Fluke 80 Series V manual Reassembling the Meter Case, Removing LCD Mask to Access LCD

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Digital Multimeter

Basic Maintenance

5.Place the PCA onto the top shield so that the screw holes align.

6.Place the bottom shield onto the PCA and secure the assembly with five Phillips-head screws. Ensure that the shields are tightly attached. Properly fitted shields are required for the Meter to perform to specifications.

LCD Mask

LCD

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Figure 2. Removing LCD Mask to Access LCD

Reassembling the Meter Case

To reassemble the Meter case:

1.Verify that the rotary knob and circuit board switch are in the OFF position, and that the gasket remains secured to the bottom case.

2.Place the PCA into the bottom case.

3.Place the case top on the case bottom.

4.To avoid damaging the battery wire, ensure the wire exits the middle of the battery compartment.

5.Properly seat the case gasket and snap the case halves together above the LCD end. See Figure 1.

6.Reinstall the three case screws and the battery door.

7.Secure the battery door by turning the screw 1/4-turn clockwise.

8.Go to “Performance Tests” later in this document, and perform the procedures described.

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Contents Series Lifetime Limited Warranty Table of Contents Series List of Tables Series List of Figures Series Contacting Fluke IntroductionXWWarning Precautions and Safety InformationDigital Multimeter Electrical Symbols Electrical SymbolsSpecifications General SpecificationsModel 87 AC Voltage Function Specifications Detailed SpecificationsModels 83 and 88 AC Voltage Function Specifications Function Range Resolution Accuracy Model Current Function SpecificationsFrequency Counter Sensitivity and Trigger Levels Capacitance and Diode Function SpecificationsFrequency Counter Specifications Models 87 Frequency Counter Specifications ModelMIN MAX Recording Specifications Electrical Characteristics of the TerminalsCleaning the Meter Basic MaintenanceOpening the Meter Case Opening the Meter, Battery and Fuse Replacement Accessing the PCA and Replacing the LCDReassembling the Meter Case Removing LCD Mask to Access LCDTesting Fuses and Current Circuitry Replacing the BatteryReplacing the Fuses Required EquipmentPerformance Tests Trig Y Testing the FusesTesting the Display Basic Operability TestsCAL Testing Meter Accuracy Testing the PushbuttonsAccuracy Tests 600 Ω 330 Ω Use 2 wire Comp 328.5 to 329.1 to Ohms Press backlight button Backlight off Testing the Inductive Pickup 88 OnlyDegrees Setup for Inductive Pickup Test Waveform for Inductive Pickup Test Calibration Adjustment Counter Calibration AdjustmentCalibration Adjustment Password Restoring the Default Password Meter Buttons Used in the Calibration Steps Calibration Adjustment ProcedureMA / UA Series V Final Assembly Ref Des Description Part Qty Number Service and PartsSeries V Final Assembly