Product selection guide: Digital multimeters

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	Remove	Remove

	Fluke 177 True-RMS Digital Multimeter	Fluke 279 FC True-rms Thermal Multimeter

Auto / manual ranging
Basic DC accuracy	0.09 %	0.09 %
Counts	6000	6000
Digits	3.5	3.5
True RMS readings	AC	AC
Wide bandwidth	1 kHz	500 Hz

Capacitance	9,999 µF	9,999 µF
Continuity with beeper
Current AC/DC	10.0 A	AC: 2500A w/ iFlex®. DC: w/ optional clamp accessories
Diode test
Frequency	99.99 kHz	1 kHz
Resistance	50 MΩ	50 MΩ
Voltage AC/DC	1000 V	1000 V

Auto (touch) hold
Display hold
Min-max recording
USB interface		Image transfer to SmartView®

Automatic power off
Closed case calibration
Fuse access
Low battery indication
Operating temperature range	-10 °C to +50 °C	-10 °C to +50 °C
Overmolded case, integrated holster
Smoothing

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Product selection guide: Digital multimeters

Category

Basic features

Measurements

Display

Diagnostics and data

Other features

Warranty and safety

Dangerous voltage indication
EN61010-1 CAT III	1000 V	1000 V
EN61010-1 CAT IV	600 V	600 V
Input alert
Warranty	Lifetime	3 years
IP rating		IP 40

Analog bargraph
Backlight
Thermal imaging capability