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Summary of Contents for Extech Instruments MA3110
- Page 1 USER MANUAL 3000A TRUE RMS AC Flexible Clamp Meter Model MA3110 Additional User Manual Translations available at www.extech.com...
- Page 2 Thank you for choosing the Extech Model MA3110 Flexible AC Clamp meter with automatic ranging, data hold, and auto power OFF. The MA3110 is a professional CAT III 1000V instrument that measures up to 3000A AC RMS. The MA3110 also measures DC and AC Voltage, Resistance, Capacitance, Diode, and Continuity (beeper).
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Page 3: Safety Information
De-energize the installation under test or wear suitable protective clothing when placing or removing the flexible current probe from a test setup. Do not apply/remove the flexible current probe to/from UNINSULATED HAZARDOUS LIVE conductors that may cause electric shock, electric burn, or arc flash. MA3110-en-GB_V1.0 12/16... - Page 4 Note – Examples include switches in the fixed installation and some equipment for industrial use with permanent connection to the fixed installation. OVERVOLTAGE CATEGORY IV Equipment of OVERVOLTAGE CATEGORY IV is for use at the origin of the installation. Note – Examples include electricity meters and primary over-current protection equipment. MA3110-en-GB_V1.0 12/16...
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Page 5: Meter Description
Unit for Voltage measurements Unit for Current measurements Ω Ω Ω Units for Resistance measurements nF, uF Units for Capacitance measurements Diode measurements ‘Overload’ for over range measurements (voltage, current and resistance) Minus symbol (negative) when the measurement value is negative MA3110-en-GB_V1.0 12/16... -
Page 6: Operation
Press the H (HOLD) button with the meter ON to freeze the displayed reading. The H icon will appear along with the held reading. Press the H (HOLD) button again to release the HOLD feature. The H icon will switch OFF and the meter will show real time readings. MA3110-en-GB_V1.0 12/16... -
Page 7: Dc And Ac Voltage Measurements
Press the M (MODE) button to select AC or DC voltage. Press the test leads across the circuit under test and read the voltage on the display. In the Auto Range mode, the meter will automatically select the optimal range. AC voltage measurements are True RMS readings. MA3110-en-GB_V1.0 12/16... -
Page 8: Ac Current Measurements
Re-lock the clamp turning the clamp lock clockwise. Switch power to the device under test ON. Never move fingers above the LCD when running a test. Read the current value in the display. The meter will automatically select the appropriate range (600.0A and 3000A). MA3110-en-GB_V1.0 12/16... -
Page 9: Resistance Measurements
Press the M (Mode) button to select resistance mode. Press the test leads across the circuit under test and read the resistance on the display. In the Auto Range mode, the meter will automatically select the optimal range. MA3110-en-GB_V1.0 12/16... -
Page 10: Continuity Measurements
Press the M (Mode) button to select continuity mode. The display will show “MANU” icon (Manual Range mode). Press the test leads across the circuit under test. The meter will beep and the display will show the continuity symbol when the resistance is < 20 ohms. MA3110-en-GB_V1.0 12/16... -
Page 11: Diode Measurements
When connected as shown in test position 2 a reverse polarity check is made. If the diode under test is good, ‘OL’ will be displayed. If the diode is defective ‘0.000’ or other values will be displayed. Proper diode testing should include both polarity measurements. MA3110-en-GB_V1.0 12/16... -
Page 12: Capacitance Measurements
Press the M (Mode) button to select the capacitance Press the test leads across the circuit under test and read the capacitance on the display. In the Auto Range mode, the meter will automatically select the optimal range. MA3110-en-GB_V1.0 12/16... -
Page 13: Maintenance
0.1V 1000V Input impedance: 10MΩ; Overload protection: ± 1000V DC and AC AC Voltage 0.001V ± (1.0% + 8 digits) 0.01V (50/60Hz) 600V 0.1V True rms 1000V Input impedance: 10M ohms; Overload protection: ± 1000V DC and AC MA3110-en-GB_V1.0 12/16... - Page 14 Overload Protection: ± 30 V DC & AC (Always discharge capacitors before testing) Visual and audible beeper alert when resistance is < 20 Ω Continuity Diode Short/Open, Good/Defective tests Specifications tested under environmental conditions of RF field strength < 3V/M and frequency < 30MHz MA3110-en-GB_V1.0 12/16...
- Page 15 1000V CAT III, 600V CAT IV Current Rating 3000A Probes Listed IEC61010-031 Probes Only Copyright © 2016 FLIR Systems, Inc. All rights reserved including the right of reproduction in whole or in part in any form ISO-9001 Certified www.extech.com MA3110-en-GB_V1.0 12/16...
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