MS400 EXTECH [Extech Instruments Corporation.], MS400 Datasheet - Page 28

• Manufacturer Part Number: MS400
• Description: Handheld Digital Storage Oscilloscope & Multimeter
• Manufacturer: EXTECH [Extech Instruments Corporation.]

Making a DC Current Measurement
Making an AC Current Measurement
To measure DC current less than 400 mA:
1. Press the A key and DCA appears at the top
2. Insert the black lead into the COM banana
3. Connect the red and black test leads in
To measure DC current larger than 400mA:
1. Press the A key and DCA appears at the
2. Press F5 to change to the 20A
3. Plug the 20A current shunt into the current
4. Connect the red and black test leads in
5. Press F4 to return to the 400mA
To measure AC current less than 400mA:
1. Press the A key and DCA appears at the top
2. Press the AUTO SET key once and ACA will
3. Insert the black lead into the COM banana
4. Connect the red and black test leads to the
of the screen. The units on the main reading
screen are mA and 20A, press F4 or F5 to
switch the measurement between mA and
20A.
jack input and the red lead into the mA
banana jack input.
series to the measurement points and the
DC current value will be displayed on the
screen.
top of the screen. The units on the main
reading screen will be mA.
measurement mode, the units on the main
reading screen will be A.
measure jack, and then plug the probe in
the module.
series to the measurement points and the
DC current value will be displayed on the
screen.
measurement mode.
of the screen. The units on the main reading
screen are mA and 20A, press F4 or F5 to
switch the measurement between mA and
20A.
be visible at the top of the screen.
jack input and the red lead into the mA
banana jack input.
measurement point and the AC current value
will be displayed on the screen.
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Figure 27: DC Current Measurement.
Figure 28: DC Current Measurement.
Figure 29: AC Current Measurement
MS400 Version 2.0 – December 2007