Fluke 381 Data Sheet
381 Remote Display True-rms
AC/DC Clamp Meter with iFlex
The first clamp meter with a detachable, remote
display for easier, faster, safer measurements
The new Fluke 381 does everything you would expect from a
clamp meter, and then lets you remove the display for even more
flexibility. Now one technician can do jobs that used to require
two people; clamp the Fluke 381 around a conductor, remove the
display and walk across the room to operate controls or remove
protective equipment, all while watching real-time readings. The
™
new iFlex
surement range to 2500 A ac while providing increased display
flexibility, ability to measure awkward sized conductors and
improved wire access.
flexible current probe (included) expands the mea-
™
Technical Data
Measurement capability
1000 A ac and dc current
•
measurement with fixed jaw
2500 A ac current measure-
•
ment with iFlex™ flexible
current probe
1000 V ac and dc voltage
•
measurement
True-rms ac voltage and
•
current for accurate measurements on non-linear signals
Frequency measurement to
•
500 Hz with both jaw and
™
iFlex
60 kΩ resistance mea-
•
surement with continuity
detection
Min, max, average and inrush
•
recording to capture variations automatically
Features
Wireless technology allows
•
the display to be carried up to
30 ft away from the point of
measurement for added flexibility without interference
with measurement accuracy
iFlex™ flexible current probe
•
expands the measurement
range to 2500 A ac while
providing increased display
flexibility, ability to measure
awkward sized conductors
and improved wire access
CAT IV 600V, CAT III 1000 V
•
safety rating
Integrated low pass filter
•
and state of the art signal
®
USC
processing allows for use
in noisy electrical environments while providing stable
readings
Proprietary inrush measure-
•
ment technology to filter
out noise and capture motor
starting current exactly as the
circuit protection sees it
Ergonomic design fits in your
•
hand and can be used while
wearing personal protective
equipment
The removable magnetic
•
display can be conveniently
mounted where it is easily
seen
Radio transmitter auto-
•
matically turns off when the
display is connected to the
meter
Large, easy to read, backlight
•
display automatically sets the
correct measurement range
so you do not need to change
switch positions while taking
a measurement
Three-year warranty
•
Soft carrying case
•
Ordering information
381 Remote Display True-rms
Clamp Meter with iFlex™
Specifications
Fluke 381 Range Resolution Accuracy
AC current via jaw 999.9 A 0.1 A 2 % ± 5 digits
™
AC current via iFlex
2500 A 0.1 A 3 % ± 5 digits
DC current 999.9 A 0.1 A 2 % ± 5 digits
AC voltage 1000 V 0.1 V 1.5 % ± 5 digits
DC voltage 1000 V 0.1 V 1 % ± 5 digits
Resistance 60,000 Ω 0.1 Ω 1 % ± 5 digits
Frequency 500 Hz 0.1 Hz 0.5 % ± 5 digits
True-rms
Continuity
Hold
Backlight
Min/Max
Inrush
Low pass filter
Removable wireless
display
™
18 inch iFlex
Flexible
Current Probe
™
10 inch iFlex
Flexible
Current Probe
•
•
•
•
•
•
•
•
Included
Accessory
Wire capacity 750 MCM or 2-500 MCM
Safety rating CAT III 1000V, CAT IV 600V
2 Fluke Corporation 381 Remote Display True-rms AC/DC Clamp Meter with iFlex
Fluke. Keeping your world
up and running.
Fluke Corporation
PO Box 9090, Everett, WA 98206 U.S.A.
Fluke Europe B.V.
PO Box 1186, 5602 BD
Eindhoven, The Netherlands
For more information call:
In the U.S.A. (800) 443-5853 or
Fax (425) 446-5116
In Europe/M-East/Africa +31 (0) 40 2675 200 or
Fax +31 (0) 40 2675 222
In Canada (800)-36-FLUKE or
Fax (905) 890-6866
From other countries +1 (425) 446-5500 or
Fax +1 (425) 446-5116
Web access: http://www.fluke.com
©2010 Fluke Corporation.
Specifications subject to change without notice.
Printed in U.S.A. 7/2010 3801530A D -EN-N
Modification of this document is not permitted
™
without written permission from Fluke Corporation.
®
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