Extech MA640 Data Sheet

www.extech.com

6/22/09 - R1

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

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:

• 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, Type K bead wire temperature

probe, 9V battery and carrying case

Built-in non-contact Voltage detector with LED alert

Model MA620

Model MA640

Optional MA620-K Industrial MultiMeter/Clamp Meter Test Kit or MA640-K Phase Rotation/Clamp Meter Test Kit. See Kit datasheets for more information.

Specifications Range Max. Resolution Basic Accuracy

(% readings+digits)

Display counts 6000 AC Current (True RMS) 60.00A, 600.0A 0.01A ±(2.8% + 8d) DC Current (MA640 only) 60.00A, 600.0A 0.01A ±(2.8% + 8d) AC Voltage (True RMS) 6.000V, 60.00V, 600.0V 0.001V ±(1.8% + 8d) DC Voltage 600.0mV, 6.000V, 60.00V, 600.0V 0.1mV ±(1.5% + 2d) Resistance 600.0Ω, 6.000kΩ, 60.00kΩ,

600.0kΩ, 6.000MΩ, 60.00MΩ 0.1Ω ±(1.0% + 4d) Frequency 10Hz to 10kHz 0.01nF ±(3.0% + 5d) Capacitance 40.00nF, 400.0nF, 4.000μF, 40.00μF,

400.0μF, 4000μF 0.01nF ±(3.0% + 5d) Temperature -4 to 1400°F (-20 to 760°C) 0.1° ±(3% + 9°F/5°C) Duty Cycle 0.5 to 99.0% 0.1% ±(1.2% + 2d) Diode Yes Continuity Yes Dimensions 9.1x3x1.5" (232x77x39mm) Weight 9.6oz (271g)