2 Fluke Corporation 374 and 375 True-rms AC/DC Clamp Meters
• 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
• 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
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 Ω1 % ± 5 digits
Frequency (375 only) 500 Hz 0.1 Hz 0.5 % ± 5 digits
Capacitance 1 µF to 1000 µF 1 µF 1 % ± 4 digits
True-rms •
Continuity •
Hold •
Backlight •
Min/Max •
Inrush •
Low pass filter Fluke 375 only
18 in iFlex™ Flexible Current Probe Optional accessory
10 in iFlex™ Flexible Current Probe Optional accessory
Wire capacity 750 MCM or 2-500 MCM
Safety rating CAT III 1000 V, CAT IV 600 V
Ordering information
374 True-rms AC/DC
Clamp Meter
375 True-rms AC/DC
Clamp Meter
Optional accessories
i2500-10 iFlex™ Flexible
Current Probe, 10 inches
i2500-18 iFlex™ Flexible
Current Probe, 18 inches
Models Feature Changes
Old model: Fluke 337
New model: Fluke 376 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
Old model: Fluke 336
New model: Fluke 375 Includes all 336 features plus:
• CAT IV 600 V, CAT III 1000 V
• Optional iFlex™ 2500 A ac
• mV dc
• 60 kΩ
• 1000 µF
• Min/Max/Avg
New model: Fluke 374 Includes all 336 features
(except low pass filter) plus:
• CAT IV 600 V, CAT III 1000 V
• Optional iFlex™ 2500 A ac
• 1000 µF
• Min/Max/Avg
Old model: Fluke 335
New model: Fluke 374 Includes all 335 features plus:
• CAT IV 600 V, CAT III 1000 V
• Optional iFlex™ 2500 A ac
• 600 A ac/dc
• 1000 µF
• Min/Max/Avg
New model: Fluke 373 Includes all 335 features
(except inrush) plus: • CAT IV 300 V, CAT III 600 V
• 1000 µF
Old model: Fluke 334
New model: Fluke 374 Includes all 334 features plus:
• CAT IV 600 V, CAT III 1000 V
• Optional iFlex™ 2500 A ac
• True-rms
• 600 A ac/dc
• 1000 µF
• Min/Max/Avg
New model: Fluke 373 Includes all 334 features
(except inrush) plus:
• CAT IV 300 V, CAT III 600 V
• True-rms
• 1000 µF
Old model: Fluke 333
New model: Fluke 373 Includes all 333 features plus:
• CAT IV 300 V, CAT III 600 V
• True-rms
• 600 A ac
• 6000 Ω
• 1000 µF
