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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