Fluke 279 FC, Руководство по калибровке

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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 r 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 % + 2 60.00 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
µ
s or longer.
Ω
600.0
Ω
0.1
Ω
0.5 % + 2
6.000 k
Ω
0.001 k
Ω
0.5 % + 1
60.00 k
Ω
0.01 k
Ω
600.0 k
Ω
0.1 k
Ω
6.000 M
Ω
0.001 M
Ω
50.00 M
Ω
0.01 M
Ω
1.5 % + 3
Diode Test 2.000 V 0.001 V 1 % + 2

1000 nF 1 nF
1.2 % + 2 10.00
µ
F 0.01
µ
F
100.0
µ
F 0.1
µ
F
9999
µ
F
[1]
1
µ
F 10 % typical
[1] In the 9999
µ
F range for measurements to 1000
µ
F, the measurement accuracy is 1.2 % + 2.