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Fluke 123
Users Manual
56
Dual Input Oscilloscope
Vertical
Frequency Response
DC Coupled:
excluding probes and test leads: ...................................
DC to 20 MHz (-3 dB)
with STL120 1:1 shielded test leads:.............................
DC to 12.5 MHz (-3 dB)
DC to 20 MHz (-6 dB)
with PM8918 10:1 probe
(optional accessory):
..............
DC to 20 MHz (-3 dB)
AC Coupled (LF roll off):
excluding probes and test leads .............<10 Hz (-3 dB)
with STL120 ............................................<10 Hz (-3dB)
with PM8918.............................................<1 Hz (-3 dB)
Rise Time
excluding probes and test leads ...................... <17.5 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 PM8918 ............................................10 MΩ//15 pF
Sensitivity............................................5 mV to 500 V/div
Display Modes .............................................. A, -A, B, -B
Max. Input Voltage A and B
direct or with test leads ...................................600 Vrms
with BB120......................................................300 Vrms
(For detailed specifications, see “Safety”)
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