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Advanced Test Equipment, 8275A
Mt Druitt College of TAFE
Department of Electrical Engineering
© Mike Stacey 204/21/23
Topics
Meter Readings Revision of current measurements using an analog
meter Draw a diagram of how to connect an ammeter in a
circuit containing a 10V dc source and a 1kΩ resistor – label your meter leads +ve and –ve
What settings should your meter have prior to turning on the power?
Please redo a couple of measurements from last week’s practical
© Mike Stacey 321/04/23
Current Measurements (ref p16 text)
© Mike Stacey 421/04/23
Meter connection [1]
When measuring current, the meter is connected in series with the circuit
© Mike Stacey 521/04/23
Meter connection [2]
© Mike Stacey 621/04/23
The ammeter is connected in series with the circuit
© Mike Stacey 721/04/23
Check polarity is correct
© Mike Stacey 821/04/23
Selecting the correct range
Begin with the range selector set to the maximum and then gradually wind it down until you have the greatest accuracy.
© Mike Stacey 921/04/23
Example connections
Meter Readings See page 3.10 workbooks
Resistance measurements
Find the indicated value of the meter for the following range settings: x1, x10, x100, x1k, x10k
Current measurements
Find the indicated value of the meter for the various current range settings