Datasheet
3 Fluke Corporation Fluke 279 FC Thermal Multimeter
Resistance
Range/resolution 600.0 Ω / 0.1 Ω
6.000 kΩ / 0.001 kΩ
60.00 kΩ / 0.01 kΩ
600.0 kΩ / 0.1 kΩ
6.000 MΩ / 0.001 MΩ
50.00 MΩ / 0.01 MΩ
Accuracy 600 Ω 0.5 % + 2
6 kΩ to 600 kΩ 0.5 % + 1
50 MΩ 1.5 % + 3
Diode test
Range/resolution 2.000 V / 0.001 V
Accuracy 1 % + 2
Capacitance
Range/resolution 1000 nF / 1 nF
10.00 μF / 0.01 μF
100.0 μF / 0.1 μF
9999 μF
1
/ 1 μF
Accuracy 1000 nF thu 100 µF 1.2 % + 2
9999 µF 10 % typical
1
In the 9999 μF range for measurements to 1000 μF, the measurement accuracy is 1.2 % + 2.
AC current
Range/resolution 999.9 A / 0.1 A
2500 A / 1 A (with iFlex)
Accuracy 45 Hz to 500 Hz 3.0 % + 5
Frequency
Range/resolution 99.99 Hz / 0.01 Hz
999.9 Hz / 0.1 Hz
Accuracy 0.1 % + 1
Input characteristics
AC voltage Input impedance (nominal) > 10 MΩ < 100 pF
Common mode rejection ratio
(1 kΩ unbalance)
> 60 dB, DC to 60 Hz
Overload protection 1100 V rms
DC voltage Input impedance (nominal) > 10 MΩ < 100 pF
Common mode rejection ratio
(1 kΩ unbalance)
> 120 dB at DC, 50 Hz or 60 Hz
Normal mode rejection > 60 dB at 50 Hz or 60 Hz
Overload protection 1100 V rms
AC mV / DC mV Input impedance (nominal) > 10 MΩ < 100 pF
Common mode rejection ratio
(1 kΩ unbalance)
> 120 dB at DC, 50 Hz or 60 Hz
Normal mode rejection > 60 dB at 50 Hz or 60 Hz
Overload protection 1100 V rms
Resistance / capacitance Open circuit test voltage < 2.7 V DC
Full scale voltage to 6 MΩ
Full scale voltage 50 MΩ
< 0.7 V DC
< 0.9 V DC
Typical short circuit current < 350 mA
Overload protection 1100 V rms
Continuity / diode test Open circuit test voltage < 2.7 V DC
Full scale voltage 2.000 V DC
Typical short circuit current < 1.1 mA
Detailed specifications (continued)