User’s Guide
400A AC Clamp Meter
Model MA200
Introduction
Thank you for selecting the Extech MA200 AC Clamp Meter. This meter measures AC Current, AC/DC Voltage, Resistance, Diode Test, and Continuity. This professional meter, with proper care, will provide years of safe reliable service.
Safety
International Safety Symbols
This symbol, adjacent to another symbol or terminal, indicates the user must refer to the manual for further information.
This symbol, adjacent to a terminal, indicates that, under normal use, hazardous voltages may be present
Double insulation
A UL mark does not indicate that this product has been evaluated for the accuracy of its readings.
SAFETY NOTES
•Do not exceed the maximum allowable input range of any function
•Do not apply voltage to meter when resistance function is selected.
•Set the function switch OFF when the meter is not in use.
•Remove the battery if meter is to be stored for longer than 60 days.
WARNINGS
•Set function switch to the appropriate position before measuring.
•When measuring volts do not switch to current/resistance modes.
•Do not measure current on a circuit whose voltage exceeds 240V.
•When changing ranges using the selector switch always disconnect the test leads from the circuit under test.
•Do not exceed the maximum rated input limits.
OVERVOLTAGE CATEGORY III
This meter meets the IEC 610-1-95 standard for OVERVOLTAGE CATEGORY III. Cat III meters are protected against overvoltage transients in fixed installation at the distribution level. Examples include switches in the fixed installation and some equipment for industrial use with permanent connection to the fixed installation.
2 |
MA200 Version 1.4 06/06 |
Specifications
Function |
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Range |
Accuracy (of reading) |
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AC Current |
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2.000 ACA |
± (2.5% + 10 digits) |
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20.00 ACA |
± (2.5% + 4 digits) |
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200.0 ACA |
± (2.5% + 4 digits) |
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400 ACA |
± (3.0% + 5 digits) |
AC Voltage |
|
200.0mV, |
± (1.5% + 30 digits) |
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2.000V |
± (1.5% + 3 digits) |
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20.00V |
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200.0V |
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600V |
± (2.0% + 4 digits) |
DC Voltage |
|
200.0mV |
± (0.5% + 5 digits) |
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2.000V |
± (1.2% + 3 digits) |
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20.00V |
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200.0V |
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600V |
± (1.5% + 3 digits) |
Resistance Ω |
|
200.0 |
± (1.0% + 4 digits) |
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2.000k |
± (1.5% + 2 digits) |
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20.00k |
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200.0k |
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2.000M |
± (2.0% + 3 digits) |
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20.00M |
± (3.0% + 5 digits) |
Jaw size |
0.9" (23mm) approx. |
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Display |
3-1/2 digits (2000 counts) LCD |
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Continuity |
Audible tone < 120Ω approx. |
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Diode Test |
Open circuit voltage < 1.5VDC; |
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Test current 0.3mA (typical) |
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AC V bandwidth |
50Hz to 400Hz |
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AC A bandwidth |
50/60Hz |
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Low battery indication |
“BAT” is displayed |
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Overrange indication |
“OL” is displayed |
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Auto Power OFF |
After 15 minutes |
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Measurement rate |
2 per second, nominal |
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Input Impedance |
7.8MΩ (V DC and V AC) |
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Operating Temperature |
41ºF to 104ºF (5ºC to 40ºC) |
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Storage Temperature |
-4oF to 140oF (-20oC to 60oC) |
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Operating Humidity |
Max 80% up to 87ºF (31ºC) decreasing linearly to 50% at |
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104ºF(40ºC) |
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Storage Humidity |
<80% |
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Operating Altitude |
6560ft. (2000meters) |
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Batteries |
(2) 1.5V AAA batteries |
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Weight |
0.44lb (200g) |
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Size |
7.87” x 1.97” x 1.38” (200x50x35mm) |
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Safety |
For indoor use and in accordance with the requirements for |
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double insulation to IEC1010-1 (1995): EN61010-1 (1995) |
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Overvoltage Category III, Pollution Degree 2. |
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3 |
MA200 Version 1.4 06/06 |
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