Fluke 279 FC - Detailed Specifications; AC Voltage Measurements; DC Voltage, Continuity, Resistance, Diode Test, and Capacitance Measurements; AC Current with Iflex I2500

True-rms Thermal Multimeter
Detailed Specifications
5
Detailed Specifications
For all specifications: Accuracy is specified for 1 year after calibration, at operating temperatures of 18 °C to 28 °C,
with relative humidity at 0 % to 90 %. Accuracy specifications take the form of ±([% of Reading] + [Number of least
significant digits]).
AC Voltage Measurements
DC Voltage, Continuity, Resistance, Diode Test, and Capacitance Measurements
AC Current with iFlex i2500
Range.....................................................................1.0 A ac to 2500 A ac
Resolution
1.0 A to 999.9 A ..................................................0.1 A
1000 A to 2500 A ................................................1 A
Measurement.........................................................3 % ±5 digits (45 Hz to 500 Hz)
Crest Factor (50 Hz/60 Hz) add 2 % for C.F. >2
1100 A.................................................................3.0
1400 A.................................................................2.5
2500 A.................................................................1.42
Range
[1]
Resolution
Measurement
[2][3][4]
45 Hz to 65 Hz 65 Hz to 200 Hz 200 Hz to 500 Hz
600.0 mV 0.1 mV
±(1.0 % + 3)
6.000 V 0.001 V
±(1.0 % + 3)
±(4.0 % + 3)
[5]
±(15.0 % + 3)
[5]
60.00 V 0.01 V
600.0 V 0.1 V
1000 V 1 V
[1] All ac voltage ranges are specified from 1 % of range to 100 % of range.
[2] Crest factor of ≤3 at 4000 counts, decreasing linearly to 1.5 at full scale.
[3] For non-sinusoidal waveforms, add –(2 % of reading + 2 % full scale) typical, for crest factor up to 3.
[4] Do not exceed 10
7
V-Hz.
[5] Full-time low-pass filter.
Function Range Resolution Measurement

600.0 mV 0.1 mV
0.09 % + 2

6.000 V 0.001 V
0.09 % + 260.00 V 0.01 V
600.0 V 0.1 V
1000 V 1 V 0.15 % + 2
 600 Ω 1 Ω Meter beeps at <25 Ω, beeper detects opens or shorts of 600 µs or longer.
Ω
600.0 Ω 0.1 Ω
0.5 % + 2
6.000 kΩ 0.001 kΩ
0.5 % + 1
60.00 kΩ 0.01 kΩ
600.0 kΩ 0.1 kΩ
6.000 MΩ 0.001 MΩ
50.00 MΩ 0.01 MΩ
1.5 % + 3
Diode Test 2.000 V 0.001 V 1 % + 2

1000 nF 1 nF
1.2 % + 2
10.00 µF 0.01 µF
100.0 µF0.1 µF
9999 µF
[1]
1 µF
10 % typical
[1] In the 9999 µF range for measurements to 1000 µF, the measurement accuracy is 1.2 % + 2.