Fluke 80 Series III user manual All ranges

Page 34

80 Series III

Users Manual

Function

K

Table 7. Functions and Trigger Levels for Frequency Measurements

	Approximate
Range	Trigger Level	Typical Application

4 V, 40 V, 400 V,	0 V	Most signals.
1000 V

K

400 mV

0 V

High-frequency 5 V logic signals. (The dc-coupling of the L function can attenuate high-frequency logic signals, reducing their amplitude enough to interfere with triggering.)

L

L

L

L

L

400mV

4V

40V

400V

1000 V

40mV

1.7V

4V

40V

400V

Refer to the measurement tips given before this table.

5V logic signals (TTL). Automotive switching signals.

Refer to the measurement tips given before this table.

ReEG

Frequency counter characteristics are not specified for these functions.

\

μAF

^

AF

All ranges

0A

400μA

40mA

4A

AC current signals.

Refer to the measurement tips given before this table.

26

Image 34

Contents

Series Lifetime Limited Warranty Table of Contents Series List of Tables Series List of Figures Series Introduction International Electrical Symbols SeriesSafety Information Terminal Your Meter’s FeaturesInputs Description Switch Position Rotary Switch Positions FunctionButton Function Pushbuttons Button FunctionButton Display Features Model 87 Shown Display Features Indication Number Feature100 ms Display Features Number ΜA, mA ΜF, nF Me, ke Hz, kHz, MHzPower-Up Options Automatic Power-OffMaking Measurements Input Alert FeatureMeasuring AC and DC Voltage Switch Box Testing for Continuity For in-circuit tests, turn circuit power off Measuring Resistance Disconnect Isolating a ResistorUsing Conductance for High Resistance or Leakage Tests Measuring CapacitanceMeasuring Capacitance Series Testing Diodes Testing a Diode WWarning Measuring AC or DC CurrentCurrent through one component Series Measuring Frequency All ranges Measuring Duty Cycle Components of Duty Cycle MeasurementsDetermining Pulse Width Analog Bar GraphModel 87 Bar Graph 2 Digit Mode Model Models 83 and 85 Bar GraphMIN MAX Recording Mode MIN MAX Functions Relative Mode Touch Hold ModeZoom Mode Models 83 Uses for the Zoom Mode Models 83 MaintenanceGeneral Maintenance Touch top half Testing the Fuses00.5 Ω Replace fuse OL Input contactsReplacing the Battery Replacing the FusesService and Parts Battery and Fuse Replacement Fluke Part Or Model Number Replacement PartsQuantity Replaceable Parts Accessories Fluke Part NumberSpecifications Models 85 and 87 AC Voltage Function Specifications KHz 20 kHz2Model 83 AC Voltage Function Specifications Model Current Function Specifications Resolution Model Model 853 Burden Voltage TypicalΜA B Capacitance and Diode Function Specifications Frequency Counter SpecificationsFrequency Counter Sensitivity and Trigger Levels AccuracyElectrical Characteristics of the Terminals MIN MAX Recording Specifications