mode's low impedance (≈3 kΩ). (Model 289 only) Hazardous Voltage To alert you to the equipment under test, follow these guidelines: • Disconnect circuit power and discharge all high-...
Product Manual
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... and US standards Conforms to European Union directives $ ; CAT III equipment is designed to Fluke's website for recycling information. 4 Do not dispose of this manual. refer to manual Battery (Low battery when shown on the Meter and in large buildings. Go to protect against...Information; CAT IV equipment is designed to protect against transients from the primary supply level, such as unsorted municipal waste. 287/289 Users Manual Symbols Table 1 lists and describes the symbols used on the display) J Earth ground Continuity test or continuity beeper tone ...
... and US standards Conforms to European Union directives $ ; CAT III equipment is designed to Fluke's website for recycling information. 4 Do not dispose of this manual. refer to manual Battery (Low battery when shown on the Meter and in large buildings. Go to protect against...Information; CAT IV equipment is designed to protect against transients from the primary supply level, such as unsorted municipal waste. 287/289 Users Manual Symbols Table 1 lists and describes the symbols used on the display) J Earth ground Continuity test or continuity beeper tone ...
Product Manual
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Figure 1. H Freezes the present reading in the display and allows the display to manual and then cycles through all ranges. R M Switches the Meter range mode to be saved. To return to Meter circuits. Also accesses AutoHold. G Switches the display ...
Figure 1. H Freezes the present reading in the display and allows the display to manual and then cycles through all ranges. R M Switches the Meter range mode to be saved. To return to Meter circuits. Also accesses AutoHold. G Switches the display ...
Product Manual
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This is helpful when scrolling through a list of selections, such as a list of a button causes the selection to change (or advance) a selection until the button is held for two or more seconds. 287/289 Users Manual Using Auto Repeat For some selections, the selections will continuously change once. Normally, each press of stored measurements. 6 During some menu selections, holding down a softkey or cursor button will change faster if the button is released.
This is helpful when scrolling through a list of selections, such as a list of a button causes the selection to change (or advance) a selection until the button is held for two or more seconds. 287/289 Users Manual Using Auto Repeat For some selections, the selections will continuously change once. Normally, each press of stored measurements. 6 During some menu selections, holding down a softkey or cursor button will change faster if the button is released.
Product Manual
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...is relative to the middle of the scale. For the zero-center bar graph, a e appears at the top of the normal bar graph. 287/289 Users Manual Table 3. M Units Indicates the units of the input signal (volts or amps) and not the value in the primary display. Because the graph ..., the major divisions on /off -scale values, f appears to ±10 %. K Date Indicates the date set in and the ranging mode (auto or manual). For off icon. Status Bar Elements The status bar at the left end of the selected range. L Beeper Indicates the Meter's beeper is displayed. For...
...is relative to the middle of the scale. For the zero-center bar graph, a e appears at the top of the normal bar graph. 287/289 Users Manual Table 3. M Units Indicates the units of the input signal (volts or amps) and not the value in the primary display. Because the graph ..., the major divisions on /off -scale values, f appears to ±10 %. K Date Indicates the date set in and the ranging mode (auto or manual). For off icon. Status Bar Elements The status bar at the left end of the selected range. L Beeper Indicates the Meter's beeper is displayed. For...
Product Manual
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Button choices made in Table 4. Figure 3. Rotary Switch Positions Switch Position Function L AC voltage measurement using a low input impedance (model 289 only) V AC voltage measurements T AC millivolt measurements U DC and ac+dc voltage measurements N S P DC millivolts, ac+dc millivolt,...emf 10 Table 4. Each position shown in Figure 3 is described in one of the icons around its perimeter. 287/289 Users Manual Understanding the Rotary Switch Select a primary measurement function by positioning the rotary switch to 5,000 μA Resistance measurements with 50e range (...
Button choices made in Table 4. Figure 3. Rotary Switch Positions Switch Position Function L AC voltage measurement using a low input impedance (model 289 only) V AC voltage measurements T AC millivolt measurements U DC and ac+dc voltage measurements N S P DC millivolts, ac+dc millivolt,...emf 10 Table 4. Each position shown in Figure 3 is described in one of the icons around its perimeter. 287/289 Users Manual Understanding the Rotary Switch Select a primary measurement function by positioning the rotary switch to 5,000 μA Resistance measurements with 50e range (...
Product Manual
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287/289 Users Manual Controlling Meter Power The Meter is next turned on, the dispay shows the collected data in stopped mode. Pressing O while the... Backlight and Auto Off Timeouts" later in record, MIN MAX record, or Peak record modes. Powering the Meter On and Off Manually With the Meter off if the rotary switch is not moved or a button is powered off while in this... manual. Automatic Power-Off The Meter automatically turns off , press O to turn the Meter back on after it to turn off , refer to...
287/289 Users Manual Controlling Meter Power The Meter is next turned on, the dispay shows the collected data in stopped mode. Pressing O while the... Backlight and Auto Off Timeouts" later in record, MIN MAX record, or Peak record modes. Powering the Meter On and Off Manually With the Meter off if the rotary switch is not moved or a button is powered off while in this... manual. Automatic Power-Off The Meter automatically turns off , press O to turn the Meter back on after it to turn off , refer to...
Product Manual
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...5. 13 Controlling the Backlight If viewing the display becomes difficult in conductance, diode test, LoZ, Low Ohms, and temperature functions. If Manual range is removed or inserted into a current input jack. • The Meter changes range • IR Communications begin These condictions only ... use a fixed range. In autorange, the Meter selects the lowest range to indicate the Meter is already in this manual. Pressing R switches the Meter between manual and autoranging. recording mode, the time period is 5 minutes. However, the LED surrounding the power button (O) will ...
...5. 13 Controlling the Backlight If viewing the display becomes difficult in conductance, diode test, LoZ, Low Ohms, and temperature functions. If Manual range is removed or inserted into a current input jack. • The Meter changes range • IR Communications begin These condictions only ... use a fixed range. In autorange, the Meter selects the lowest range to indicate the Meter is already in this manual. Pressing R switches the Meter between manual and autoranging. recording mode, the time period is 5 minutes. However, the LED surrounding the power button (O) will ...
Product Manual
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... the function selected the last time the menu was in the relative mode, so pressing the softkey labeled REL would disable the relative function. 287/289 Users Manual VAC REL Peak, CF Menu Hz, %, mS dBm dBV REL REL% Close Figure 5.
... the function selected the last time the menu was in the relative mode, so pressing the softkey labeled REL would disable the relative function. 287/289 Users Manual VAC REL Peak, CF Menu Hz, %, mS dBm dBV REL REL% Close Figure 5.
Product Manual
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... 6 to indicate the actual input. Use the softkeys labeled Next and Prev to move from attempting to replace the more detailed information found in this manual. Pressing the softkey labeled Close, or I to stop you by making a chirping sound and displays "Leads connected incorrectly". The battery level indicator is in progress...
... 6 to indicate the actual input. Use the softkeys labeled Next and Prev to move from attempting to replace the more detailed information found in this manual. Pressing the softkey labeled Close, or I to stop you by making a chirping sound and displays "Leads connected incorrectly". The battery level indicator is in progress...
Product Manual
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... readings taken since the start of time a circuit is only available for more information. The Meter has a 100 millisecond MIN MAX response time. 287/289 Users Manual out open the recording setup screen. Note For temperature measurements, the AutoHold threshold is an important measurement when looking at its rms value. Using the...
... readings taken since the start of time a circuit is only available for more information. The Meter has a 100 millisecond MIN MAX response time. 287/289 Users Manual out open the recording setup screen. Note For temperature measurements, the AutoHold threshold is an important measurement when looking at its rms value. Using the...
Product Manual
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....50 VAC 01:10:09 110.23 Minimum VAC 00:59:59 Start : 06/07/07 7:00 pm Restart Stop Figure 6. As shown in this manual. See the "Setting Backlight and Auto Off Timeouts" section for more information on the Smoothing mode to be lost. Press 17 See the "Enabling and...
....50 VAC 01:10:09 110.23 Minimum VAC 00:59:59 Start : 06/07/07 7:00 pm Restart Stop Figure 6. As shown in this manual. See the "Setting Backlight and Auto Off Timeouts" section for more information on the Smoothing mode to be lost. Press 17 See the "Enabling and...
Product Manual
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... above the recorded maximum value, the Meter beeps and records the new value. To activate the peak mode, press the softkey labeled Menu. 287/289 Users Manual the softkey labeled Save to exit the MIN MAX mode. Press the softkey labeled Close to store the MIN MAX screen data. Press the softkey.... Peak Record Display est43.eps As shown in this point. When the peak value of the display. MIN MAX can not be continued at this manual. In the secondary area of the display, the maximum and minimum peak values as well as the average value are more accurately measured using the...
... above the recorded maximum value, the Meter beeps and records the new value. To activate the peak mode, press the softkey labeled Menu. 287/289 Users Manual the softkey labeled Save to exit the MIN MAX mode. Press the softkey labeled Close to store the MIN MAX screen data. Press the softkey.... Peak Record Display est43.eps As shown in this point. When the peak value of the display. MIN MAX can not be continued at this manual. In the secondary area of the display, the maximum and minimum peak values as well as the average value are more accurately measured using the...