Extech Instruments MA220 User Manual
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Extech Instruments MA220 User Manual

400a ac/dc clamp meter
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User's Guide
400A AC/DC Clamp Meter
Model MA220

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Summary of Contents for Extech Instruments MA220

  • Page 1 User’s Guide 400A AC/DC Clamp Meter Model MA220...

  • Page 2: International Safety Symbols

    Introduction Thank you for selecting the Extech MA220 AC/DC Clamp Meter. This meter measures AC/DC Current, AC/DC Voltage, Resistance, Capacitance, Frequency, Duty Cycle, Temperature, Diode Test, and Continuity. This professional meter, with proper care, will provide years of safe reliable service.

  • 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-EU-EN V1.5 7/09...
  • Page 4 (2) 1.5V AAA batteries Weight 200g (0.44lb) Size 200x50x35mm (7.87” x 1.97” x 1.38”) 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-EU-EN V1.5 7/09...

  • 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-EU-EN V1.5 7/09...

  • 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 150, the audible signal will sound. If the circuit is open, the display will indicate “OL.”. MA220-EU-EN V1.5 7/09...
  • Page 7 Press and hold the RANGE button for two seconds to return to Autoranging mode. Note: Manual ranging does not function in AC Current or Diode and Continuity check functions. In Temperature function, it will change the resolution from 0.1° to 1°. MA220-EU-EN V1.5 7/09...

  • Page 8: Maintenance

    Disposal: Follow the valid legal stipulations in respect of the disposal of the device at the end of its lifecycle Copyright © 2004 Extech Instruments Corporation. All rights reserved including the right of reproduction in whole or in part in any form.

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