Fluke 45 user manual Applications, Operating the Meter Using the Computer Interface

45

Users Manual

	Measuring Frequency	3-8
	Frequency Ranging	3-8
	Frequency Measurement Rates	3-9
	Measuring Frequency of Current (100 mA and 10A) Inputs	3-9
	Frequency Sensitivity Selection	3-9
	Selecting A Function Modifier	3-10
	REL (Relative Readings) Modifier	3-11
	dB (Decibels and Audio Power) Modifier	3-12
	HOLD (Touch Hold) Modifier	3-13
	MN MX (Minimum Maximum) Modifier	3-13
	Using Function Modifiers in Combination	3-13
	Selecting A Measurement Rate (Rate)	3-14
	Using the SButton	3-14
	Using The Compare (Comp) Function	3-16
	The List and Number Editors	3-16
	Using the List Editor	3-17
	Using the Number Editor	3-18
	Power-Up Configuration	3-19
	Factory Settings of Power-Up Configuration	3-19
	Changing the Power-Up Configuration	3-19
	Calibration	3-20
4	Applications	4-1
	Introduction	4-1
	Using the Dual Display	4-1
	Using Measurement Functions in Combination	4-2
	Taking Voltage and Current Measurements Using the Dual Display	4-2
	Response Times	4-4
	How the Meter Makes Dual Display Measurements	4-5
	Updating the Primary and Secondary Displays with a Single Measurement	4-5
	Updating the Primary and Secondary Displays with Separate Measurements 4-5
	Update Rate in the Dual Display Mode	4-7
	External Trigger	4-7
	Thermal Voltages	4-8
	When Measuring Resistance	4-9
	Two-Wire Configuration	4-9
	Correcting for Test Lead Resistance	4-9
	True RMS Measurements	4-9
	Effects of Internal Noise in AC Measurements	4-10
	Calculated (AC + DC) RMS Measurements	4-10
	Waveform Comparison (True RMS vs. Average-Responding Meters)	4-10
5	Operating the Meter Using the Computer Interface	5-1
	Introduction	5-1
	Local and Remote Operations	5-1
	Preparing the Meter for Operations via the RS-232 Interface	5-2
	Setting Communication Parameters (RS-232)	5-2
	RS-232 Print-Only Mode	5-3
	Cabling the Meter to a Host or Printer (RS-232)	5-4
	Character Echoing and Deletion	5-4
	Device Clear Using ^C (CNTRL C)	5-4
	RS-232 Prompts	5-4
	Preparing the Meter to be Operated via IEEE-488 Interface	5-5
	IEEE-488 Operating Limitations	5-5

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