Page 2 - LIMITED WARRANTY & LIMITATION OF LIABILITY; Fluke Corporation
LIMITED WARRANTY & LIMITATION OF LIABILITY This Fluke product will be free from defects in material and workmanship for three years from the date of purchase. Thiswarranty does not cover disposable batteries or damage from accident, neglect, misuse or abnormal conditions of operationor handling....
Page 3 - Table of Contents; Title
i Table of Contents Title Page Introduction.................................................................................................................... 1 Contacting Fluke ........................................................................................................... 1 Safety Info...
Page 4 - Users Manual; ii
787 Users Manual ii Simulate Mode .......................................................................................................... 22Changing the Current Span ...................................................................................... 22Producing a Steady mA Output.................
Page 5 - ProcessMeter; Introduction; Warning; Your Fluke 787 ProcessMeter; Contacting Fluke
1 ProcessMeter Introduction W Warning Read “Safety Information” before you use themeter. Your Fluke 787 ProcessMeter (referred to as “the meter”) is a handheld, battery-operated tool for measuringelectrical parameters and supplying steady or rampingcurrent to test process instruments. It has all t...
Page 6 - Safety Information; III
787Users Manual 2 Address correspondence to: Fluke Corporation Fluke Europe B.V. P.O. Box 9090, P.O. Box 1186, Everett, WA 98206-9090 5602 BD Eindhoven USA The Netherlands Or visit us on the World Wide Web: www.fluke.com Safety Information The meter complies with IEC1010-1, ANSI/ISA S82.01-1994 and ...
Page 7 - Caution; To protect yourself, adhere to the following guidelines:
ProcessMeter Safety Information 3 • Make sure the battery door is closed andlatched before you operate the meter. • Remove test leads from the meter beforeyou open the battery door. • Inspect the test leads for damagedinsulation or exposed metal. Check testleads continuity. Replace damaged testleads...
Page 8 - CAT III
787Users Manual 4 Table 1. International Symbols Symbol Meaning Symbol Meaning Alternating current Earth ground Direct current Fuse c Alternating or direct current Conforms to European Union directives Refer to the manual for information aboutthis feature. Conforms to relevant CanadianStandards Asso...
Page 9 - How to Get Started; Figure 1. Fluke 787 ProcessMeter
ProcessMeter How to Get Started 5 How to Get Started If you are familiar with the Fluke 80 Series DMM, read“Using the Current Output Functions,” review the tablesand figures in “Getting Acquainted with the Meter,” andbegin using your meter. If you are unfamiliar with Fluke 80 Series DMMs, or DMMsin ...
Page 10 - Getting Acquainted with the Meter; Figure and Table 2 describe the input/output jacks.
787Users Manual 6 Getting Acquainted with the Meter To become familiar with the features and functions of themeter, study the following figures and tables. • Figure and Table 2 describe the input/output jacks. • Figure and Table 3 describe the input functions youget with the first five rotary switch...
Page 12 - Figure 3. Rotary Switch Positions for Measurements
787Users Manual 8 4 3 5 1 2 6 OFF mA mA A mA mV V V OUTPUT ee002f.eps Figure 3. Rotary Switch Positions for Measurements
Page 14 - Figure 4. Rotary Switch Positions for mA Output
787Users Manual 10 OFF mA mA A mA mV V V OUTPUT 2 1 ee008.eps Figure 4. Rotary Switch Positions for mA Output
Page 16 - Figure 5. Pushbuttons
787Users Manual 12 2 3 1 5 4 6 7 8 MIN MAX RANGE HOLD H REL Hz % STEP COARSE FINE ee003f.eps Figure 5. Pushbuttons Table 5. Pushbuttons No. Pushbutton Function(s) A b Toggles the backlight B U (BLUE) Rotary switch in mA A L position and test lead plugged into c A jack: Toggles between ac and dc ampe...
Page 18 - Figure 6. Elements of the Display
787Users Manual 14 1 5 3 2 4 8 6 7 9 10 12 11 ee004f.eps Figure 6. Elements of the Display
Page 20 - Range status indicators:; Auto means autoranging is on.; The number plus the unit and multiplier indicate the active range.
787Users Manual 16 Table 6. Display (cont.) No. Element Meaning J mA, DC, mV, AC, M or k Ω , kHz Show the input or output units and multipliers associated with the numerals K Auto 400100030 Range status indicators: Auto means autoranging is on. The number plus the unit and multiplier indicate the ac...
Page 21 - Measuring Electrical Parameters; Input Impedance; Table 7. Range Requirements for Measuring a
ProcessMeter Measuring Electrical Parameters 17 Measuring Electrical Parameters The proper sequence for taking measurements is asfollows: 1. Plug the test leads into the appropriate jacks. 2. Set the rotary knob. 3. Touch the probes to the test points. Input Impedance For the voltage measurement fun...
Page 22 - Testing Diodes
787Users Manual 18 Testing Diodes To test a single diode: 1. Insert the red test lead into the V jack and black test lead into the COM jack. 2. Set the rotary switch to O . 3. Press the BLUE pushbutton so that the D symbol is on the display. 4. Touch the red probe to the anode and the black probe to...
Page 23 - Using TouchHold; Compensating for Test Lead Resistance
ProcessMeter Measuring Electrical Parameters 19 Using TouchHold Note You must have MIN MAX recording off to useTouchHold. ! Warning To avoid possible electric shock, do not useTouchHold to determine if dangerous voltageis present. TouchHold will not captureunstable or noisy readings. Activate TouchH...
Page 24 - Using the Current Output Functions; Source Mode; and
787Users Manual 20 Using the Current Output Functions The meter provides steady, stepped, and ramped currentoutput for testing 0-20 mA and 4-20 mA current loops.You can choose source mode, in which the metersupplies the current, or simulate mode, in which themeter regulates current in an externally-...
Page 25 - Figure 7. Sourcing Current
ProcessMeter Using the Current Output Functions 21 OFF A mA COM V 1000V 30mA FUSED 0.44A (1A / 30 sec) FUSED mA mA A mA OUTPUT 0-24mA SOURCE SIMULATE + + % STEP COARSE FINE mV V V OUTPUT CAT 7 8 7 PROCESSMETER MIN MAX RANGE HOLD H REL Hz 40 20 0 100 80 60 ee010f.eps Figure 7. Sourcing Current
Page 26 - Simulate Mode; Changing the Current Span
787Users Manual 22 Simulate Mode Simulate mode is so named because the meter simulatesa current loop transmitter. Use simulate mode when anexternal dc voltage of 24 to 30V is in series with thecurrent loop under test. Caution Set the rotary switch to one of the mA outputsettings BEFORE you connect t...
Page 27 - dc V; Figure 8. Simulating a Transmitter
ProcessMeter Using the Current Output Functions 23 OFF A mA COM V 1000V 30mA FUSED 0.44A (1A / 30 sec) FUSED mA mA A mA OUTPUT 0-24mA SOURCE SIMULATE + + % STEP COARSE FINE mV V V OUTPUT CAT 7 8 7 PROCESSMETER MIN MAX RANGE HOLD H REL Hz dc V Power Supply 40 20 0 100 80 60 COM +24V ee011f.eps Figure...
Page 28 - Producing a Steady mA Output; Table 8. mA Output Adjust Pushbuttons
787Users Manual 24 Producing a Steady mA Output When the rotary switch is in the OUTPUT [ mA position, and the OUTPUT jacks are connected to an appropriateload, the meter produces a steady mA dc output. Themeter begins sourcing or simulating 0%. Use thepushbuttons to adjust the current as shown in T...
Page 29 - Manually Stepping the mA Output; When the rotary switch is in the OUTPUT; Table 9. mA Stepping Pushbuttons
ProcessMeter Using the Current Output Functions 25 Manually Stepping the mA Output When the rotary switch is in the OUTPUT [ mA position, and the OUTPUT jacks are connected to an appropriateload, the meter produces a steady mA dc output. Themeter begins sourcing or simulating 0%. Use thepushbuttons ...
Page 30 - Auto Ramping the mA Output
787Users Manual 26 Table 10. mA Step Values Step Value (for each span setting) 4 to 20 mA 0 to 20 mA 0% 4.000 mA 0.000 mA 25% 8.000 mA 5.000 mA 50% 12.000 mA 10.000 mA 75% 16.000 mA 15.000 mA 100% 20.000 mA 20.000 mA 125% 24.000 mA 120% 24.000 mA Auto Ramping the mA Output Auto ramping gives you the...
Page 32 - Battery Life; Avoid using the backlight.; Table 12. Typical Alkaline Battery Life; Using the Holster and Flex-Stand; General Maintenance
787Users Manual 28 Battery Life W Warning To avoid false readings, which could lead topossible electric shock or personal injury,replace the battery as soon as the batteryindicator ( B ) appears. Table 12 shows typical alkaline battery life. To preservebattery life: • Use current simulation instead ...
Page 33 - Maintenance; Figure 9. Using the Holster and Flex-Stand
ProcessMeter Maintenance 29 Holster with Flex-Stand bent Holster with Flex-Stand extended Holster with probe in clip Holster with Flex-Stand looped over wall Meter in holster face down for protection (Store Quick Reference Card under meter) Holster with Flex-Stand looped over belt ee009f.eps Figure ...
Page 34 - Replacing the Battery; Remove the test leads and set the rotary switch to; Figure 10. Replacing the Battery
787Users Manual 30 Replacing the Battery ! Warning To avoid electrical shock, remove test leadsfrom the meter before you open the batterydoor. Close and latch the battery door before youuse the meter. Remove test leads from the meter before you open thebattery door. Replace the battery as follows. R...
Page 35 - Replacing a Fuse
ProcessMeter Maintenance 31 Replacing a Fuse ! Warning To avoid personal injury or damage to themeter, use only the specified replacementfuse, 440 mA 1000V fast-blow, Fluke PN943121. Both current input jacks are fused with a separate 440 mAfuse. To determine if a fuse is blown: 1. Turn the rotary sw...
Page 36 - If the Meter does not Work; Figure 11. Replacing a Fuse
787Users Manual 32 If the Meter does not Work • Examine the case for physical damage. If there isdamage, make no further attempt to use the meter,and contact a Fluke Service Center. • Check the battery, fuses, and test leads. • Review this manual to make sure you are using thecorrect jacks and rotar...
Page 37 - Replacement Parts and Accessories; Note
ProcessMeter Replacement Parts and Accessories 33 Replacement Parts and Accessories ! Warning To avoid personal injury or damage to themeter, use only the specified replacementfuse, 440 mA 1000V fast-blow, Fluke PN943121. Note When servicing the meter, use only thereplacement parts specified here. R...
Page 39 - Figure 12. Replacement Parts
ProcessMeter Replacement Parts and Accessories 35 F2 F1 MP8 H2, 3, 4 BT1 H5, 6 MP85 MP86 Holster CG81Y AC70A Alligator Clips TL20 (Option) Industrial Test Lead Set S1 MP92 Product OverviewManual CD-ROM(Users Manual) TL75 Test Lead Set MP89, 90 ee015c.eps Figure 12. Replacement Parts
Page 40 - Specifications; DC Volts Measurement; Resolution
787Users Manual 36 Specifications All specifications apply from +18 ° C to +28 ° C unless stated otherwise. All specifications assume a 5 minute warmup period. The standard specification interval is 1 year. Note “Counts” means number of increments ordecrements of the least significant digit. DC Volt...
Page 41 - DC Millivolts Measurement; AC Volts Measurement; Input impedance: 10 M
ProcessMeter Specifications 37 DC Millivolts Measurement Range (mV dc) Resolution Accuracy (% of Reading + Counts) 400.0 0. 1 mV 0.1% + 1 AC Volts Measurement Range (ac) Resolution Accuracy, ± (% of Reading + Counts) 50 Hz to 60 Hz 45 Hz to 200 Hz 200 Hz to 500 Hz 400.0 mV 0.1 mV 0.7% + 4 1.2% + 4 7...
Page 42 - AC Current Measurement; DC Current Measurement; Note: 440 mA continuous, 1A 30 seconds maximum
787Users Manual 38 AC Current Measurement Range 45 Hz to 2 kHz Resolution Accuracy, ± (% of Reading + Counts) Typical Burden Voltage 1.000A (Note) 0.001A 1% + 2 1.5V/A Note: 440 mA continuous, 1A 30 seconds maximum Specifications are valid from 5% to 100% of amplitude range. AC conversion: true rmsM...
Page 43 - Ohms Measurement; Range
ProcessMeter Specifications 39 Ohms Measurement Range Resolution Measurement Current Accuracy, ± (% of Reading + Counts) 400.0 Ω 0. 1 Ω 220 µ A 0.2% + 2 4.000 k Ω 0.001 k Ω 59 µ A 0.2% + 1 40.00 k Ω 0.01 k Ω 5.9 µ A 0.2% + 1 400.0 k Ω 0.1 k Ω 590 nA 0.2% + 1 4.000 M Ω 0.001 M Ω 220 nA 0.35% + 3 40.0...
Page 44 - Frequency Counter Accuracy; Frequency Counter Sensitivity; Input Range
787Users Manual 40 Frequency Counter Accuracy Range Resolution Accuracy, ± (% of Reading + Counts) 199.99 Hz 0.01 Hz 0.005% + 1 1999.9 Hz 0.1 Hz 0.005% + 1 19.999 kHz 0.001 kHz 0.005% + 1 Display updates 3 times/second at >10 Hz Frequency Counter Sensitivity Input Range Minimum Sensitivity (rms S...
Page 45 - Diode Test and Continuity Test; Overload protection: 1000V rms; DC Current Output; Operating altitude: 2000 meters maximum
ProcessMeter Specifications 41 Diode Test and Continuity Test Diode test indication: display voltage drop: 0.2 mAnominal test current at 0.6V: 2.4V full scale, accuracy ± (2% + 1 count) Continuity test indication: continuous audible tone fortest resistance <100 Ω Open circuit voltage: <3.9V Sh...
Page 46 - Shock: 1 meter drop test
787Users Manual 42 Vibration: Random 2g, 5 to 500 Hz Shock: 1 meter drop test Water and dust protection: Complies with IEC529 IP52(normal operating vacuum used for dust test) Safety: Complies with IEC1010-1, ANSI/ISA S82.01-1994 and CAN/CSA C22.2 No. 1010.1-92 OvervoltageCategory III . Certification...
Page 47 - Index; Auto
43 Index —A— Auto Ramping, 17, 26Ranging, 17Stepping, 17 —B— Battery Replacement, 30 Buttons, 12 —C— Calibrating the meter, 28Compensating for test lead resistance, 19Composite Signals, 17 Current output Compliance, 24Load impedance, 24Ramping, auto, 26Simulating a transmitter, 22Sourcing, 20Span (4...
