User Guide

Specifications subject to change without notice.
Copyright © 2008 Extech Instruments Corporation. All rights reserved including the right of reproduction in whole or in part in any form.
www.extech.com
10/2/08 - R1
Integrated Non-Contact Voltage Detector
To quickly check for the presence of live wires before testing
600A True RMS Clamp Meters + NCV
Ordering Information:
MA620..............600A True RMS AC Clamp Meter + NCV
MA620-NIST ....600A True RMS AC Clamp Meter + NCV
MA640..............600A True RMS AC/DC Clamp Meter + NCV
MA640-NIST ....600A True RMS AC/DC Clamp Meter + NCV
Features:
• Built-in non-contact Voltage detector with LED alert
• 1.5" (40mm) jaw size for conductors up to 500MCM
• 6000 count, backlit LCD display
• Multimeter functions include AC Current, AC/DC Voltage,
Resistance, Capacitance, Frequency, Temperature, Duty
Cycle, Diode, and Continuity
• MA640 model measures DC Current
• Relative Mode for Capacitance Zero and Offset Adjustment
• Data Hold and MIN/MAX
• Auto Power Off
• Complete with test leads, Type K bead wire temperature
probe (-4 to 482˚F/-20 to 250˚C), 9V battery and carrying case
Specifications MA620 MA640
True RMS • •
Display counts 6000 6000
AC Current 0.01A to 600.0A 0.01A to 600.0A
DC Current — 0.01A to 600.0A
Basic Accuracy (ACA) 2.8% 2.8%
DC Voltage 0.1mV to 600V 0.1mV to 600V
AC Voltage 1mV to 600V 1mV to 600V
Resistance 0.1Ω to 60.00MΩ 0.1Ω to 60.00MΩ
Frequency 0.001Hz to 10.00kHz 0.001Hz to 10.00kHz
Capacitance 0.01nF to 4000.0μF 0.01nF to 4,000.0μF
Temperature -4 to 1400°F -4 to 1400°F
(-20 to 760°C) (-20 to 760°C)
Duty Cycle 0.1 to 99.9% 0.1 to 99.90%
Diode • •
Continuity • •
Dimensions 9.1x3x1.5" 9.1x3x1.5"
(232x77x39mm) (232x77x39mm)
Weight 0.6lbs (271g) 0.6lbs (271g)
99 Washington Street
Melrose, MA 02176
Phone [phone]
Toll Free 1-800-517-8431
Visit us at www.TestEquipmentDepot.com
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Test Equipment Depot - 800.517.8431 - 99 Washington Street Melrose, MA 02176
FAX [phone] - TestEquipmentDepot.com