Fluke 125B/S Calibration Guide - Page 14

123B/124B/125B Calibration Manual 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 % Note For the total accuracy for AC coupled, add the derating values specified in the table to the table of AC or DC coupled. DC Rejection (only VAC 50 dB Common Mode Rejection (CMRR 100 dB @ DC >60 dB @ 50 Hz, 60 Hz, or 400 Hz Full Scale Reading 5000 counts, reading is independent of any signal crest factor. Peak Modes Max peak, Min peak, or pk-to-pk Ranges 500 mV, 5 V, 50 V, 500 V, 2200 V 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 125B, 124B 1 Hz, 10 Hz, 100 Hz, 1 kHz, 10 kHz, 100 kHz,1 MHz, 10 MHz, and 70 MHz 123B 1 Hz, 10 Hz, 100 Hz, 1 kHz, 10 kHz, 100 kHz,1 MHz, 10 MHz, and 50 MHz Frequency Range in Continuous Autoset ...........15 Hz (1 Hz) to 50 MHz Accuracy 125B, 124B @ 1 Hz to 1 MHz 0.5 % + 2 counts) @ 1 MHz to 10 MHz 1.0 % + 2 counts) @ 10 MHz to 70 MHz 2.5 % + 2 counts) 123B @ 1 Hz to 1 MHz 0.5 % + 2 counts) @ 1 MHz to 10 MHz 1.0 % + 2 counts) @ 10 MHz to 50 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 ...........15 Hz (1 Hz) to 30 MHz 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 ...........15 Hz (1 Hz) to 30 MHz 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 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) 6