English Datasheet

AC and AC/DC Clamp-on Ammeters
Clamp-on meters include models with Temperature
and True RMS measurements
With Peak Hold captures in-rush currents
Common Features:
• Maximum AC current of 600A
• Measure AC Current, AC/DC Voltage
and Resistance
• Data Hold “freezes” data in display
• 1.25" (33mm) circular jaw opening for
large cables (350MCM)
• Audible Continuity beeper
• Auto power off
• Complete with test leads, 9V battery,
and belt holster
Model 38387
• AC current to 600A
• Large 2000 count LCD display
Model 38389
• True RMS voltage and current measurements
• AC/DC current to 600A
• Large 4000 count LCD display
• Capacitance measurements
• Temperature measurements
• Includes temperature probe
(-58 to 482°F/-50 to 250°C)
Model
AC Current:
DC Current
DC Voltage:
AC Voltage:
Resistance:
Capacitance:
Temperature
Continuity:
Power:
Dimensions:
Weight:
38387 (Max. Resolution) Basic Accuracy
(%rdg+digits)
200.0A, 600A (0.1A)
±(1.5% + 4d)
—
—
600V (1V)
±(1% + 1d)
600V (1V)
±(1.5% + 4d)
2000ø (1ø)
±(1% + 2d)
—
—
—
—
Beeper ≤50ø
9V battery
3.1 x 8 x 1.6" (79 x 203 x 41mm)
6.5oz (185g)
38389 (Max. Resolution)
Basic Accuracy
(%rdg+digits)
400A, 600A (Trms) (100mA)
±(3.0% + 5d)
400A, 600A (100mA)
±(2.5% + 3d)
400mV, 4V, 40V, 400V, 600V (0.1mV)
±(0.5% + 2d)
4V, 40V, 400V, 600V (Trms) (1mV)
±(0.8% + 3d)
400ø, 4kø, 40kø, 400kø, 4Mø, 40Mø (0.1ø) ±(0.8% + 4d)
40nF, 400nF, 4μF, 40μF, 100μF (0.01nF)
±(3.5% + 5d)
-4 to 1400°F, -20 to 760°C (1°F/°C)
±(3.0% + 3°F/2°C)
Beeper ≤30ø
9V battery
3.1 x 8 x 1.6" (79 x 203 x 41mm)
6.5oz (185g)
Ordering Information:
38387 ............AC Clamp Meter
38387-NIST....AC Clamp Meter w/ Calibration Traceable to NIST
38389 ............True RMS AC/DC Clamp Meter
38389-NIST....True RMS AC/DC Clamp Meter w/ Calibration Traceable to NIST
480172 ..........Line Separator
www.extech.com
Specifications subject to change without notice.
7/23/10 - R2
Copyright © 2007-2010 Extech Instruments Corporation. All rights reserved including the right of reproduction in whole or in part in any form.