Fluke 189 Thermometer User Manual


 
Contents (continued)
iii
Measuring AC Current .............................................................................................. 3-18
Measuring DC Current.............................................................................................. 3-20
Measuring Frequency.................................................................................................... 3-22
Measuring Duty Cycle.................................................................................................... 3-23
Measuring Pulse Width.................................................................................................. 3-25
4 Using Memory & Communications Features ............................................................ 4-1
Introduction....................................................................................................................4-1
Types of Memory........................................................................................................... 4-1
Saved Readings Memory.......................................................................................... 4-1
Logged Readings Memory........................................................................................ 4-1
Storing Saved Readings................................................................................................ 4-2
Starting Logging ............................................................................................................ 4-2
Stopping Logging........................................................................................................... 4-2
Viewing Memory Data.................................................................................................... 4-3
Clearing Memory ........................................................................................................... 4-5
Using Communications (187 and 189) .......................................................................... 4-5
5 Changing the Default Settings ................................................................................... 5-1
Introduction....................................................................................................................5-1
Selecting Setup Options................................................................................................ 5-1
Adjusting the Temperature Offset.................................................................................. 5-4
Selecting Display Resolution (3 1/2 or 4 1/2 Digits)...................................................... 5-6
Setting the Power Off Timeout....................................................................................... 5-6
Setting the 24-Hour Clock.............................................................................................. 5-7
Setting the Line (Main) Frequency................................................................................. 5-7
Returning to Factory Defaults........................................................................................ 5-8
Saving Setup Options.................................................................................................... 5-8