Fluke 789/TEC Manual
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Fluke 789/TEC Manual

Fluke 789/TEC Manual

Processmeter
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789
ProcessMeter
Product Overview
(E)
August 2002
© 2002 Fluke Corporation. All rights reserved. Printed in USA
All product names are trademarks of their respective companies.

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Summary of Contents for Fluke 789/TEC

  • Page 1 ® ProcessMeter Product Overview August 2002 © 2002 Fluke Corporation. All rights reserved. Printed in USA All product names are trademarks of their respective companies.
  • Page 2 LIMITED WARRANTY AND LIMITATION OF LIABILITY This Fluke product will be free from defects in material and workmanship for three years from the date of purchase. This war- ranty does not cover fuses, disposable batteries, or damage from accident, neglect, misuse, alteration, contamination, or abnormal conditions of operation or handling.

  • Page 3: Table Of Contents

    Title Page Quick Reference Information..................ii Introduction........................1 Accessing the Users Manual ..................1 Contacting Fluke ......................1 Safety Information ......................2 How to Get Started......................5 Getting Acquainted with the Meter ................. 6 Power-Up Options ......................18 General Maintenance ..................... 19 Replacing a Fuse.......................

  • Page 4: Quick Reference Information

    Quick Reference Information Read Safety Information in the 789 Users Manual (located on CD) Measure Buttons Output Buttons % STEP Adjusts output up or down to the next 25 % step Selects a MIN, MAX, or AVG action " COARSE Adjust output up or down 0.1 mA Selects a fixed range (hold 1 second for auto range) FINE...

  • Page 5: Introduction

    V loop power supply. It has all the features of a digital To order accessories, receive operating assistance, or multimeter, plus current output capability. get the location of the nearest Fluke distributor or Service Center, call: If the meter is damaged or something is missing, contact the place of purchase immediately.

  • Page 6: Safety Information

    Product Overview WWarning Address correspondence to: Fluke Corporation Fluke Europe B.V. To avoid possible electric shock or personal P.O. Box 9090, P.O. Box 1186, injury: Everett, WA 98206-9090 5602 BD Eindhoven • Do not use the meter if it is damaged.
  • Page 7 ProcessMeter Safety Information • WCaution When servicing the meter, use only specified replacement parts. To avoid possible damage to meter or to • equipment under test: Use caution when working above 30 V ac rms, 42 V ac pk, or 60 V dc. Such voltages •...
  • Page 8 Product Overview Table 1. International Symbols Symbol Meaning Symbol Meaning Alternating current Earth ground Direct current Fuse Alternating or direct current Conforms to European Union directives Risk of danger. Important information. Conforms to relevant Canadian See manual. Standards Association directives Battery Double insulated Meets Underwriters’...

  • Page 9: How To Get Started

    ProcessMeter How to Get Started How to Get Started Display If familiar with the Fluke 80 Series DMM, read “Using the PROCESSMETER Current Output Functions,” review the tables and figures in “Getting Acquainted with the Meter,” and begin using the meter.

  • Page 10: Getting Acquainted With The Meter

    Product Overview • Figure 4 and Tables 4 and 5 describe the output Getting Acquainted with the Meter functions of the last three rotary function switch To become familiar with the features and functions of the positions. meter, study the following figures and tables. •...
  • Page 11 ProcessMeter Getting Acquainted with the Meter Table 2. Input/Output Jacks Source Current Simulate Transmitter Item Jack Measurement Functions Function Function Input for current to 440 mA Output for dc current to 24 mA. continuous. (1 A for up to 30 Output for loop power supply.
  • Page 12 Product Overview HART LOOP POWER anw002f.eps Figure 3. Rotary Switch Positions for Measurements...
  • Page 13 ProcessMeter Getting Acquainted with the Meter Table 3. Rotary Function Switch Positions for Measurements Position Function(s) Pushbutton Actions Meter off Default: Selects a MIN, MAX, or AVG action " Measure ac V Selects a fixed range (hold 1 second for auto range) Toggles AutoHold Frequency counter Toggles relative reading (sets a relative zero point)
  • Page 14 Product Overview HART LOOP POWER anw008f.eps Figure 4. Rotary Switch Positions for mA Output...
  • Page 15 ProcessMeter Getting Acquainted with the Meter Table 4. Rotary Function Switch Positions for mA Output Position Default Function Pushbutton Actions % STEP X or W: Adjusts output up or down to the next 25 % step Test leads in OUTPUT SOURCE: COARSE X or W: Adjusts output up or down 0.1 mA Source 0 % mA...
  • Page 16 Product Overview 100% MIN MAX RANGE HOLD COARSE SpanCheck %STEP FINE anw003f.eps Figure 5. Pushbuttons...
  • Page 17 ProcessMeter Getting Acquainted with the Meter Table 6. Pushbuttons Pushbutton Function(s) Toggles the backlight (low, high, and off) mA Output: Adjusts mA output to 0 % value (4 mA or 0 mA) Span Check mA Output: Sets mA output to 100 % value (20 mA) Span Check Measuring: Selects a MIN, MAX, or AVG action mA Output: Adjusts mA output up to the next higher 25 % step...
  • Page 18 Product Overview Table 6. Pushbuttons (cont.) Pushbutton Function(s) Measuring: Toggles between frequency counter and voltage measurement functions FINE mA Output: Adjusts output down 0.001 mA Rotary function switch in position and test lead plugged into Ac jack: Toggles (BLUE) between ac and dc ampere measure (alternate &...
  • Page 19 ProcessMeter Getting Acquainted with the Meter anw004f.eps Figure 6. Elements of the Display...
  • Page 20 Product Overview Table 7. Display Element Meaning Shows the mA measured value or output level in %, in a 0-20 mA or 4-20 mA % (Percentage display) scale (change scales with power-up option) Lights when mA output (source or simulate) is active OUTPUT Lights in continuity function Lights when dangerous voltage is present...
  • Page 21 ProcessMeter Getting Acquainted with the Meter Table 7. Display (cont.) Meaning Element Show the input or output units and multipliers associated with the numerals mA, DC, mV, AC, M or kΩ, kHz Range status indicators: Auto Range Auto Range - autoranging is on Manual Range Manual Range - the range is fixed The number plus the unit and multiplier indicate the active range.

  • Page 22: Power-Up Options

    Product Overview Only the setting for current span is retained when the Power-Up Options power is turned off. The other options have to be To select a power-up option, hold down the pushbutton repeated for each operating session. shown in Table 8 while turning the rotary function switch Holding down more than one pushbutton can activate from OFF to any on position.

  • Page 23: General Maintenance

    ProcessMeter General Maintenance Replace the batteries as follows. Refer to Figure 7. Use General Maintenance four AA alkaline batteries. Periodically wipe the case with a damp cloth and Remove the test leads and turn the meter OFF. detergent; do not use abrasives or solvents. With a standard blade hand screwdriver, turn each Replacing the Batteries battery door screw counterclockwise so that the slot is...
  • Page 24 Product Overview anw037.eps Figure 7. Replacing the Batteries and Fuses...

  • Page 25: Replacing A Fuse

    OFF. meter, use only the specified replacement With a standard blade hand screwdriver, turn each fuse, 440 mA 1000 V fast-blow, Fluke PN battery door screw counterclockwise so that the slot 943121. is parallel with the screw picture molded into the Both current input jacks are fused with a separate case.

  • Page 26: Replacement Parts And Accessories

    Replacement Parts and Accessories Figure 8 and listed in Table 9. Many more DMM ! Warning accessories are available from Fluke. For a catalog, contact the nearest Fluke distributor. To avoid personal injury or damage to the meter, use only the specified replacement...
  • Page 27 ProcessMeter Replacement Parts and Accessories anw005f.eps Figure 8. Replacement Parts...
  • Page 28 Product Overview Table 9. Replacement Parts Reference Item Number Designator Description Fluke PN or Model no. Quantity MP14 Knob Assembly 658440 Top Case with Lens Protector 1622855 Decal, Top Case 1623923 Keypad 1622951 Top Shield 1622924 MP47 Top Shield Contact...
  • Page 29 ProcessMeter Replacement Parts and Accessories Table 9. Replacement Parts (continued) Reference Item Number Designator Description Fluke PN or Model no. Quantity MP50 Shock Absorber 878983 MP11 Bottom Case 659042 MP20 Battery Contact, Negative 658382 BT1-4 Battery, 1.5 V, 0-15 mA, AA Alkaline...

  • Page 30: Specifications

    Product Overview The standard specification interval is 1 year. Specifications All specifications apply from +18 °C to +28 °C unless Note stated otherwise. “Counts” refers to the number of increments or decrements of the least significant digit. All specifications assume a 5-minute warm-up period. DC Volts Measurement Accuracy, ±(% of Reading + Counts) Range (V dc)

  • Page 31: Ac Current Measurement

    ProcessMeter Specifications AC Volts Measurement Accuracy, ±(% of Reading + Counts) Range (ac) Resolution 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 7.0 % + 4 4.000 V 0.001 V...

  • Page 32: Dc Current Measurement

    Product Overview DC Current Measurement Typical Burden Accuracy, ±(% of Reading + Counts) Range Resolution Voltage 30.000 mA 0.001 mA 0.05 % + 2 14 mV/mA 1.000 A (Note) 0.001 A 0.2 % + 2 1.5 V/A Note: 440 mA continuous, 1 A 30 seconds maximum Overload protection: 440 mA, 1000 V fast-blow fuse Ohms Measurement Accuracy, ±(% of Reading + Counts)

  • Page 33: Frequency Counter Accuracy

    ProcessMeter Specifications Frequency Counter Accuracy Accuracy, ±(% of Reading + Counts) Range Resolution 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 Minimum Sensitivity (rms Sinewave) 5 Hz to 5 kHz*...
  • Page 34 Product Overview Diode Test and Continuity Test Simulate Mode: Diode test indication: Displays voltage drop across Span: 0 mA or 4 mA to 20 mA, with overrange to 24 mA device, 2.0 V full scale. Nominal test current 0.2 mA at Accuracy: 0.05 % of span 0.6 V.
  • Page 35 ProcessMeter Specifications Accuracy adders for use in RF Fields: In an RF field of Certifications: 3 V/m, change the accuracy specifications as follows: Power requirements: Four AA batteries (alkaline For AC Volts Measurement, add 0.25 % of range recommended) For DC Current Measurement, 30.000 mA range, add 0.14 % or range Size: 10.0 cm X 20.3 cm X 5.0 cm (3.94 in X 8.00 in X For DC Current Output, add 0.32 % of span...
  • Page 36 Product Overview...

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