Fluke 323, 365, 373, 376, 374 Data Sheet

1000 V ac/dc • 60 kΩ • Min/Max/Avg

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Detachable display • CAT IV 600 V, CAT III 1000 V• iFlex 2500 A dc

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1000 µF• 60 kΩ • Min/Max/Avg

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CAT IV 600 V, CAT III 1000 V • iFlex 2500 A dc • 1000 V ac/dc• mV dc

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60 kΩ• 1000 µF • Min/Max/Avg

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CAT IV 600 V, CAT III 1000 V • Optional iFlex 2500 A ac• mV dc

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1000 µF • Min/Max/Avg

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CAT IV 600 V, CAT III 1000 V• Optional iFlex 2500 A ac

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1000 µF • Min/Max/Avg

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CAT IV 600 V, CAT III 1000 V• Optional iFlex 2500 A ac• 600 A ac/dc

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1000 µF

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CAT IV 300 V, CAT III 600 V

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600 A ac/dc• 1000 µF • Min/Max/Avg

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CAT IV 600 V, CAT III 1000 V• Optional iFlex 2500 A ac• True-rms

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True-rms• 1000 µF

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CAT IV 300 V, CAT III 600 V

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6000 Ω • 1000 µF

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CAT IV 300 V, CAT III 600 V • True-rms• 600 A ac

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Fluke 376 Includes all 337 features plus:

Fluke 337 Fluke 381 Includes all 337 features plus:

Old model New model Feature changes

Quick Reference Guide

New Fluke Clamp Meters. Be Ready for Anything.

Fluke 336 Fluke 375 Includes all 336 features plus:

Fluke 374 Includes all 336 features (except low pass filter) plus:

Fluke 335 Fluke 374 Includes all 335 features plus:

Fluke 373 Includes all 335 features (except inrush) plus:

Fluke 334 Fluke 374 Includes all 334 features plus:

Fluke 373 Includes all 334 features (except inrush) plus:

Fluke 333 Fluke 373 Includes all 333 features plus:

©2010-2011 Fluke Corporation. 4/2011 3846176B F-EN-N

AC current (jaw) Range 999.9 A 999.9 A 600.0 A 600.0 A 600.0 A

iFlex flexible current probe Included Included Compatible Compatible –
AC current
(iFlex)

DC current Range 999.9 A 999.9 A 600.0 A 600.0 A –

AC voltage Range 1000 V 1000 V 600 V 600 V 600 V

DC voltage Range 1000 V 1000 V 600 V 600 V 600 V

mV dc range – 500 mV 500 mV – –
Resistance Range 60,000 Ω 60,000 Ω 60,000 Ω 6000 Ω 6000 Ω

Capacitance Range – 1 µF to 1000 µF 1 µF to 1000 µF 1 µF to 1000 µF 10 µF to 1000 µF

Continuity ≤ 30 Ω ≤ 30 Ω ≤ 30 Ω ≤ 30 Ω ≤ 30 Ω
Frequency 5 Hz to 500 Hz 5 Hz to 500 Hz 5 Hz to 500 Hz – –
Remote display Yes – – – –
AC response True-rms True-rms True-rms True-rms True-rms
Backlight Yes Yes Yes Yes Yes
Data hold Yes Ye s Yes Yes Yes
Min/Max/Avg Yes Yes Yes Yes –
Inrush Yes Yes Yes Yes –
Size HxWxD (mm) 280 x 88 x 50 248 x 85 x 45 248 x 85 x 45 248 x 85 x 45 232 x 85 x 45

Category rating CAT III 1000 V

Warranty Three-year Three-year Three-year Three-year Three-year

Accuracy 2 % ± 5 digits 2 % ± 5 digits 2 % ± 5 digits 2 % ± 5 digits 2 % ± 5 digits

Range 2500 A 2500 A 2500 A 2500 A –
Accuracy 3 % ± 5 digits 3 % ± 5 digits 3 % ± 5 digits 3 % ± 5 digits –

Accuracy 2 % ± 5 digits 2 % ± 5 digits 2 % ± 5 digits 2 % ± 5 digits –

Accuracy 1.5 % ± 5 digits 1.5 % ± 5 digits 1.5 % ± 5 digits 1.5 % ± 5 digits 1 % ± 5 digits

Accuracy 1 % ± 5 digits 1 % ± 5 digits 1 % ± 5 digits 1 % ± 5 digits 1 % ± 5 digits

Accuracy 1 % ± 5 digits 1 % ± 5 digits 1 % ± 5 digits 1 % ± 5 digits 1 % ± 5 digits

Accuracy – 1.9 % ± 2 digits 1.9 % ± 2 digits 1.9 % ± 2 digits 1.9 % ± 2 digits

Max wire dia. 34 mm (750 MCM) 34 mm (750 MCM) 34 mm (750 MCM) 34 mm (750 MCM) 32 mm (750 MCM)
Weight (g) 540 375 375 375 370

Fluke 381 Fluke 376 Fluke 375 Fluke 374 Fluke 373

CAT IV 600 V

CAT III 1000 V

CAT IV 600 V

CAT III 1000 V

CAT IV 600 V

CAT III 1000 V

CAT IV 600 V

CAT III 600 V
CAT IV 300 V