Fluke 123/124
Users Manual

62

Dual Input Oscilloscope

Vertical

Frequency Response
DC Coupled:
excluding probes and test leads (via BB120):................
Fluke 123: DC to 20 MHz (-3 dB)
Fluke 124: DC to 40 MHz (-3 dB)
with STL120 1:1 shielded test leads:.............................
DC to 12.5 MHz (-3 dB)
DC to 20 MHz (-6 dB)
with VP40 10:1 probe:....................................................
Fluke 123 (optional accessory): DC to 20 MHz (-3 dB)
Fluke 124 (standard accessory): DC to 40 MHz (-3 dB)
AC Coupled (LF roll off):
excluding probes and test leads.............<10 Hz (-3 dB)
with STL120............................................ <10 Hz (-3dB)
with 10 MΩ 10:1 Probe ............................<1 Hz (-3 dB)
Rise Time
excluding probes, test leads (Fluke 123)......... <17.5 ns
excluding probes, test leads (Fluke 124)......... <8.75 ns
Input Impedance
excluding probes and test leads................ 1 MΩ//12 pF
with BB120................................................ 1 MΩ//20 pF
with STL120............................................. 1 MΩ//225 pF
with VP40 10:1 Probe............................. 5 MΩ//15.5 pF
Sensitivity............................................5 mV to 500 V/div
Display Modes.............................................. A, -A, B, -B
Max. Input Voltage A and B
direct, with test leads, or with VP40 Probe.....600 Vrms
with BB120..................................................... 300 Vrms
(For detailed specifications, see “Safety”, Figs. 4-1/4-2)
Max. Floating Voltage
from any terminal to ground ...........................600 Vrms
up to 400 Hz
Resolution................................................................ 8 bit
Vertical Accuracy....................... ±(1% + 0.05 range/div)
Max. Vertical Move.......................................±4 divisions