Fluke 125B/S Calibration Guide - Page 12

123B/124B/125B Calibration Manual Specifications Dual Input Oscilloscope Vertical Frequency Response DC Coupled without probes and test leads (with BB120) 125B, 124B DC to 40 MHz (-3 dB) 123B DC to 20 MHz (-3 dB) with STL120-IV 1:1 shielded test leads...........DC to 12.5 MHz (-3 dB) / DC to 20 MHz (-6 dB) with VP41 10:1 probe 125B, 124B DC to 40 MHz (-3 dB) 123B (optional accessory DC to 20 MHz (-3 dB) AC Coupled (LF roll off): without probes and test leads 10 Hz (-3 dB) with STL120-IV 10 Hz (-3 dB) with VP41 10:1 Probe 10 Hz (-3 dB) Rise Time, excluding probes, test leads 125B, 124B 8.75 ns 123B 17.5 ns Input Impedance without probes and test leads 1 MΩ//20 pF with BB120 1 MΩ//24 pF with STL120-IV 1 M//230 pF with VP41 10:1 Probe 5 MΩ//15.5 pF Sensitivity 5 mV to 200 V/div Analog Bandwidth Limiter 10 kHz Display Modes A, -A, B, -B Max. Input Voltage A and B direct, with test leads, or with VP41 Probe..........600 Vrms Cat IV, 750 Vrms maximum voltage with BB120 600 Vrms (For detailed specifications, see Safety, Figure 1 and Figure 2.) Max. Floating Voltage, from any terminal to ground 600 Vrms Cat IV, 750 Vrms up to 400 Hz Vertical Accuracy 1 % + 0.05 range/div) Max. Vertical Move 5 divisions Horizontal Scope Modes Normal, Single, Roll Ranges Normal Equivalent sampling 125B, 124B 10 ns to 500 ns/div 123B 20 ns to 500 ns/div Real time sampling 1 μs to 5 s/div Single (real time 1 μs to 5 s/div Roll (real time 1 s to 60 s/div Sampling Rate (for both channels simultaneously) Equivalent sampling (repetitive signals 4 GS/s Real time sampling 1 μs to 60 s/div 40 MS/s 4