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Fluke 375 and 374 Clamp Meter Product Datasheet - Page 1
... performance and flexibility
The new Fluke 374 and 375 clamp meters offer improved performance perfect for use in noisy electrical environments while providing stable readings 374 and 375 True-rms AC/DC Clamp Meters
Work horse clamps with other accessories (Fluke 375 only)
• 1000 µF capacitance measurement
Features
• iFlex™ flexible current probe expands the measurement...
Fluke 375 and 374 Clamp Meter Product Datasheet - Page 2
..., 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
Specifications
Fluke 374 and 375 AC current via jaw AC current via iFlex™ (optional) DC current AC voltage
DC voltage
Resistance
Frequency (375 only) Capacitance True-rms Continuity Hold Backlight...
Fluke 374, 375, 376 Users Manual - Page 1
Printed in China. All product names are subject to change without notice. All rights reserved. 374/375/376
Clamp Meter
Users Manual
PN 3608883 July 2010
© 2010 Fluke Corporation. Specifications are trademarks of their respective companies.
Fluke 374, 375, 376 Users Manual - Page 2
..., then send the product to that Service Center with a description of liability may not apply to extend any other warranty on Fluke's behalf.
The Netherlands
11/99 Resellers...warranty or of incidental or consequential damages, this limitation of the problem. LIMITED WARRANTY AND LIMITATION OF LIABILITY
This Fluke product will be free from defects in material and workmanship for...
Fluke 374, 375, 376 Users Manual - Page 5
... the 376 (optional with the 374 and 375) expands the measurement range to 2500 A ac. The Fluke 374, 375, and 376 (the Meter) measure true-rms ac current and voltage, dc current and voltage, inrush current, resistance, and capacitance. Introduction
XWWarning Read "Safety Information" before you use the Meter. The illustrations in this manual show the 376.
1 The 375 and 376 also measure frequency...
Fluke 374, 375, 376 Users Manual - Page 6
... print, or download the latest manual supplement, visit http://us.fluke.com/usen/support/manuals.
2 374, 375, 376 Users Manual
How to Contact Fluke
To contact Fluke, call one of the following telephone numbers: • Technical Support USA: 1-800-44-FLUKE (1-800-443-5853) • Calibration/Repair USA: 1-888-99-FLUKE (1-888-993-5853) • Canada: 1-800-36-FLUKE (1-800-363-5853) • Europe...
Fluke 374, 375, 376 Users Manual - Page 7
...; Remove the test leads from the Meter before using the Meter. • Do not use the Meter. Carefully look at the insulation around the connectors.
• Never measure current while the test leads are explained in doubt, have the Meter serviced.
3 Check test lead
continuity. Protection can be compromised.
Replace damaged test leads before the battery door...
Fluke 374, 375, 376 Users Manual - Page 8
..., properly installed in the Meter case, to power the Meter.
• When measuring current with the conductor could result in an emergency. • Use extreme caution when working around voltages > 30 V ac rms, 42 V ac peak, or 60 V dc. 374, 375, 376 Users Manual
• Do not use only specified replacement parts. • Have the Meter serviced only by qualified service personnel...
Fluke 374, 375, 376 Users Manual - Page 10
Go to equipment under test: • Use the proper jacks, function, and range for recycling
information.
374, 375, 376 Users Manual
WCaution
To avoid possible damage to the Meter or to Fluke's website for the measurement application. • Clean the case and accessories with a damp cloth and mild detergent only. Do not use abrasives or solvents. X
Hazardous...
Fluke 374, 375, 376 Users Manual - Page 12
...test probe accessory, current clamp accessory, and the Meter is the LOWEST rating of any individual component.
8
CAT IV
CAT IV equipment has protection against transients in equipment in large buildings. 374, 375, 376 Users Manual
Symbol
Meaning
Symbol..., and lighting systems in fixed-equipment installations, such as an electricity Meter or an overhead or underground utility service.
Fluke 374, 375, 376 Users Manual - Page 23
Specifications
Electrical Specifications AC Current via Jaw Range
374 and 375 600.0 A 376 999.9 A Resolution 0.1 A Accuracy 2 % ± 5 digits (10-100 Hz)
2.5 % ± 5 digits (100-500 Hz) Crest Factor (50/60 Hz 3 @ 500 A (375 and 376 only)
2.5 @ 600 A 1.42 @1000 A (376 only) Add 2 % for C.F. > 2
Clamp Meters Specifications
19
Fluke 374, 375, 376 Users Manual - Page 24
374, 375, 376 Users Manual
AC Current via Flexible Current Probe Range 2500 A Resolution
374 and 375 0.1 A (≤ 600 A) 1 A (≤ 2500 A)
376 0.1 A (≤ 999.9 A) 1 A (≤ 2500 A)
Accuracy 3 % ±5 digits (5 - 500 Hz) Crest Factor (50/60Hz 3.0 at 1100 A (375 and 376 only)
2.5 at 1400 A 1.42 at 2500 A Add 2 % for C.F. > 2
20
Fluke 374, 375, 376 Users Manual - Page 26
374, 375, 376 Users Manual
Distance from Optimum
i2500-10 Flex
i2500-18 Flex
Error
A
0.5 in (12.7 mm)
1.4 in (35.6 mm)
± 0.5 %
B
0.8 in (20.3 mm)
2.0 in (50.8 mm)
± 1.0 %
C
1.4 in (35.6 mm)
2.5 in (63.5 mm)
± 2.0 %
Measurement uncertainty assumes centralized ...
Fluke 374, 375, 376 Users Manual - Page 27
374 and 375 600.0 V 376 1000 V Resolution 374 and 375 0.1 V 376 0.1 V (≤ 600.0 V)
1 V (≤ 1000 V) Accuracy 1.5 % ± 5 digits (20 - 500 Hz) DC Voltage Range
374 and 375 600.0 V 376 1000 V
Clamp Meters Specifications
23
Fluke 374, 375, 376 Users Manual - Page 31
Clamp Meters Specifications
Flexible Current Probe Diameter 7.5 mm Flexible Current Probe Cable Length (head to electronics connector 1.8 m Environmental Specifications Operating Temperature 10 °C - +50 °C Storage Temp 40 °C - +60 °C Operating Humidity Non condensing (< 10 - °C)
≤ 90 % RH (at 10 °C - 30 ...
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