Fluke 125 Fluke 125 Users Manual - Page 100

Amperes AMP, Temperature TEMP, Decibel dB, Crest Factor CREST, Phase, Power

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Fluke 125 Users Manual Amperes (AMP with current clamp Ranges ......... same as VDC, VAC, VAC+DC, or PEAK Scale Factors ..0.1 mV/A, 1 mV/A, 10 mV/A, 100 mV/A, 400 mV/A, 1 V/A, 10 mV/mA Accuracy ....... same as VDC, VAC, VAC+DC, or PEAK (add current clamp uncertainty) Temperature (TEMP).... with optional temperature probe Range 200 °C/div (200 °F/div) Scale Factor 1 mV/°C and 1 mV/°F Accuracy as VDC (add temp. probe uncertainty) Decibel (dB) 0 dBV 1V 0 dBm (600Ω /50 1 mW referenced to 600Ω or 50Ω dB on VDC, VAC, or VAC+DC Full Scale Reading 1000 counts Crest Factor (CREST) Range 1 to 10 Accuracy 5% +1 count) Full Scale Reading 100 counts Phase Modes A to B, B to A Range 0 to 359 degrees Accuracy up to 1 MHz 2 degrees Accuracy 1 MHz to 5 MHz 5 degrees Resolution 1 degree 10-6 Power Configurations 1 phase 3 phase 3 conductor balanced loads (3 phase: fundamental component only, AUTOSET mode only) Power Factor (PF ratio between Watts and VA Range 0.00 to 1.00 Watt RMS reading of multiplying corresponding samples of input A (volts) and input B (amperes) Full Scale reading 999 counts VA Vrms x Arms Full Scale Reading 999 counts VA Reactive (VAR VA)2-W2) Full Scale Reading 999 counts Vpwm Purpose to measure on pulse width modulated signals, like motor drive inverter outputs Principle ...... readings show the effective voltage based on the average value of samples over a whole number of periods of the fundamental frequency Accuracy as Vrms for sinewave signals

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Fluke 125
Users Manual
10-6
Amperes (AMP)
..................................
with current clamp
Ranges
.........
same as VDC, VAC,
VAC+DC, or PEAK
Scale Factors..0.1 mV/A, 1 mV/A, 10 mV/A, 100 mV/A,
400 mV/A, 1 V/A, 10 mV/
m
A
Accuracy
.......
same as VDC, VAC,
VAC+DC, or PEAK
(add current clamp uncertainty)
Temperature (TEMP)
....
with optional temperature probe
Range
........................................
200
°
C/div (200
°
F/div)
Scale Factor
................................
1 mV/
°
C and 1 mV/
°
F
Accuracy
............
as VDC (add temp. probe uncertainty)
Decibel (dB)
0 dBV
........................................................................
1V
0 dBm (600
Ω
/50
Ω
)
..............................................
1 mW
referenced to 600
Ω
or 50
Ω
dB on
......................................
VDC, VAC,
or VAC+DC
Full Scale Reading
.....................................
1000 counts
Crest Factor (CREST)
Range
.................................................................
1 to 10
Accuracy
...............................................
±
(5% +1 count)
Full Scale Reading
.......................................
100 counts
Phase
Modes
......................................................
A to B, B to A
Range
.................................................
0 to 359 degrees
Accuracy up to 1 MHz
....................................
2 degrees
Accuracy 1 MHz to 5 MHz
.............................
5 degrees
Resolution
.......................................................
1 degree
Power
Configurations
...................................................
1 phase
..........................
3 phase 3 conductor balanced loads
(3 phase: fundamental component only,
AUTOSET mode only)
Power Factor (PF)
.............
ratio between Watts and VA
Range
......................................................
0.00 to 1.00
Watt
.....................................
RMS reading of multiplying
corresponding samples of input A (volts)
and input B (amperes)
Full Scale reading
......................................
999 counts
VA
.............................................................
Vrms x Arms
Full Scale Reading
....................................
999 counts
VA Reactive (VAR)
.....................................
√
((VA)
2
-W
2
)
Full Scale Reading
....................................
999 counts
Vpwm
Purpose
..............
to measure on pulse width modulated
signals, like motor drive inverter outputs
Principle
......
readings show the effective voltage based
on the average value of samples over a
whole number of periods of the fundamental
frequency
Accuracy
.........................
as Vrms for sinewave signals