600A True RMS Clamp Meters + NCV Integrated Non-Contact Voltage Detector To quickly check for the presence of live wires before testing plus True RMS and 60A and 600A current ranges Features: • True RMS for accurate readings of non-sinusoidal waveforms • Built-in non-contact Voltage detector with LED alert • 1.5" (40mm) jaw size for conductors up to 500MCM • 6000 count, backlit LCD display • Includes Multimeter functions • Model MA640 measures DC Current • Relative Mode for Capacitance Zero and Offset Adjustment • Data Hold, MIN/MAX, and Auto Power Off • Complete with test leads, general purpose Type K bead wire temperature probe, 9V battery and carrying case Model MA620 Model MA640 Built-in non-contact Voltage detector with LED alert Specifications Range Display counts AC Current (True RMS) DC Current (MA640 only) AC Voltage (True RMS) DC Voltage Resistance 6000 60.00A, 600.0A 60.00A, 600.0A 6.000V, 60.00V, 600.0V 600.0mV, 6.000V, 60.00V, 600.0V 600.0Ω, 6.000kΩ, 60.00kΩ, 600.0kΩ, 6.000MΩ, 60.00MΩ 10Hz to 10kHz 40.00nF, 400.0nF, 4.000μF, 40.00μF, 400.0μF, 4000μF -4 to 1400°F (-20 to 760°C) 0.5 to 99.0% Yes Yes 9.1x3x1.5" (232x77x39mm) 9.6oz (271g) Frequency Capacitance Optional MA620-K Industrial MultiMeter/Clamp Meter Test Kit or MA640-K Phase Rotation/Clamp Meter Test Kit. See Kit datasheets for more information. Temperature Duty Cycle Diode Continuity Dimensions Weight Max. Resolution Basic Accuracy (% readings+digits) 0.01A 0.01A 0.001V 0.1mV ±(2.8% + 8d) ±(2.8% + 8d) ±(1.8% + 8d) ±(1.5% + 2d) 0.1Ω 0.01nF ±(1.0% + 4d) ±(3.0% + 5d) 0.01nF 0.1° 0.1% ±(3.0% + 5d) ±(3% + 9°F/5°C) ±(1.2% + 2d) Ordering Information: MA620..............600A True RMS AC Clamp Meter + NCV MA620-NIST ....600A True RMS AC Clamp Meter + NCV w/ Calibration Traceable to NIST MA640..............600A True RMS AC/DC Clamp Meter + NCV MA640-NIST ....600A True RMS AC/DC Clamp Meter + NCV w/ Calibration Traceable to NIST www.extech.com Specifications subject to change without notice. 1/25/12 - R1 Copyright © 2008-2011 Extech Instruments Corporation. All rights reserved including the right of reproduction in whole or in part in any form.