User Manual
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...YOUR ONLY REMEDY. This warranty does not cover fuses, disposable batteries, or damage from the date of operation or handling. NO OTHER WARRANTIES, SUCH AS FITNESS FOR A PARTICULAR PURPOSE, ARE EXPRESSED OR IMPLIED. FLUKE IS NOT LIABLE FOR ANY SPECIAL, INDIRECT, ...Fluke product will be free from defects in material and workmanship for three years from accident, neglect, misuse, alteration, contamination, or abnormal conditions of purchase. P.O. To obtain service during the warranty period, contact your nearest Fluke authorized service center to obtain return authorization information...
...YOUR ONLY REMEDY. This warranty does not cover fuses, disposable batteries, or damage from the date of operation or handling. NO OTHER WARRANTIES, SUCH AS FITNESS FOR A PARTICULAR PURPOSE, ARE EXPRESSED OR IMPLIED. FLUKE IS NOT LIABLE FOR ANY SPECIAL, INDIRECT, ...Fluke product will be free from defects in material and workmanship for three years from accident, neglect, misuse, alteration, contamination, or abnormal conditions of purchase. P.O. To obtain service during the warranty period, contact your nearest Fluke authorized service center to obtain return authorization information...
User Manual
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789/787B Users Manual Power-Up Options ...26 Loop Power Supply Mode (789 only 28 Battery Life...30 Maintenance ...30 Calibration ...31 Replacing the Batteries 31 Replacing a Fuse ...33 If the Meter does not Work 34 Replacement Parts and Accessories 34 Specifications...38 ii
789/787B Users Manual Power-Up Options ...26 Loop Power Supply Mode (789 only 28 Battery Life...30 Maintenance ...30 Calibration ...31 Replacing the Batteries 31 Replacing a Fuse ...33 If the Meter does not Work 34 Replacement Parts and Accessories 34 Specifications...38 ii
User Manual
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... V loop power supply. If the meter is damaged or something is a handheld, battery-operated tool for information about DMM (digital multimeter) accessories. To order replacement parts or spares, see Table 13 near the end of this manual show the 789 model. All illustrations in this manual. 1 The Fluke 789/787B ProcessMeter (the Meter or Product) is missing, contact the place of a digital multimeter, plus current output capability.
... V loop power supply. If the meter is damaged or something is a handheld, battery-operated tool for information about DMM (digital multimeter) accessories. To order replacement parts or spares, see Table 13 near the end of this manual show the 789 model. All illustrations in this manual. 1 The Fluke 789/787B ProcessMeter (the Meter or Product) is missing, contact the place of a digital multimeter, plus current output capability.
User Manual
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... download the latest manual supplement, visit http://us.fluke.com/usen/support/manuals. Safety Information A Warning identifies conditions and procedures that can cause damage to the Product or the equipment under test. 789/787B Users Manual How to the user. International symbols used for an extended period of the following telephone numbers: • Technical Support USA: 1-800-44-FLUKE (1-800-443-5853) • Calibration/Repair USA...
... download the latest manual supplement, visit http://us.fluke.com/usen/support/manuals. Safety Information A Warning identifies conditions and procedures that can cause damage to the Product or the equipment under test. 789/787B Users Manual How to the user. International symbols used for an extended period of the following telephone numbers: • Technical Support USA: 1-800-44-FLUKE (1-800-443-5853) • Calibration/Repair USA...
User Manual
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...continuity. 3 • The battery door must be closed and locked before you operate the Product. • Replace the batteries when the low battery indicator shows to prevent incorrect measurements. • Comply with local and national safety codes. Carefully look at the ...not work alone. • Limit operation to the specified measurement category, voltage, or amperage ratings. • Use Product-approved measurement category (CAT), voltage, and amperage rated accessories (probes, test leads, and adapters) for cracks or missing plastic. ProcessMeter™ Safety Information &#...
...continuity. 3 • The battery door must be closed and locked before you operate the Product. • Replace the batteries when the low battery indicator shows to prevent incorrect measurements. • Comply with local and national safety codes. Carefully look at the ...not work alone. • Limit operation to the specified measurement category, voltage, or amperage ratings. • Use Product-approved measurement category (CAT), voltage, and amperage rated accessories (probes, test leads, and adapters) for cracks or missing plastic. ProcessMeter™ Safety Information &#...
User Manual
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... in the WEEE Directive Annex I, this electrical/electronic product in domestic household waste. Earth Fuse Double Insulated Measurement Category II is classed as unsorted municipal waste. 5 ProcessMeter™ Safety Information Table 1. Consult user documentation. Do not dispose of the low-voltage MAINS installation. HAZARDOUS VOLTAGE. Measurement Category III is applicable to the distribution part of the...
... in the WEEE Directive Annex I, this electrical/electronic product in domestic household waste. Earth Fuse Double Insulated Measurement Category II is classed as unsorted municipal waste. 5 ProcessMeter™ Safety Information Table 1. Consult user documentation. Do not dispose of the low-voltage MAINS installation. HAZARDOUS VOLTAGE. Measurement Category III is applicable to the distribution part of the...
User Manual
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... is turned on, the display does not change when a different potential is measured. See Table 2 for an overview of the meter. 6 If familiar with the Meter," and begin using the meter. 789/787B Users Manual How to the sections referenced in the circuit when you measure current. The sections following "Using the Current Output Functions" contain information about the power-up options, and battery and fuse replacement instructions.
... is turned on, the display does not change when a different potential is measured. See Table 2 for an overview of the meter. 6 If familiar with the Meter," and begin using the meter. 789/787B Users Manual How to the sections referenced in the circuit when you measure current. The sections following "Using the Current Output Functions" contain information about the power-up options, and battery and fuse replacement instructions.
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... mA. 789/787B Users Manual Table 3. Input for voltage to 30 mA. Input for current to 1000 V, Ω, continuity, and diode test. Common for transmitter simulation to to 24 mA. Common for dc current output Output for loop 24 mA. (Use in series with a 440 mA fuse. external loop supply.) Common for up to 24 mA. (Use in series with a 440 mA fuse. Input/Output Jacks 1 A mA...
... mA. 789/787B Users Manual Table 3. Input for voltage to 30 mA. Input for current to 1000 V, Ω, continuity, and diode test. Common for transmitter simulation to to 24 mA. Common for dc current output Output for loop 24 mA. (Use in series with a 440 mA fuse. external loop supply.) Common for up to 24 mA. (Use in series with a 440 mA fuse. Input/Output Jacks 1 A mA...
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... in 25 % steps (pon display) Rotary function switch in loop supply position (789 only) • Switch in/out 250 Ω series resistor Measuring: Toggles relative reading (sets a relative zero point) mA Output: Adjusts output down 0.1 mA Measuring: Toggles between Ω measure and continuity functions mA Output: Adjusts mA output down to the next lower 25 % step 789/787B Users Manual No. ...
... in 25 % steps (pon display) Rotary function switch in loop supply position (789 only) • Switch in/out 250 Ω series resistor Measuring: Toggles relative reading (sets a relative zero point) mA Output: Adjusts output down 0.1 mA Measuring: Toggles between Ω measure and continuity functions mA Output: Adjusts mA output down to the next lower 25 % step 789/787B Users Manual No. ...
User Manual
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... - Display (cont.) Meaning Lights when dangerous voltage is detected 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 showing the average value Show the input or output units and multipliers associated with the numerals 16 the display is on MAX - 789/787B Users Manual...
... - Display (cont.) Meaning Lights when dangerous voltage is detected 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 showing the average value Show the input or output units and multipliers associated with the numerals 16 the display is on MAX - 789/787B Users Manual...
User Manual
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...; 250 Ω HART Lights when 250 Ω series resistance is fixed 400100030 The number plus the unit and multiplier indicate the active range. fast ramp in loop supply mode (789 only) 17 autoranging is on Manual Range - slow continuous 0 % - 100 % - 0 % ramping (40 seconds) o - Element Meaning Auto Range Range status indicators: Manual Range Auto Range - ProcessMeter™ Getting Acquainted with the Meter Table 7. fast continuous...
...; 250 Ω HART Lights when 250 Ω series resistance is fixed 400100030 The number plus the unit and multiplier indicate the active range. fast ramp in loop supply mode (789 only) 17 autoranging is on Manual Range - slow continuous 0 % - 100 % - 0 % ramping (40 seconds) o - Element Meaning Auto Range Range status indicators: Manual Range Auto Range - ProcessMeter™ Getting Acquainted with the Meter Table 7. fast continuous...
User Manual
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... measurements is changed to lock the range. Testing Diodes To test a single diode: 1. Reverse the probes. Input Impedance For the voltage measurement functions, input impedance is pressed, the meter selects the next higher range. If the range is locked, the meter resumes auto ranging when it is : 1. Press J (Blue) so that will measure the applied input signal (Auto Range showing on the display). Set the rotary function switch to the...
... measurements is changed to lock the range. Testing Diodes To test a single diode: 1. Reverse the probes. Input Impedance For the voltage measurement functions, input impedance is pressed, the meter selects the next higher range. If the range is locked, the meter resumes auto ranging when it is : 1. Press J (Blue) so that will measure the applied input signal (Auto Range showing on the display). Set the rotary function switch to the...
User Manual
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..., simulate mode, in which pair of output jacks is switched to set the present measurement as shown in an externally powered current loop, or loop supply mode, where the meter powers an external device and measures the loop current. The arrows show the conventional current flow. Until r is pressed again, or the meter is in source and simulate modes. The display looks the same in use for...
..., simulate mode, in which pair of output jacks is switched to set the present measurement as shown in an externally powered current loop, or loop supply mode, where the meter powers an external device and measures the loop current. The arrows show the conventional current flow. Until r is pressed again, or the meter is in source and simulate modes. The display looks the same in use for...
User Manual
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... the meter simulates a current loop transmitter. Use simulate mode when an external dc voltage of 15 to 48 V is selected, turn the rotary function switch to one of source mode whenever possible. The arrows show the conventional current flow. Changing the Current Span The meter's current output span has two settings (with overrange to 24 mA): • 4 mA = 0 %, 20 mA = 100 % (factory default) •...
... the meter simulates a current loop transmitter. Use simulate mode when an external dc voltage of 15 to 48 V is selected, turn the rotary function switch to one of source mode whenever possible. The arrows show the conventional current flow. Changing the Current Span The meter's current output span has two settings (with overrange to 24 mA): • 4 mA = 0 %, 20 mA = 100 % (factory default) •...
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...™ Using the Current Output Functions Table 9. The meter begins sourcing or simulating 0 %. If the meter cannot deliver the programmed current because the load resistance is too high or the loop supply voltage is low enough, the meter will resume sourcing. When the impedance between the SOURCE jacks is too low, dashes (-----) appear on the numeric display. mA Stepping...
...™ Using the Current Output Functions Table 9. The meter begins sourcing or simulating 0 %. If the meter cannot deliver the programmed current because the load resistance is too high or the loop supply voltage is low enough, the meter will resume sourcing. When the impedance between the SOURCE jacks is too low, dashes (-----) appear on the numeric display. mA Stepping...
User Manual
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...-second smooth ramp (default) o 0 % - 100 % - 0 % 15-second smooth ramp n 0 % - 100 % - 0 % Stair-step ramp in Table 10. The setting for each step. Turn the rotary function switch from the meter to a transmitter, while hands remain free to an appropriate load, the meter produces a continuously repeating 0 % - 100 % - 0 % ramp in a choice of the transmitter. 789/787B Users Manual Auto Ramping the mA Output Auto ramping gives the ability...
...-second smooth ramp (default) o 0 % - 100 % - 0 % 15-second smooth ramp n 0 % - 100 % - 0 % Stair-step ramp in Table 10. The setting for each step. Turn the rotary function switch from the meter to a transmitter, while hands remain free to an appropriate load, the meter produces a continuously repeating 0 % - 100 % - 0 % ramp in a choice of the transmitter. 789/787B Users Manual Auto Ramping the mA Output Auto ramping gives the ability...
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LCD segments G J (Blue) H All All VAC, mA, Source, Ramp, Loop Firmware version H VDC Model number H Go to Calibration mode H mVDC Ω Default Display Action Taken Retains setting Retains setting Retains setting or Toggles between 0-20 mA and 4-20 mA range Enables/Disables the auto-off on . Power-Up Options Option Current Span Button Switch Position R All Backlight Timeout K All Beeper Auto Power-Off Note: Auto power-off the power after 30 minutes...
LCD segments G J (Blue) H All All VAC, mA, Source, Ramp, Loop Firmware version H VDC Model number H Go to Calibration mode H mVDC Ω Default Display Action Taken Retains setting Retains setting Retains setting or Toggles between 0-20 mA and 4-20 mA range Enables/Disables the auto-off on . Power-Up Options Option Current Span Button Switch Position R All Backlight Timeout K All Beeper Auto Power-Off Note: Auto power-off the power after 30 minutes...
User Manual
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... not described in this manual must be performed by qualified personnel. Hazardous voltage exposure is possible. • Use only specified replacement parts. • Use only specified replacement fuses. • Have an approved technician repair the Product. Repair, calibration, and servicing not covered in sunlight. • Replace a blown fuse with exact replacement only for continued protection against arc flash. • Do not operate the Product with a damp...
... not described in this manual must be performed by qualified personnel. Hazardous voltage exposure is possible. • Use only specified replacement parts. • Use only specified replacement fuses. • Have an approved technician repair the Product. Repair, calibration, and servicing not covered in sunlight. • Replace a blown fuse with exact replacement only for continued protection against arc flash. • Do not operate the Product with a damp...
User Manual
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... slot is parallel with four new AA alkaline batteries. 6. Lift off the battery door. 4. Replace with the screw picture molded into the case. Reinstall the battery door and tighten screws. 31 Replacing the Batteries Warning For safe operation and maintenance, repair the Product before use if the battery leaks. With a standard blade hand screwdriver, turn the Meter OFF. Calibration Calibrate the meter once a year to its specifications.
... slot is parallel with four new AA alkaline batteries. 6. Lift off the battery door. 4. Replace with the screw picture molded into the case. Reinstall the battery door and tighten screws. 31 Replacing the Batteries Warning For safe operation and maintenance, repair the Product before use if the battery leaks. With a standard blade hand screwdriver, turn the Meter OFF. Calibration Calibrate the meter once a year to its specifications.
User Manual
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... sure you are using the correct jacks and rotary function switch position. Note When servicing the meter, use the meter, and contact a Fluke Service Center. • Check the battery, fuses, and test leads. • Review this manual to Contact Fluke. 34 789/787B Users Manual If the Meter does not Work • Examine the case for information and price. Replacement Parts and Accessories ! If there is under warranty, it will be repaired and returned...
... sure you are using the correct jacks and rotary function switch position. Note When servicing the meter, use the meter, and contact a Fluke Service Center. • Check the battery, fuses, and test leads. • Review this manual to Contact Fluke. 34 789/787B Users Manual If the Meter does not Work • Examine the case for information and price. Replacement Parts and Accessories ! If there is under warranty, it will be repaired and returned...
