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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 323 True RMS Clamp Meter
Fluke 377 FC measures voltage and current with the clamp jaw
Fluke 323 True RMS Clamp MeterFluke 377 FC Non-Contact Voltage True-rms AC/DC Clamp Meter with iFlex

Measurements

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

Display

Display hold   
Backlight  

Specifications

Jaw opening1.2 in (31 mm)1.3 in (34 mm) 
Max wire size (MCM)600750 
Current range AC (RMS)400.0 A999.9 A 
AC responseTrue RMSTrue RMS 
Voltage range AC600 V1000 V 
Accuracy AC voltage: ± 5 counts1.50 %1.00 % 
Voltage range DC600 V1000 V 
Resistance range6000 Ω60 kΩ 
Accuracy AC current (50/60 Hz): ± 5 counts2.00 %2.00 % 
Accuracy DC voltage: ± 5 counts1.00 %1.00 % 
Current range DC999.9 A 
Accuracy DC current: ± 5 counts2.00 % 
Frequency measurement range500 Hz 

Mechanical, environmental and safety ratings

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

Unit power

Auto off   

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