Applications 4
Using the Dual Display
Table
Primary Display
Volts DC
Volts DC
Volts DC
Volts AC
Volts AC
Volts AC
dB (in Volts dc)
Current DC
MN MX
REL
REL
HOLD
Secondary Display
Volts AC
Current DC
Current AC
Current DC
Current AC
Frequency
Frequency
Current AC
Actual Value
Actual Value
Resistance
Actual Value
Applications
•Monitor dc level and ac ripple of power supply Troubleshoot amplifier circuits
•Check power supply load regulation
•Monitor UUT current draw and circuit voltages
•Monitor loop current and voltage drop across transmitter
•Line and load regulation tests
•dc/ac or ac/dc converters
•Line and load regulation tests
•dc/ac or ac/dc converters
•Line and load regulation tests
•Transformer (magnetic circuit) saturation
•Measure ac amplitude and frequency for line voltage and ac signal analysis
•Measure frequency response of an amplifier
•Adjust ac motor control
•Read noise in telecommunication applications
•Adjust portable power generator to optimize power output
•Set frequency compensation for a network
•Use in
•Test frequency response
•Measure ripple and dc current draw of switching power supply
•Measure current dissipation in protective fuse resistors used in power supplies
•Measure ripple and noise on a line
•Show the minimum or maximum value recorded and the present measurement
•Show actual measurement and the difference between this value and the relative base.
•Select and sort resistors. (See also "Using the Compare Function" in Chapter 3.)
•Show actual measurement while holding a previous, stable measurement on the primary display