Fluke 375 Data Sheet

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374 and 375 True-rms
AC/DC Clamp Meters
Work horse clamps with increased
performance and flexibility

Technical Data
The new Fluke 374 and 375 clamp meters offer improved
performance perfect for many current measurement situations. With true-rms ac voltage and current measurements,
the Fluke 374 and 375 can read up to 600 V and 600 A in
both ac and dc modes. Additionally, both are compatible with
the new iFlex™ flexible current probe (sold separately) which
expands the measurement range to 2500 A ac and provides increased display flexibility, ability to measure around
awkward sized conductors and improved wire access.

Measurement capability
•	 600 A ac and dc current
measurement with fixed jaw
•	 2500 A ac current measurement with iFlex™
flexible current probe (sold
separately)
•	 600 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™ (Fluke 375 only)
•	 Resistance measurement to
60 kΩ (Fluke 375) or 6000 Ω
(Fluke 374) with continuity
detection
•	 Min, max, average and inrush
recording to capture variations automatically
•	 500 mV dc measurement
range to interface with other
accessories (Fluke 375 only)
•	 1000 µF capacitance
measurement

Features
•	 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
(Fluke 375 only) and state
of the art signal processing allows for use in noisy
electrical environments while
providing stable readings

®

C

US

•	 Proprietary inrush measure•	 Large, easy to read, backlight
ment technology to filter
display automatically sets the
out noise and capture motor
correct measurement range
starting current exactly as the
so you do not need to change
circuit protection sees it
switch positions while taking
a measurement
•	 Ergonomic design fits in your
hand and can be used while •	 Three-year warranty
wearing personal protective
•	 Soft carrying case
equipment

Ordering information
374 True-rms AC/DC
Clamp Meter
375 True-rms AC/DC
Clamp Meter

Specifications
Fluke 374 and 375

Range

Max Resolution

Accuracy

AC current via jaw

600 A

0.1 A

2 % ± 5 digits

AC current via iFlex™ (optional)

2500 A

0.1 A

3 % ± 5 digits

DC current

600 A

0.1 A

2 % ± 5 digits

AC voltage

600 V

0.1 V

1.5 % ± 5 digits

DC voltage

600 V

0.1 mV (375)	
0.1 V (374)

1 % ± 5 digits

Resistance

60,000 Ω (375)
6000 Ω (374)

0.1 Ω

1 % ± 5 digits

500 Hz

0.1 Hz

0.5 % ± 5 digits

1 µF to 1000 µF

1 µF

1 % ± 4 digits

Frequency (375 only)
Capacitance
True-rms

•

Continuity

•

Hold

•

Backlight

•

Min/Max

•
•

Inrush

Fluke 375 only

Low pass filter
18 in iFlex™ Flexible Current Probe
10 in iFlex™ Flexible Current Probe

Optional accessory
Optional accessory

Wire capacity

750 MCM or 2-500 MCM

Safety rating

CAT III 1000 V, CAT IV 600 V

Models
Old model: Fluke 337
New model: Fluke 376

Old model: Fluke 336
New model: Fluke 375

New model: Fluke 374
Old model: Fluke 335
New model: Fluke 374
New model: Fluke 373
Old model: Fluke 334
New model: Fluke 374

New model: Fluke 373
Old model: Fluke 333
New model: Fluke 373

Optional accessories
i2500-10 iFlex™ Flexible
Current Probe, 10 inches
i2500-18 iFlex™ Flexible
Current Probe, 18 inches

Feature Changes
Includes all 337 features plus:
• CAT IV 600 V, CAT III 1000 V
• iFlex™ 2500 A ac
• 1000 V ac/dc

• mV dc
• 60 kΩ
• 1000 µF

Includes all 336 features plus:
• CAT IV 600 V, CAT III 1000 V
• Optional iFlex™ 2500 A ac
• mV dc
Includes all 336 features 	
(except low pass filter) plus:
• CAT IV 600 V, CAT III 1000 V

• 60 kΩ
• 1000 µF
• Min/Max/Avg

Includes all 335 features plus:
• CAT IV 600 V, CAT III 1000 V
• Optional iFlex™ 2500 A ac
Includes all 335 features 	
(except inrush) plus:

• 600 A ac/dc
• 1000 µF
• Min/Max/Avg
• CAT IV 300 V, CAT III 600 V
• 1000 µF

Includes all 334 features plus:
• CAT IV 600 V, CAT III 1000 V
• Optional iFlex™ 2500 A ac
• True-rms
Includes all 334 features 	
(except inrush) plus:
• CAT IV 300 V, CAT III 600 V

• 600 A ac/dc
• 1000 µF
• Min/Max/Avg

Includes all 333 features plus:
• CAT IV 300 V, CAT III 600 V
• True-rms

• 600 A ac
• 6000 Ω
• 1000 µF

2  Fluke Corporation   374 and 375 True-rms AC/DC Clamp Meters

• Optional iFlex™ 2500 A ac
• 1000 µF
• Min/Max/Avg

• True-rms
• 1000 µF

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 3801511B D-EN-N
Modification of this document is not permitted
without written permission from Fluke Corporation.



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