Fluke 125 User Manual page 99

AC or DC coupled:
60 Hz to 20 kHz........................ ±(2.5% +15 counts)
20 kHz to 1 MHz.......................... ±(5% +20 counts)
1 MHz to 5 MHz......................... ±(10% +25 counts)
5 MHz to 12.5 MHz.................... ±(30% +25 counts)
5 MHz to 20 MHz (excl. test leads or probes)..........
AC coupled with 1:1 (shielded) test leads
60 Hz (6 Hz with 10:1 probe) .......................... -1.5%
50 Hz (5 Hz with 10:1 probe) ............................. -2%
33 Hz (3.3 Hz with 10:1 probe) .......................... -5%
10 Hz (1 Hz with 10:1 probe) ........................... -30%
DC Rejection (only VAC).................................... >50 dB
Common Mode Rejection (CMRR)........ >100 dB @ DC
Full Scale Reading ..................................... 5000 counts
The reading is independent of any signal crest factor.
Peak
Modes ........................ Max peak, Min peak, or pk-to-pk
Ranges.........................500 mV, 5V, 50V, 500V, 1250V
Accuracy:
Max peak or Min peak ........................ 5% of full scale
Peak-to-Peak ................................... 10% of full scale
Full Scale Reading ....................................... 500 counts
Frequency (Hz)
Ranges................. 1 Hz, 10 Hz, 100 Hz, 1 kHz, 10 kHz,
100 kHz,1 MHz, 10 MHz, and 70 MHz
±(30% +25 counts)
>60 dB @ 50, 60, or 400 Hz
Frequency Range in Continuous Autoset ......................
Accuracy:
@1 Hz to 1 MHz ............................ ±(0.5% +2 counts)
@1 to 10 MHz ............................... ±(1.0% +2 counts)
@10 to 70 MHz.............................. ±(2.5% +2 counts)
(50 MHz in Autorange)
Full Scale Reading ..................................10 000 counts
RPM
Max reading ................................................. 50.00 kRPM
Accuracy ............................................. ±(0.5% +2 counts)
Duty Cycle (PULSE)
Range...........................................................2% to 98%
Frequency Range in Continuous Autoset ......................
Accuracy (Logic or Pulse waveforms):
@1Hz to 1 MHz ............................. ±(0.5% +2 counts)
@1 MHz to 10 MHz ....................... ±(1.0% +2 counts)
Pulse Width (PULSE)
Frequency Range in Continuous Autoset ......................
Accuracy (Logic or Pulse waveforms):
@1 Hz to 1 MHz ............................ ±(0.5% +2 counts)
@1 MHz to 10 MHz ....................... ±(1.0% +2 counts)
Full Scale Reading ..................................1000 counts
10
Specifications
Dual Input Meter
15 Hz (1 Hz) to 50 MHz
15 Hz (1 Hz) to 30 MHz
15 Hz (1 Hz) to 30 MHz
10-5