MA200 Datasheet, PDF (5/8 Pages) Extech Instruments Corporation. – 400A AC Clamp Meter

Operation
NOTICES: Read and understand all warning and precaution statements listed in the
safety section of this operation manual prior to using this meter. Set the function select
switch to the OFF position when the meter is not in use.
AC Voltage Measurements
1. Set the rotary function switch to the VAC position.
2. Insert the black test lead banana plug into the negative
(COM) jack and the red test lead banana plug into the
positive (V/Ω) jack
3. Touch the test probe tips to the circuit under test
4. Read the voltage in the display. The display will indicate
the proper decimal point and value
DC Voltage Measurements
1. Set the rotary function switch to the VDC position.
2. Insert the black test lead banana plug into the negative (COM) jack and
the red test lead banana plug into the positive (V/Ω) jack
3. Touch the test probe tips to the circuit under test. Be sure to observe
the correct polarity (red lead to positive, black lead to negative)
4. Read the voltage in the display. The display will indicate the proper
decimal point and value. If the polarity is reversed, the display will show
(-) minus before the value
5
MA200 Version 1.4 06/06