User Guide

ISO 9001:2000 CERTIFIED
08/13/06 - R1
Features:
True RMS AC Voltage and Current
DC and AC True Power to 240kW
Highest resolution of any power clamp
multimeter (10W or 100mA)
0.9" (23mm) jaw opening
Large 4000 count LCD display
Fast 40 segment analog bargraph current
Auto Zero function for DC Current
Data Hold, Max/Min recall display
Frequency to 1MHz
Low battery indication
Complete with test leads, 2 AA batteries,
and carrying case
400A DC/AC True RMS Watt Clamp Meter
Measure Watts, Current, and Voltage in hard to reach loactions
Ordering Information:
380940 ...............400A AC/DC True RMS Watt Clamp-on
380940-NIST
....400A AC/DC TRMS Watt Clamp-on with NIST Certificate
480172
...............AC Line Separator, 3-prong plug
Specifications: Range Resolution Accuracy ±(%rdg+digits) Input Signal Range
AC Power: 40kW 10W ±(1.5% + 3d)@50/60Hz 0-250V, 0-400A, PF 0-1
240kW 100W ±(1.5% + 3d)@50/60Hz 0-600V, 0-400A, PF 0-1
DC Power: 40kW 10W ±(1.5% + 3d) 0-250V, 0-400A
240kW 100W ±(1.5% + 3d) 0-600V, 0-400A
AC Current: 400A 100mA ±(1.5% + 3d)@50/60Hz Overload protection: 600A AC
(AC frequency range 40Hz-1kHz)
DC Current: 400A 100mA ±(1.5% + 3d) Overload protection: 600A DC
AC Voltage: 600V 1V ±(1.5% + 2d)@50/60Hz Overload protection: 800V AC
DC Voltage: 400V 0.1V ±(1.0% + 2d) Overload protection: 800V DC
Frequency: 1MHz 0.01-100Hz ±(0.5% + 2d) Overload protection: 600V AC
Dimensions: 7.2x2.5x1.4" (183x64x36mm)
Weight: 6.7oz (190g including batteries)
CAT II-600V
Copyright © 2006 Extech Instruments Corporation. All rights reserved including the right of reproduction in whole or in part in any form.
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