Elenco Upgrade Kit SC500 to SC750 - Manual (Page 24)

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Use the HIGH (or 1A) setting on the meter (M2) and place the fan on the motor (M1). Press the
press switch (S2), the meter will measure a very high current because it takes a lot of power to
spin the fan.
Remove the fan and press the press switch again. The meter reading will be lower since spinning
the motor without the fan takes less power.
Project #544
OBJECTIVE: To measure the motor current.
Motor Current
Project #545
OBJECTIVE: To measure the 2.5V lamp current.
2.5V Lamp Current
Use the circuit from project #544, but replace the motor with the 2.5V lamp (L1). Measure
the current using the HIGH (or 1A) setting on the meter.
Project #546
OBJECTIVE: To measure the 6V lamp current.
6V Lamp Current
Use the circuit from project #544 but replace the motor with the 6V lamp (L2). Measure
the current using the HIGH (or 1A) setting on the meter (M2). Compare the lamp
brightness and meter reading to that for the 2.5V lamp (L1).
Project #547
OBJECTIVE: To measure current through the lamps.
Combined Lamp Circuits
Use the HIGH (or 1A) setting on the meter (M2) and turn on the slide
switch (S1). Both lamps are on and the meter measures the current.
Now turn on the press switch (S2) to bypass the 2.5V lamp (L1). The
6V lamp (L2) is brighter now, and the meter measures a higher
current.
!
WARNING: Moving parts. Do not touch the fan or
motor during operation. Do not lean over the motor.