Fluke 771 Instruction Sheet
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Fluke 771 Instruction Sheet

Milliamp process clamp meter
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Milliamp Process Clamp Meter
Introduction
The Fluke 771 Milliamp Process Clamp Meter (Meter or Product)
is a hand-held battery-operated clamp meter that measures
4-20 mA dc without breaking the electrical circuit. Unlike
conventional clamp meters, the Meter features a remote jaw that
is connected to the main body via extension cable.
Features
DC mA measurement (4-20 mA) using a remotely connected
•
clamp via extension cable
Electronic zero
•
Percentage span (0 % to 100 %)
•
Hold
•
Display backlight
•
Auto power off
•
Measurement spotlight LED
•
The Meter comes with:
Two AA alkaline batteries (installed)
•
Soft case
•
Instruction sheet
•
PN 2567301
September 2006 Rev. 1, 7/19
© 2006-2019 Fluke Corporation. All rights reserved. All product names are
trademarks of their respective companies. Product specifications are subject to
change without notice.
Instruction Sheet
771

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Summary of Contents for Fluke 771

  • Page 1 Milliamp Process Clamp Meter Instruction Sheet Introduction The Fluke 771 Milliamp Process Clamp Meter (Meter or Product) is a hand-held battery-operated clamp meter that measures 4-20 mA dc without breaking the electrical circuit. Unlike conventional clamp meters, the Meter features a remote jaw that is connected to the main body via extension cable.

  • Page 2: How To Contact Fluke

    How to Contact Fluke To contact Fluke, call one of the following telephone numbers: Technical Support USA: 1-800-44-FLUKE (1-800-443-5853) • Calibration/Repair USA: 1-888-99-FLUKE (1-888-993-5853) • Canada: 1-800-36-FLUKE (1-800-363-5853) • Europe: +31 402-675-200 • Japan: +81-3-6714-3114 • Singapore: +65-6799-5566 • China: +86-400-921-0835 •...
  • Page 3 Before each use, inspect the Meter and cable • for damage. Look for cracks and missing portions of the clamp and cable. Do not use if clamp is damaged. Do not use to measure ac current. • Do not touch voltages >30 V ac rms, 42 V ac •...
  • Page 4 Table 1 explains the symbols that are used on the Meter or in this instruction sheet. Table 1. Symbols Do not apply around, or remove from HAZARDOUS LIVE conductors Consult user documentation. » WARNING. RISK OF DANGER. WARNING. HAZARDOUS VOLTAGE. Risk of electric shock. On/Off ...

  • Page 5: Getting Acquainted With The Meter

    Removes interference and zeros the display  Measurement spotlight LED button  Measurement spotlight LED  Detachable clamp  Turns the backlight off and on   Tactile Barrier docked and un-docked  Figure 1. The 771 Milliamp Process Clamp Meter...

  • Page 6: Zero Adjust

    Features The following sections give more detail about the Meter’s features. Percentage Span The Percentage Span feature displays the span for 4 to 20 mA loops. 20 mA 100 % 4 mA 16 mA 75 % 3.6 mA -2.5 % 12 mA 50 % 3.2 mA...

  • Page 7: Display Hold

    Display HOLD WX Warning To prevent electric shock, when Display HOLD is activated, the display will not change when a different current is applied. Pressing  activates Display Hold mode. The display shows  and the Meter freezes the display. To exit and return to normal operation, press ...
  • Page 8 With the clamp disconnected from any conductor, press  to turn on the Meter and press . Clamp the jaw around the conductor under test. The Meter displays the measured conductor current. See Figure 2. A positive reading indicates current flowing in the direction of the arrow on the clamp.

  • Page 9: Maintenance

    Maintenance XW Warning To prevent possible electric shock or personal injury, repairs or servicing not covered in this manual should be performed only by qualified personnel. Cleaning the Meter XW Warning To prevent electrical shock, remove any input signals before cleaning. W Caution To prevent damage to the Meter, do not use aromatic hydrocarbons or chlorinated solvents...
  • Page 10 To replace the batteries (see Figure 3): Turn off the Meter. Use a flat head screwdriver to loosen the battery compartment door screw and remove the door from the case bottom. Remove the batteries. Replace the batteries with two new AA batteries. Reattach the battery compartment door to the case bottom and tighten the screw.

  • Page 11: Specifications

    Specifications Current Ranges ±20.99 mA ±21.0 mA to ±99.9 mA Resolution 0.01 mA 0.1 mA Accuracy 20.99 mA range 0.2 % reading ±5 digits 99.9 mA range 1 % reading ±5 digits Maximum Reading ±99.9 mA Influence of Earth’s Field <0.20 mA Battery 2 AA 1.5 V Alkaline, IEC LR6...

  • Page 12: User Replaceable Parts

    Instruction Sheet LIMITED WARRANTY & LIMITATION OF LIABILITY This Fluke product will be free from defects in material and workmanship for 3 years (one year for cable and clamp) from the date of purchase. This warranty does not cover fuses, disposable batteries or damage from accident, neglect, misuse or abnormal conditions of operation or handling.

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