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 ("the Meter") 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 (0-100 %)
•
Hold
•
Display backlight
•
Auto power off
•
Measurement spotlight LED
The Meter comes with:
•
Two AA alkaline batteries (installed)
•
Soft case
•
Instruction sheet
2567301
PN
September 2006
© 2006 Fluke Corporation. All rights reserved. Printed in China.
All product names are trademarks of their respective companies
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 (“the Meter”) 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: Contacting Fluke

    Contacting Fluke To contact Fluke, use one of the following telephone numbers: USA: 1-888-99-FLUKE (1-888-993-5853) Canada: 1-800-36-FLUKE (1-800-363-5853) Europe: +31 402-675-200 Japan: +81-3-3434-0181 Singapore: +65-738-5655 Anywhere in the world: +1-425-446-5500 Or visit Fluke’s Web site at: www.fluke.com. Register the Meter at: http://register.fluke.com...
  • Page 3 Conforms to relevant European Union directives DC (Direct Current) Do not dispose of this product as unsorted municipal waste. Contact Fluke or a qualified recycler for disposal. Conforms to relevant Australian standards N10140 Conforms to relevant Canadian and US standards...

  • Page 4: Getting Acquainted With The Meter

    Captures and holds the current reading 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 5: 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 6: Display Hold

    Display HOLD XWWarning To avoid electric shock, when Display HOLD is activated, the display will not change when a different current is applied. Pressing H activates Display Hold mode. His displayed and the Meter freezes the display. To exit and return to normal operation, press H a second time.
  • Page 7 With the clamp disconnected from any conductor, press O to turn the Meter on and press A. 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 8: Maintenance

    Maintenance XWWarning To avoid possible electric shock or personal injury, repairs or servicing not covered in this manual should be performed only by qualified personnel. Cleaning the Meter XWWarning To avoid electrical shock, remove any input signals before cleaning. W Caution To avoid damaging the Meter, do not use aromatic hydrocarbons or chlorinated solvents for cleaning.

  • Page 9: Battery Replacement

    Battery Replacement XWWarning To avoid false readings, that could lead to possible electric shock or personal injury, replace the battery as soon as the low battery indicator (B) appears. To replace the battery (see Figure 3): Turn the Meter off. Use a flat head screwdriver to loosen the battery compartment door screw, and remove the door from the case bottom.

  • Page 10: Specifications

    Specifications Current Ranges ±20.99 mA ±21.0 mA -±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 Working hours...

  • Page 11: User Replaceable Parts

    2687457 Absorber 2720304 Battery door 948609 Fastener 2726174 Soft Carrying Case 2567301 Instruction Sheet 2742724 Service Information Sheet Replacement clamp and cable assembly are available but require re- calibration. See the 771 Service Information Sheet for part numbers and procedures.
  • Page 12 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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