FE 789 Users Manual
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Table of Contents Title Page Introduction ...1 Contacting Fluke...1 Safety Information...2 How to Get Started ...5 Getting Acquainted with the Meter 6 Measuring Electrical Parameters 18 Input Impedance ...18 Ranges...18 Testing Diodes ...18 Displaying Minimum, Maximum, and Average 19 Using AutoHold ...19 Compensating for Test Lead Resistance 20 Using the Current Output Functions 20 Source Mode...20 Simulate Mode ...22 Producing a Steady mA Output 24 Manually Stepping the mA Output 25 i
Table of Contents Title Page Introduction ...1 Contacting Fluke...1 Safety Information...2 How to Get Started ...5 Getting Acquainted with the Meter 6 Measuring Electrical Parameters 18 Input Impedance ...18 Ranges...18 Testing Diodes ...18 Displaying Minimum, Maximum, and Average 19 Using AutoHold ...19 Compensating for Test Lead Resistance 20 Using the Current Output Functions 20 Source Mode...20 Simulate Mode ...22 Producing a Steady mA Output 24 Manually Stepping the mA Output 25 i
FE 789 Users Manual
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789 Users Manual Auto Ramping the mA Output 26 Power-Up Options ...27 Loop Power Supply Mode 29 Battery Life ...31 Maintenance...31 General Maintenance ...31 Calibration ...31 Replacing a Fuse...34 If the Meter does not Work 34 Replacement Parts and Accessories 35 Specifications ...39 ii
789 Users Manual Auto Ramping the mA Output 26 Power-Up Options ...27 Loop Power Supply Mode 29 Battery Life ...31 Maintenance...31 General Maintenance ...31 Calibration ...31 Replacing a Fuse...34 If the Meter does not Work 34 Replacement Parts and Accessories 35 Specifications ...39 ii
FE 789 Users Manual
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The Fluke 789 ProcessMeter™ (referred to test process instruments, and providing a > 24 V loop power supply. It has all the features of the nearest Fluke distributor or Service Center, call: USA: 1-888-99-FLUKE (1-888-993-5853) Canada: 1-800-36-FLUKE (1-800-363-5853) Europe: +31 402-678-200...65-738-5655 Anywhere in the world: +1-425-446-5500 1 ProcessMeter Introduction WWarning Read "Safety Information" before using the meter. Contacting Fluke To order accessories, receive operating assistance, or get the location of a digital multimeter, plus current output capability. Contact...
The Fluke 789 ProcessMeter™ (referred to test process instruments, and providing a > 24 V loop power supply. It has all the features of the nearest Fluke distributor or Service Center, call: USA: 1-888-99-FLUKE (1-888-993-5853) Canada: 1-800-36-FLUKE (1-800-363-5853) Europe: +31 402-678-200...65-738-5655 Anywhere in the world: +1-425-446-5500 1 ProcessMeter Introduction WWarning Read "Safety Information" before using the meter. Contacting Fluke To order accessories, receive operating assistance, or get the location of a digital multimeter, plus current output capability. Contact...
FE 789 Users Manual
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... and actions that may be impaired. 789 Users Manual Address correspondence to power the meter. Before using the meter. • Do not use the meter if it operates abnormally. Pay particular attention to the user; Protection may damage the meter or the equipment under test. When ... damaged. Box 9090, Everett, WA 98206-9090 USA Fluke Europe B.V. Use the meter only as specified in the meter case, to : Fluke Corporation P.O. International symbols used on the World Wide Web: www.fluke.com Safety Information The meter complies with EN61010, ANSI/ISA S82.011994 and CAN...
... and actions that may be impaired. 789 Users Manual Address correspondence to power the meter. Before using the meter. • Do not use the meter if it operates abnormally. Pay particular attention to the user; Protection may damage the meter or the equipment under test. When ... damaged. Box 9090, Everett, WA 98206-9090 USA Fluke Europe B.V. Use the meter only as specified in the meter case, to : Fluke Corporation P.O. International symbols used on the World Wide Web: www.fluke.com Safety Information The meter complies with EN61010, ANSI/ISA S82.011994 and CAN...
FE 789 Users Manual
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... Use the proper jacks, function, and range for the measurement or sourcing application. 3 ProcessMeter Safety Information WCaution To avoid possible damage to meter or to equipment under test: • Disconnect the power and discharge all high-voltage capacitors before connecting the live test lead first. •...; When servicing the meter, use only specified replacement parts. • Use caution when working above 30 V ac rms, 42 V ac pk, or 60 V dc....
... Use the proper jacks, function, and range for the measurement or sourcing application. 3 ProcessMeter Safety Information WCaution To avoid possible damage to meter or to equipment under test: • Disconnect the power and discharge all high-voltage capacitors before connecting the live test lead first. •...; When servicing the meter, use only specified replacement parts. • Use caution when working above 30 V ac rms, 42 V ac pk, or 60 V dc....
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... Current Output Functions" contain information about the various functions and features that can be used. If unfamiliar with the Meter," and begin using the meter. Later, use the Product Overview to refresh your memory about the power-up options, and battery and fuse replacement... paragraph. Display ProcessMeter How to Get Started 789 PROCESSMETER Rotary Switch 100% SpanCheck 0% MIN MAX %STEP RANGE COARSE REL HOLD FINE Hz mV V V mA A mA OFF A mA mA mA 250 HART LOOP POWER COM V Pushbuttons Input/Output Jacks Figure 1. Fluke 789 ProcessMeter anw014f.eps 5
... Current Output Functions" contain information about the various functions and features that can be used. If unfamiliar with the Meter," and begin using the meter. Later, use the Product Overview to refresh your memory about the power-up options, and battery and fuse replacement... paragraph. Display ProcessMeter How to Get Started 789 PROCESSMETER Rotary Switch 100% SpanCheck 0% MIN MAX %STEP RANGE COARSE REL HOLD FINE Hz mV V V mA A mA OFF A mA mA mA 250 HART LOOP POWER COM V Pushbuttons Input/Output Jacks Figure 1. Fluke 789 ProcessMeter anw014f.eps 5
FE 789 Users Manual
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789 Users Manual Getting Acquainted with the Meter To become familiar with the features and functions of the meter, study the following figures and tables. • Figure 2 and Table 2 describe the input/output jacks. • Figure 3 and Table 3 describe the input functions of the ...
789 Users Manual Getting Acquainted with the Meter To become familiar with the features and functions of the meter, study the following figures and tables. • Figure 2 and Table 2 describe the input/output jacks. • Figure 3 and Table 3 describe the input functions of the ...
FE 789 Users Manual
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Common for current to 24 mA. Input for dc current output to 30 mA. Fused with the Meter Item A Jack A c B mA d C V D COM Table 2. Common for up to 440 mA continuous. (1 A for all measurements. Input/Output Jacks Measurement Functions Source Current Function Input for ...
Common for current to 24 mA. Input for dc current output to 30 mA. Fused with the Meter Item A Jack A c B mA d C V D COM Table 2. Common for up to 440 mA continuous. (1 A for all measurements. Input/Output Jacks Measurement Functions Source Current Function Input for ...
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Rotary Function Switch Positions for each input jack position, 30 mA or 1 A High test lead in dmA: Measure mA dc 9 Position Function(s) Pushbutton Actions A OFF Meter off B Default: S Measure ac V h Frequency counter M Selects a MIN, MAX, or AVG action R Selects a fixed range (hold 1 second for auto range) H Toggles AutoHold r Toggles relative reading (... lead in cA: Measure A dc J(Blue) selects ac Same as above, except there is only one range for Measurements No. ProcessMeter Getting Acquainted with the Meter Table 3.
Rotary Function Switch Positions for each input jack position, 30 mA or 1 A High test lead in dmA: Measure mA dc 9 Position Function(s) Pushbutton Actions A OFF Meter off B Default: S Measure ac V h Frequency counter M Selects a MIN, MAX, or AVG action R Selects a fixed range (hold 1 second for auto range) H Toggles AutoHold r Toggles relative reading (... lead in cA: Measure A dc J(Blue) selects ac Same as above, except there is only one range for Measurements No. ProcessMeter Getting Acquainted with the Meter Table 3.
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... repeating 0 % -100 % - 0 % ramp in • 250 Ω series resistor switched out 11 Rotary Function Switch Position for mA Output No. ProcessMeter Getting Acquainted with the Meter Table 4.
... repeating 0 % -100 % - 0 % ramp in • 250 Ω series resistor switched out 11 Rotary Function Switch Position for mA Output No. ProcessMeter Getting Acquainted with the Meter Table 4.
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... COARSE F X Measuring: Toggles AutoHold, or in MIN MAX recording, suspends recording H mA Output: Adjusts output up 0.001 mA FINE 13 ProcessMeter Getting Acquainted with the Meter Table 6.
... COARSE F X Measuring: Toggles AutoHold, or in MIN MAX recording, suspends recording H mA Output: Adjusts output up 0.001 mA FINE 13 ProcessMeter Getting Acquainted with the Meter Table 6.
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Elements of the Display anw004f.eps 15 ProcessMeter Getting Acquainted with the Meter 7 6 5 4 3 9 10 11 8 2 1 12 13 14 15 17 16 Figure 6.
Elements of the Display anw004f.eps 15 ProcessMeter Getting Acquainted with the Meter 7 6 5 4 3 9 10 11 8 2 1 12 13 14 15 17 16 Figure 6.
FE 789 Users Manual
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...in diode test function Lights when MIN MAX recording is showing the minimum-recorded value AVG - the display is held MIN MAX recording status indicators: N - 789 Users Manual Table 7. the display is showing the average value since starting recording (up option) Lights when mA output (source or simulate) is active Lights... in continuity function Lights when dangerous voltage is present Lights when relative reading is on Lights when the battery is low Lights when the meter is transmitting or receiving over the IR port Show the input or output value Lights when AutoHold is on MAX -
...in diode test function Lights when MIN MAX recording is showing the minimum-recorded value AVG - the display is held MIN MAX recording status indicators: N - 789 Users Manual Table 7. the display is showing the average value since starting recording (up option) Lights when mA output (source or simulate) is active Lights... in continuity function Lights when dangerous voltage is present Lights when relative reading is on Lights when the battery is low Lights when the meter is transmitting or receiving over the IR port Show the input or output value Lights when AutoHold is on MAX -
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... autoranging is on Manual Range - Display (cont.) No. Element Meaning M mA, DC, mV, AC, Show the input or output units and multipliers associated with the Meter Table 7. O mo np One of these lights in 25 % steps (15 seconds/step) p - ProcessMeter Getting Acquainted with the numerals M or kΩ, kHz N Auto Range Range...
... autoranging is on Manual Range - Display (cont.) No. Element Meaning M mA, DC, mV, AC, Show the input or output units and multipliers associated with the Meter Table 7. O mo np One of these lights in 25 % steps (15 seconds/step) p - ProcessMeter Getting Acquainted with the numerals M or kΩ, kHz N Auto Range Range...
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...display. 4. Set the rotary function switch to the desired function 3. Reverse the probes. Testing Diodes To test a single diode: 1. The meter should indicate the appropriate diode voltage drop. 5. Plug the test leads into the COM jack. Set the rotary function switch to . 3. Press... on the LCD display Input Impedance For the voltage measurement functions, input impedance is pressed, the meter selects the next higher range. The meter displays OL, indicating a high impedance. 789 Users Manual Measuring Electrical Parameters The proper sequence for 1 second. Press R to the cathode (...
...display. 4. Set the rotary function switch to the desired function 3. Reverse the probes. Testing Diodes To test a single diode: 1. The meter should indicate the appropriate diode voltage drop. 5. Plug the test leads into the COM jack. Set the rotary function switch to . 3. Press... on the LCD display Input Impedance For the voltage measurement functions, input impedance is pressed, the meter selects the next higher range. The meter displays OL, indicating a high impedance. 789 Users Manual Measuring Electrical Parameters The proper sequence for 1 second. Press R to the cathode (...
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.... Warning To avoid possible electric shock, do not use AutoHold. ! Press and hold M for over 40 hours, minimum and maximum readings are stored until the meter is turned off to look at the display. Activate AutoHold to turn on each new stable reading. 19 The... meter beeps and updates the display with each new stable reading (except in steps 4 and 5. Press M to freeze the meter's display on MIN MAX recording. Readings are still recorded, but the displayed average no longer changes...
.... Warning To avoid possible electric shock, do not use AutoHold. ! Press and hold M for over 40 hours, minimum and maximum readings are stored until the meter is turned off to look at the display. Activate AutoHold to turn on each new stable reading. 19 The... meter beeps and updates the display with each new stable reading (except in steps 4 and 5. Press M to freeze the meter's display on MIN MAX recording. Readings are still recorded, but the displayed average no longer changes...
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...and then press r. The way to tell which mode is in use . 20 Source Mode Source mode is necessary to see which the meter regulates current in source and simulate modes. Use source mode whenever it is selected automatically by inserting the test leads into a passive circuit ... to set the present measurement as a relative zero. Using the Current Output Functions The meter provides steady, stepped, and ramped current output for testing 0-20 mA and 4-20 mA current loops. 789 Users Manual Compensating for Test Lead Resistance Use the relative reading feature (Q on the display will...
...and then press r. The way to tell which mode is in use . 20 Source Mode Source mode is necessary to see which the meter regulates current in source and simulate modes. Use source mode whenever it is selected automatically by inserting the test leads into a passive circuit ... to set the present measurement as a relative zero. Using the Current Output Functions The meter provides steady, stepped, and ramped current output for testing 0-20 mA and 4-20 mA current loops. 789 Users Manual Compensating for Test Lead Resistance Use the relative reading feature (Q on the display will...
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... dc voltage of 15 to OUTPUT [ mA, and observe the 0 % output level. Hold down R while turning the meter on. 3. 789 Users Manual Simulate Mode Simulate mode is turned off the meter. 2. Turn off ): 1. To toggle and save the current output span in use. Changing the Current Span The... meter's current output span has two settings (with the current loop under test. WCaution Set the rotary function switch...
... dc voltage of 15 to OUTPUT [ mA, and observe the 0 % output level. Hold down R while turning the meter on. 3. 789 Users Manual Simulate Mode Simulate mode is turned off the meter. 2. Turn off ): 1. To toggle and save the current output span in use. Changing the Current Span The... meter's current output span has two settings (with the current loop under test. WCaution Set the rotary function switch...
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...SOURCE jacks is producing a steady mA output. 789 Users Manual Producing a Steady mA Output When the rotary function switch is in the OUTPUT [ mA position, and the OUTPUT jacks are available when the meter is low enough, the meter will resume sourcing. The meter begins sourcing or simulating 0 %. Use the ...steady mA dc output. Note The STEP pushbuttons described Table 9 are connected to adjust the current as shown in Table 8. If the meter cannot deliver the programmed current because the load resistance is too high or the loop supply voltage is too low, dashes (-----) appear on...
...SOURCE jacks is producing a steady mA output. 789 Users Manual Producing a Steady mA Output When the rotary function switch is in the OUTPUT [ mA position, and the OUTPUT jacks are available when the meter is low enough, the meter will resume sourcing. The meter begins sourcing or simulating 0 %. Use the ...steady mA dc output. Note The STEP pushbuttons described Table 9 are connected to adjust the current as shown in Table 8. If the meter cannot deliver the programmed current because the load resistance is too high or the loop supply voltage is too low, dashes (-----) appear on...
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...[ mA position, and the OUTPUT jacks are available when manually stepping the mA output. 25 Use the pushbuttons to an appropriate load, the meter produces a steady mA dc output. See Table 10 for mA values at each 25 % step. When the impedance between the SOURCE jacks is... too low, dashes (-----) appear on the numeric display. The meter begins sourcing or simulating 0 %. mA Output Adjust Pushbuttons Pushbutton X R COARSE X M FINE FINE h W COARSE r W Adjustment Adjusts up 0.1 mA Adjusts up and down ...
...[ mA position, and the OUTPUT jacks are available when manually stepping the mA output. 25 Use the pushbuttons to an appropriate load, the meter produces a steady mA dc output. See Table 10 for mA values at each 25 % step. When the impedance between the SOURCE jacks is... too low, dashes (-----) appear on the numeric display. The meter begins sourcing or simulating 0 %. mA Output Adjust Pushbuttons Pushbutton X R COARSE X M FINE FINE h W COARSE r W Adjustment Adjusts up 0.1 mA Adjusts up and down ...