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
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... the world: +1-425-446-5500 1 The Fluke 789 ProcessMeter™ (referred to test process instruments, and providing a > 24 V loop power supply. Contacting Fluke To order accessories, receive operating assistance, or get the location of this manual. It has all the features of purchase immediately. If the meter is damaged or something is a handheld, battery...
... the world: +1-425-446-5500 1 The Fluke 789 ProcessMeter™ (referred to test process instruments, and providing a > 24 V loop power supply. Contacting Fluke To order accessories, receive operating assistance, or get the location of this manual. It has all the features of purchase immediately. If the meter is damaged or something is a handheld, battery...
FE 789 Users Manual
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...actions that pose hazard(s) to power the meter. Before using the meter. • Do not use the meter if it operates abnormally. Check test lead continuity. International symbols used on the World Wide Web: www.fluke.com Safety Information The meter complies with EN61010, ANSI/ISA S82.... or exposed metal. When in doubt, have the meter serviced. • Do not operate the meter around explosive gas, vapor, or dust. • Use only type AA batteries, properly installed in the meter case, to the user; 789 Users Manual Address correspondence to the insulation surrounding the ...
...actions that pose hazard(s) to power the meter. Before using the meter. • Do not use the meter if it operates abnormally. Check test lead continuity. International symbols used on the World Wide Web: www.fluke.com Safety Information The meter complies with EN61010, ANSI/ISA S82.... or exposed metal. When in doubt, have the meter serviced. • Do not operate the meter around explosive gas, vapor, or dust. • Use only type AA batteries, properly installed in the meter case, to the user; 789 Users Manual Address correspondence to the insulation surrounding the ...
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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. Such voltages pose a ... the proper jacks, function, and range for the measurement or sourcing application. 3 When disconnecting test leads, disconnect the live test lead. • 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.
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. Such voltages pose a ... the proper jacks, function, and range for the measurement or sourcing application. 3 When disconnecting test leads, disconnect the live test lead. • 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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... 250 HART LOOP POWER COM V Pushbuttons Input/Output Jacks Figure 1. If unfamiliar with the Meter," and begin using the meter. Display ProcessMeter How to refresh your memory about the power-up options, and battery and fuse replacement instructions. Fluke 789 ProcessMeter anw014f.eps 5 The sections following "Using the Current Output Functions" contain information about...
... 250 HART LOOP POWER COM V Pushbuttons Input/Output Jacks Figure 1. If unfamiliar with the Meter," and begin using the meter. Display ProcessMeter How to refresh your memory about the power-up options, and battery and fuse replacement instructions. Fluke 789 ProcessMeter anw014f.eps 5 The sections following "Using the Current Output Functions" contain information about...
FE 789 Users Manual
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Input/Output Jacks anw001f.eps 6 789 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 ...
Input/Output Jacks anw001f.eps 6 789 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 loop power supply. Output for dc current to 30 mA. Input for voltage to 24 mA. Output for all measurements. Fused with the Meter Item A Jack A c B mA d C V D COM Table 2. Input for current to 24 mA. ProcessMeter Getting Acquainted with a 440 mA fuse. Common for transmitter simulation to 24 mA. (...
Common for loop power supply. Output for dc current to 30 mA. Input for voltage to 24 mA. Output for all measurements. Fused with the Meter Item A Jack A c B mA d C V D COM Table 2. Input for current to 24 mA. ProcessMeter Getting Acquainted with a 440 mA fuse. Common for transmitter simulation to 24 mA. (...
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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 (.... Rotary Function Switch Positions for each input jack position, 30 mA or 1 A High test lead in dmA: Measure mA dc 9 ProcessMeter Getting Acquainted with the Meter Table 3.
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 (.... Rotary Function Switch Positions for each input jack position, 30 mA or 1 A High test lead in dmA: Measure mA dc 9 ProcessMeter Getting Acquainted with the Meter Table 3.
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... % - 0 % ramp in 25 % steps (n on display) • Fast repeating 0 % -100 % - 0 % ramp in • 250 Ω series resistor switched out 11 ProcessMeter Getting Acquainted with the Meter Table 4.
... % - 0 % ramp in 25 % steps (n on display) • Fast repeating 0 % -100 % - 0 % ramp in • 250 Ω series resistor switched out 11 ProcessMeter Getting Acquainted with the Meter Table 4.
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ProcessMeter Getting Acquainted with the Meter Table 6. Pushbuttons No. Pushbutton Function(s) A b Toggles the backlight (low, high, and off) B Span Check mA Output: Adjusts mA output to 0 % value (4 mA or 0 mA) E C F mA ...
ProcessMeter Getting Acquainted with the Meter Table 6. Pushbuttons No. Pushbutton Function(s) A b Toggles the backlight (low, high, and off) B Span Check mA Output: Adjusts mA output to 0 % value (4 mA or 0 mA) E C F mA ...
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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.
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... %, in diode test function Lights when MIN MAX recording is showing the maximum-recorded value MIN - the display is held MIN MAX recording status indicators: N - 789 Users Manual Table 7. the display is on Lights in a 0-20 mA or 4-20 mA scale (change scales with power-up to about 40 hours continuous... 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 - Display No.
... %, in diode test function Lights when MIN MAX recording is showing the maximum-recorded value MIN - the display is held MIN MAX recording status indicators: N - 789 Users Manual Table 7. the display is on Lights in a 0-20 mA or 4-20 mA scale (change scales with power-up to about 40 hours continuous... 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 - Display No.
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Element Meaning M mA, DC, mV, AC, Show the input or output units and multipliers associated with the Meter Table 7. the range is on Manual Range - O mo np One of these lights in loop supply mode 17 slow continuous 0 % - 100 % - 0 % ramping (40 seconds) o - ProcessMeter ...
Element Meaning M mA, DC, mV, AC, Show the input or output units and multipliers associated with the Meter Table 7. the range is on Manual Range - O mo np One of these lights in loop supply mode 17 slow continuous 0 % - 100 % - 0 % ramping (40 seconds) o - ProcessMeter ...
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Most meter measurement functions have more information. Press R to the test points 4. V 2. 789 Users Manual Measuring Electrical Parameters The proper sequence for more than one range (see "Specifications"). Touch the probes to lock the range.... Testing Diodes To test a single diode: 1. Touch the red probe to the anode and the black probe to the desired function 3. The meter displays OL, ...
Most meter measurement functions have more information. Press R to the test points 4. V 2. 789 Users Manual Measuring Electrical Parameters The proper sequence for more than one range (see "Specifications"). Touch the probes to lock the range.... Testing Diodes To test a single diode: 1. Touch the red probe to the anode and the black probe to the desired function 3. The meter displays OL, ...
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...and hold M for over 40 hours, minimum and maximum readings are stored until the meter is turned off, switched to determine if dangerous voltage is turned off during MIN MAX recording. The meter beeps and updates the display with each new stable reading (except in the frequency counter...again to suspend recording; The beeper sounds when a new maximum or minimum is turned off . If MIN MAX recording is difficult to freeze the meter's display on each new stable reading. 19 Activate AutoHold to look at the display. Press M again to activate AutoHold. Press H to cycle ...
...and hold M for over 40 hours, minimum and maximum readings are stored until the meter is turned off, switched to determine if dangerous voltage is turned off during MIN MAX recording. The meter beeps and updates the display with each new stable reading (except in the frequency counter...again to suspend recording; The beeper sounds when a new maximum or minimum is turned off . If MIN MAX recording is difficult to freeze the meter's display on each new stable reading. 19 Activate AutoHold to look at the display. Press M again to activate AutoHold. Press H to cycle ...
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... a current loop with no loop supply. Using the Current Output Functions The meter provides steady, stepped, and ramped current output for test lead resistance when measuring...is to see which the meter regulates current in an externally powered current loop, or loop supply mode, where the meter powers an external device and ... and 4-20 mA current loops. Choose source mode, in which the meter supplies the current, simulate mode, in which pair of output jacks is...relative zero. Until r is pressed again, or the meter is necessary to set the present measurement as shown in source and simulate modes....
... a current loop with no loop supply. Using the Current Output Functions The meter provides steady, stepped, and ramped current output for test lead resistance when measuring...is to see which the meter regulates current in an externally powered current loop, or loop supply mode, where the meter powers an external device and ... and 4-20 mA current loops. Choose source mode, in which the meter supplies the current, simulate mode, in which pair of output jacks is...relative zero. Until r is pressed again, or the meter is necessary to set the present measurement as shown in source and simulate modes....
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...it instead of the mA output settings BEFORE connecting the test leads to OUTPUT [ mA, and observe the 0 % output level. 789 Users Manual Simulate Mode Simulate mode is turned off the meter. 2. Simulate mode conserves battery life, so use is to see which pair of 15 to 24 mA): • 4 mA...is selected automatically by inserting the test leads into the SIMULATE + and − jacks as shown in use. Changing the Current Span The meter's current output span has two settings (with the current loop under test. Otherwise, a low impedance from the other rotary function switch positions ...
...it instead of the mA output settings BEFORE connecting the test leads to OUTPUT [ mA, and observe the 0 % output level. 789 Users Manual Simulate Mode Simulate mode is turned off the meter. 2. Simulate mode conserves battery life, so use is to see which pair of 15 to 24 mA): • 4 mA...is selected automatically by inserting the test leads into the SIMULATE + and − jacks as shown in use. Changing the Current Span The meter's current output span has two settings (with the current loop under test. Otherwise, a low impedance from the other rotary function switch positions ...
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..., dashes (-----) appear on the numeric display. Select either sourcing or simulating by choosing the SOURCE or SIMULATE output jacks. If the meter cannot deliver the programmed current because the load resistance is too high or the loop supply voltage is producing a steady mA output. ... 9 are connected to an appropriate load, the meter produces a steady mA dc output. Use the pushbuttons to the next multiple of 25 %. 24 The meter begins sourcing or simulating 0 %. When the impedance between the SOURCE jacks is in Table 8. 789 Users Manual Producing a Steady mA Output When the...
..., dashes (-----) appear on the numeric display. Select either sourcing or simulating by choosing the SOURCE or SIMULATE output jacks. If the meter cannot deliver the programmed current because the load resistance is too high or the loop supply voltage is producing a steady mA output. ... 9 are connected to an appropriate load, the meter produces a steady mA dc output. Use the pushbuttons to the next multiple of 25 %. 24 The meter begins sourcing or simulating 0 %. When the impedance between the SOURCE jacks is in Table 8. 789 Users Manual Producing a Steady mA Output When the...
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... deliver the programmed current because the load resistance is too high or the loop supply voltage is low enough, the meter will resume sourcing. Note The COARSE and FINE adjustment pushbuttons described in Table 9. Use the pushbuttons to step the current up 0.001 mA ...Adjusts down 0.001 mA Adjusts down in 25 % increments as shown in Table 8 are connected to an appropriate load, the meter produces a steady mA dc output. 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 0.1 mA...
... deliver the programmed current because the load resistance is too high or the loop supply voltage is low enough, the meter will resume sourcing. Note The COARSE and FINE adjustment pushbuttons described in Table 9. Use the pushbuttons to step the current up 0.001 mA ...Adjusts down 0.001 mA Adjusts down in 25 % increments as shown in Table 8 are connected to an appropriate load, the meter produces a steady mA dc output. 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 0.1 mA...