Product selection guide: Clamp meters | Fluke
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Product selection guide: Clamp meters

Use our product selection guide to find the clamp meter that fits your needs best.
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Fluke 377 FC measures voltage and current with the clamp jaw
Fluke 373 True RMS AC Clamp Meter
Discontinued
Fluke 377 FC Non-Contact Voltage True-rms AC/DC Clamp Meter with iFlexFluke 373 True-RMS AC Clamp Meter

Mechanical, environmental and safety ratings

Category ratingsCAT III 1000 V, CAT IV 600 VCAT III 600 V, CAT IV 300 V 

Special features

Fluke Connect™ compatible  
Inrush current mode  
Low-pass filter  
18 inch iFlex® Flexible Current ProbeIncluded 
Phase rotation  
Phase to phase voltage calculation  
Fluke FieldSense™ technology  
Data logging  

Specifications

Jaw opening1.3 in (34 mm)1.3 in (34 mm) 
Max wire size (MCM)750750 
Current range AC (RMS)999.9 A600.0 A 
AC responseTrue RMSTrue RMS 
Current range DC999.9 A 
Accuracy DC current: ± 5 counts2.00 % 
Voltage range DC1000 V600 V 
Accuracy AC voltage: ± 5 counts1.00 %1.00 % 
Resistance range60 kΩ6000 Ω 
Frequency measurement range500 Hz 
Accuracy AC current (50/60 Hz): ± 5 counts2.00 %2.00 % 
Voltage range AC1000 V600 V 
Accuracy DC voltage: ± 5 counts1.00 %1.00 % 

Unit power

Auto off   

Measurements

AC current   
AC voltage   
Resistance   
Continuity   
DC volts   
DC current  
True RMS   
Frequency  
Min-Max-Avg  
Capacitance   

Display

Display hold   
Backlight