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Table of Contents
Related Manuals for Extech Instruments MA220
Summary of Contents for Extech Instruments MA220
- Page 1 User’s Guide 400A AC/DC Clamp Meter Model MA220...
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Page 2: International Safety Symbols
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. MA220 V1.3 10/06... -
Page 3: Specifications
± (3% + 5 °C) 400 to 1000°C 400 to 1000°C -58.0 to 400.0°F -58.0 to 0°F ± 14°F 0 to 400.0°F ± (2.5% + 6 digits) 400 to 1832°F 400 to 1832°F ± (3% + 7°F) MA220 V1.3 10/06... - Page 4 (2) 1.5V AAA batteries Weight 0.44lb (200g) Size 7.87” x 1.97” x 1.38” (200x50x35mm) Safety For indoor use and in accordance with the requirements for double insulation to IEC1010-1 (1995): EN61010-1 (1995) Overvoltage Category III, Pollution Degree 2. MA220 V1.3 10/06...
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Page 5: Meter Description
DC (direct currrent) Minus sign AUTO AutoRange mode ZERO ZERO mode Audible Continuity •))) HOLD Data Hold mode Low Battery icon Diode test mode milli Volts Amps kilo Mega Ω Ohms °F Degrees Fahrenheit °C Degrees Centigrade MA220 V1.3 10/06... -
Page 6: Operation
4. Touch the test probe tips to the circuit or wire you wish to check. 5. If the resistance is less than approximately 150Ω, the audible signal will sound. If the circuit is open, the display will indicate “OL.”. MA220 V1.3 10/06... - Page 7 Insert the black test lead banana plug into the negative (COM) jack and the red test lead banana plug into the positive (VΩ) jack. Select Hz or % with the HZ/% button. Touch the test probe tips to the circuit under test. Read the frequency on the display. MA220 V1.3 10/06...
- Page 8 Zero Button Zeros Capacitance and DC Current measurements. Also allows the user to offset the meter by using the displayed value as the zero reference value. Press the ZERO key momentarily to activate and to exit Zero mode. MA220 V1.3 10/06...
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Page 9: Maintenance
Re-assemble the meter Warranty EXTECH INSTRUMENTS CORPORATION warrants this instrument to be free of defects in parts and workmanship for one year from date of shipment (a six month limited warranty applies on sensors and cables). If it should become necessary to return the instrument for service during or beyond the warranty period, contact the Customer Service Department at (781) 890-7440 ext.