Fluke 189 — пользовательское руководство по измерительным приборам [4/96]

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Model 187 & 189

Users Manual

Selecting the Range....................................................................................................... 2-10

Understanding the Display............................................................................................. 2-10

Primary Display ......................................................................................................... 2-10

Secondary Display..................................................................................................... 2-11

Bar Graph.................................................................................................................. 2-11

Using the Input Terminals.............................................................................................. 2-17

Using Display Hold......................................................................................................... 2-18

Using AutoHOLD............................................................................................................ 2-19

Using MIN MAX.............................................................................................................. 2-19

Using FAST MN MX....................................................................................................... 2-21

Using HOLD with MIN MAX or FAST MN MX............................................................ 2-22

Using Relative Mode (REL)............................................................................................ 2-22

3 Making Measurements................................................................................................. 3-1

Introduction ....................................................................................................................3-1

Measuring Voltage......................................................................................................... 3-1

Measuring AC Voltage............................................................................................... 3-2

dB Measurements in AC Volts Functions.................................................................. 3-3

Measuring DC Voltage .............................................................................................. 3-4

Both AC and DC Voltage Measurements.................................................................. 3-4

Measuring Resistance.................................................................................................... 3-6

Testing for Continuity..................................................................................................... 3-8

Using Conductance for High Resistance Tests.............................................................. 3-9

Measuring Capacitance.................................................................................................. 3-12

Testing Diodes............................................................................................................... 3-13

Measuring Temperature................................................................................................. 3-15

Measuring Current ......................................................................................................... 3-16

Input Alert™ Feature................................................................................................. 3-17