Fluke 787 user manual Frequency Counter Accuracy, Frequency Counter Sensitivity

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787

Users Manual

Frequency Counter Accuracy

Range	Resolution

199.99 Hz	0.01 Hz

1999.9 Hz	0.1 Hz

19.999 kHz	0.001 kHz

Display updates 3 times/second at >10 Hz

Accuracy, ±(% of Reading + Counts)

0.005% + 1

0.005% + 1

0.005% + 1

Frequency Counter Sensitivity

Input Range

Minimum Sensitivity (rms Sinewave) 5 Hz to 5 kHz*

1 V	0.1 V

4 V	1 V

40 V	3 V

400 V	30 V

1000 V	300 V

* Usable 0.5 Hz to 20 kHz with reduced sensitivity.

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Contents 787 Limited Warranty & Limitation of Liability Table of Contents 787 IndexContacting Fluke Read Safety Information before you use the meterIntroduction Safety Information 787ProcessMeter International Symbols Meaning Symbol MeaningHow to Get Started Fluke 787 ProcessMeterGetting Acquainted with the Meter Input/Output JacksSimulate Transmitter Function Input/Output Jacks Measurement FunctionsSource Current Function Rotary Switch Positions for Measurements Functions Pushbutton ActionsRotary Switch Positions for mA Output Default Function Pushbuttons Pushbuttons FunctionsPushbutton CoarseElements of the Display Element Display MeaningDisplay Element MA, DC, mV, AC Or kΩ, kHz Auto 400100030 Measuring a Composite Signal Measuring Electrical ParametersInput Impedance RangesTesting Diodes Displaying Minimum, Maximum, and AverageUsing TouchHold Compensating for Test Lead ResistanceUsing the Current Output Functions Source ModeSourcing Current Simulate Mode Changing the Current SpanSimulating a Transmitter Producing a Steady mA Output MA Output Adjust PushbuttonsAdjustment Manually Stepping the mA Output MA Stepping PushbuttonsMA Step Values Value for each span setting To 20 mA Auto Ramping the mA OutputPower-Up Options Power-Up OptionsPushbutton Default Action TakenBattery Life Using the Holster and Flex-StandMaintenance General MaintenanceUsing the Holster and Flex-Stand Replacing the Battery Replacing the BatteryReplacing a Fuse If the Meter does not Work Replacing a FuseReplacement Parts and Accessories Replacement Parts DescriptionFluke PN or Model no QuantityMP8 Specifications ResolutionDC Volts Measurement Range V dcAC Volts Measurement Range mV dc Resolution 400.0 Accuracy % of Reading + CountsDC Millivolts Measurement AC Current Measurement DC Current MeasurementMeasurement Current Range ResolutionOhms Measurement Input Range Minimum Sensitivity rms Sinewave 5 Hz to 5 kHz Frequency Counter AccuracyFrequency Counter Sensitivity General Specifications Source modeSimulate Mode Diode Test and Continuity TestCertifications CSA, UL, TÜV Index Knob positions, 9 Pushbuttons Loop supply, external Index 787