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MarMonix MCA-207 Instruction Manual

Ac/dc true-rms clamp meter
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AC/DC True-RMSClamp Meter
Products Code: MCA-207
Instruction Manual
WWW.MARMONIX.CO

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Summary of Contents for MarMonix MCA-207

  • Page 1 AC/DC True-RMSClamp Meter Products Code: MCA-207 Instruction Manual WWW.MARMONIX.CO...

  • Page 2: Table Of Contents

    CONTENTS 1. Measuring Limits 2. Safety Information 3. Features 4. Instrument Layout 5. Specifications 6. DC Current Measurement 7. AC Current Measurement 8. DC Voltage Measurement 9. AC Voltage Measurement 10. Resistance Measurement 11. Capacitance Measurement 12. Frequency Measurement 13. Temperature Measurement 14.

  • Page 3: Safety Information

    Resistance: 0.1Ὠ to 40MὨ Capacitance: 0.001 nFto 40mF Frequency: 0.001 kHz to 4kHz Temperature: -40˚C to 1000˚C -40˚F to 1832˚F 2. Safety Information This manual contains information that must be followed for operating the meter safety and maintaining the meter in a safe operating condition. If the meter is not used in a manner specified in this manual, the protection provided by the meter may be impaired.
  • Page 4 Follow all safety and operating instructions to ensure  maximum personal safety during the use and operation of the meter. Failure to follow the above instructions may cause  injury. Instrument damage and/or damage to equipment under test. The symbol indicated on the meter means that the ...
  • Page 5  Do not exceed the maximum allowable input of any measurement range.  Never touched exposed wiring, connections or any live circuit when attempting to take measurement.  Do not attempt to make measurements in flammable gaseous areas, fumes, vapor or dust. The use of the instrument in these areas may cause sparking, which can lead to an explosion.
  • Page 6  Ensure the meter is switch off before opening the battery cover when replacing the battery.  Never replace a battery if the surface of the meter is wet or moist. CAUTION  Before making measurements ensure that the function selector switch is set on the appropriate range position.

  • Page 7: Features

    3. FEATURES  True RMS measurement of AC Current ad AC Voltage  Large 4000 count LCD display with a bargraph and a bright white LED backlight.  Wide measurement range from 0.01A AC/DC up to 1000A AC/DC  Measures AC and DC Voltage up to 600 volts ...

  • Page 8: Instrument Layout

    4. INSTRUMENT LAYOUT...

  • Page 9: Specifications

    5. SPECIFICATIONS Clamp Size 30mm Opening Approx Diode Test Test Current of 0.3mA typical; Open circuit voltage 1.5V DC Continuity check Threshold<35Ὠ; Test current<1mA Low battery indication “ ” is displayed Overrange Indication “OL” is displayed Measurements Rate 2 per second, nominal Input Impedance 10MὨ...
  • Page 10 5.SPECIFICATIONS DC Current Range Measuring Range Resolution Accuracy(% of Readings) 0~40.00A 0.01A ±(2.8%+10digits) 400A 0~400.0A 0.1A ±(2.8%+8digits) 1000A 0~1000A ±(3.0%+8digits) AC Current Range Measuring Range Resolution Accuracy(% of Readings) 0~40.00A 0.01A ±(2.8%+10digits) 400A 0~400.0A 0.1A ±(2.8%+8digits) 1000A 0~1000A ±(3.0%+8digits) DC Voltage Range Measuring Range Resolution...
  • Page 11 Resistance Range Measuring Range Resolution Accuracy(% of Readings) 400Ὠ 0~400.0 Ὠ 0. Ὠ ±(1.0% + 4 digits) 4k Ὠ 0~4.000k Ὠ 1 Ὠ 40k Ὠ 0~40.00k Ὠ 10 Ὠ ±(1.5% + 2 digits) 400kV 0~400.0k Ὠ 100 Ὠ 4M Ὠ 0~4.000M Ὠ...

  • Page 12: Dc Current Measurement

    Temperature Range Measuring Range Resolution Accuracy(% of Readings) ˚C -40˚C~1000˚C 1˚C ±(2.5˚% + 3˚C) ˚F -40.0˚F~1832˚F 1˚F ±(2.5% + 5˚F) 6. DC Current Measurement WARNING: Ensure that the test leads are disconnected from the meter before making current measurements. 1. Set the function switch to 1000A or 400A or 40A range position, and make sure that the current under test does not exceed the upper limit of the measuring range you have selected.
  • Page 13  When large currents the transformers jaws may buzz. This is not a fault and does not affect the accuracy of the reading.
  • Page 14 7. AC True RMS Current Measurement WARNING: Ensure that the test leads are disconnected from the meter before making current measurements. 1. Set the function switch to 1000A~ or 400A~ or 40A~range position, and make sure that the current under test does not exceed the upper limit of the measuring range you have selected.

  • Page 16: Dc Voltage Measurement

    8. DC Voltage Measurement 1. Set the function switch to range position. The meter automatically defaults to DC Volts. 2. Insert the test lead into the “V Ὠ TEMP HZ” input terminal and the black lead to the “COM” terminal. 3.
  • Page 17 9. AC true RMS voltage measurement 1. Set the function switch range position. 2. Press the MODE button to select the AC Volt range. The meter automatically defaults to DC Volts. 3. Insert the red test lead into the “V Ὠ TEMP HZ” input terminal and the black lead to the “COM”...

  • Page 18: Resistance Measurement

    10. Resistance Measurement 1. Set the function switch to range position. The meter automatically defaults to resistance range. 2. Insert the test lead into the “V Ὠ TEMP HZ” input terminal and the black lead to the “COM” terminal. 3. Connect the other end of the test leads to the circuit or component under test.

  • Page 19: Capacitance Measurement

    11. Capacitance Measurement 1. Set the function switch to CAP range position. 2. Insert the test lead into the “V Ὠ TEMP HZ” input terminal and the black lead to the “COM” terminal. 3. Connect the other end of the test leads to the circuit or component under test.

  • Page 20: Frequency Measurement

    12. Frequency Measurement 1. Set the unction switch to range position. The meter automatically defaults to Frequency range. 2. Press the MODE button for 3 seconds to select the Frequency range. The meter automatically defaults to DC Voltage. 3. Insert the test lead into the “V Ὠ TEMP HZ”input terminal and the black lead to the “COM”...

  • Page 21: Temperature Measurement

    13. Temperature Measurement 1. Set the functions switch to TEMP range position. The meter automatically defaults to ˚C range. 2. Insert the meter white temperature adaptor into the “V Ὠ TEMP HZ” input terminal and the “COM” terminal. Ensure that the “-“ marking on the adaptor is inserted into the “COM”...

  • Page 22: Diode Test

    14. Diode Test 1. Set the function switch to range position. 2. Press the MODE button to select the Diode Test range. The meter automatically defaults to resistance. 3. Insert the red test lead into the “V Ὠ TEMP HZ” input terminal and the black lead to the “COM”...

  • Page 23: Continuity Testing

    15. Continuity Testing 1. Set the function switch to range position. 2. Press the MODE button to select the Continuity Test range. The meter automatically defaults to Resistance. 3. Insert the red test lead into the “V Ὠ TEMP HZ”input terminal and the black lead to the “COM”...

  • Page 25: Peak Hold Functions

    16. DATAHOLD This is a function used to freeze the reading on the display, ideal for later viewing. 1. Press the HOLD button once. When the HOLD is activated, the meter beeps, freezes the reading, and displays the “HOLD” indicator on the LCD. 2.

  • Page 26: Auto Power Off

    2. To turn off the backlight press the button for 3 seconds. Note: the use of the backlight will reduce the battery life considerably. 19. Auto Power Off This feature automatically turns off the meter after approximately 20 minutes from the last measurement taken.
  • Page 27 5. Replace the battery cover and reinstall the screw.

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