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Product selection guide: Digital multimeters

Use our product selection guide to find the digital multimeter that fits your needs best.
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Fluke 27 II Rugged Digital Multimeter
Fluke 279 FC
Fluke 27 II Rugged Digital MultimeterFluke 279 FC True-rms Thermal Multimeter
CategorySpecialtyWireless 
Auto / manual ranging   
Basic DC accuracy0.05 %0.09 % 
Counts60006000 
Digits3.53.5 
Wide bandwidth30 kHz500 Hz 
True RMS readingsAC 
Capacitance9,999 µF9,999 µF 
Conductance60 nS 
Continuity with beeper   
Current AC/DC10.0 AAC: 2500A w/ iFlex®. DC: w/ optional clamp accessories 
Diode test   
Duty cycle  
Frequency200 kHz1 kHz 
Microamps  
Pulse width  
Resistance50 MΩ50 MΩ 
Voltage AC/DC1000 V1000 V 
Analog bargraph  
Backlight  
Two-level backlight  
Thermal imaging capability  
Auto (touch) hold  
Display hold   
Min-max recording   
Relative reference  
USB interfaceImage transfer to SmartView® 
Automatic power off   
Closed case calibration   
Completely sealed / watertight  
Fuse access  
Low battery indication   
Operating temperature range-40 °C to +55 °C-10 °C to +50 °C 
Removable holster  
Smoothing  
Overmolded case, integrated holster  
Dangerous voltage indication   
EN61010-1 CAT III1000 V1000 V 
EN61010-1 CAT IV600 V600 V 
Input alert  
IP ratingIP 67IP 40 
WarrantyLifetime3 years