Fluke 41B, 39 user manual User Maintenance, Cleaning, Fuse Replacement, Battery Replacement

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39/41B

Users Manual

User Maintenance

Cleaning

Clean your Tester with a damp cloth and a mild detergent. Do not use abrasives, solvents, or alcohol.

Fuse Replacement

The Tester uses electronically protected inputs; no fuses are required.

Battery Replacement!

Warning !

To avoid electrical shock, disconnect the voltage test leads and the current probe before replacing the batteries.

The Tester must be disconnected from all sources before you can open it for any adjustment, battery replacement, maintenance, or repair.

The Tester uses four alkaline C cells (supplied). You can also use four rechargeable NiCad batteries, which you must supply. (The Tester does not provide for internal recharging.)

Note N T

Used Nickel-Cadmium batteries should be disposed of by a qualified recycler or hazardous materials handler. Contact your authorized Fluke Service Center for recycling information.

Referring to Figure 27, use the following procedure to replace the batteries:

1.Press Ooff.

2.Disconnect the voltage test leads and the Current Probe at the test points (first) and at the Tester (second).

3.Place the Tester face down on a nonabrasive surface. Loosen the two screws with a flat-blade screwdriver.

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Contents Fluke 39/41B Limited Warranty & Limitation of Liability Service Centers Page Table of Contents Fluke 39/41B List of Tables List of Figures Using!Your Tester Safely AC Current Probe Safety Guidelines About This Manual Uses for the TesterUnpacking Unpacking Additional Items Model 41B Terminology Used in This Manual Memory Retention Battery ConsiderationsAutomatic Power Down Gettingto Acquainted with Your Tester Getting Acquainted Using the Voltage Test Leads Input ConnectionsUsing the Current Probe Measurement Connections 1PThree-Phase Power Measurements Three-Phase Measurement Connections For Balanced CircuitsThree-Phase Measurement, Balanced or Unbalanced Wtotal = W1 + W2Wtotal = W1 + W2 + W3 Keypad KeypadNumber Key Descriptions Symbol Name & Description KeypadNumber Symbol Name & Description Key Descriptions Number Name & Description Key Descriptions Number Symbol Name & Description Print Model 41BDisplay Screen Display ScreenStatus Line Screen Abbreviations Screen Usage Name and Description DP ase Angle degrees. ±Screen Abbreviations Screen Usage Name and DescriptionVolts rms includes dc component Special Messages Waveform Screen Mode Functions and Screen ModesWaveform Screens Functions and Screen Modes Harmonics Screens Harmonics Overload Screen Harmonics Zoom Mode Harmonics Zoom ScreenText Screen Mode Text Screens VA Check Screen Typical VA Check Signatures Recording Measurements Record Screens Power-Up Configuration THD RMSConfiguration Screens Storing & Recalling Measurements Model 41B Memory Screen39/41B Store Using the Serial Cable Model 41B Serial Communications Model 41B Sending to a Printer or PC Model 41B Using PC Software with the Tester Model 41BPrinting Model 41B Applications Applications Plant Switch Gear Service Entrance Plant Switch GearDistribution Transformer Distribution Transformer 1PWatts Text ScreenElectronic Equipment Load Center Distribution Transformer 3P, 3C Watts Text ScreenReceptacle Load Center Neutral Current Measurement Generator Set Generator SetAdjustable Frequency Speed Motor Drive Adjustable Frequency Motor DriveFuse Replacement User MaintenanceCleaning Battery ReplacementUser Maintenance If Your Tester Does Not Work Accessories and Replacement Parts Accessories and Replacement PartsQty Replacement Parts DescriptionFluke PN Specifications MV/A Isolated InputHarmonic Level 5% Using Smooth ~20 Watts Measurements Volt-AmpsAccuracy Range/ResolutionMeasurement Function Watts AC VoltsAC Amps General Specifications Display Safety 39/41B