Characteristics
2.3 Dual Input Meter 2
2-5
Source A, B, EXT
EXTernal via optically isolated trigger
probe ITP120 (optional accessory)
Sensitivity A and B (Fluke 123)
@ DC to 5 MHz 0.5 divisions or 5 mV
@ 25 MHz 1.5 divisions
@ 40 MHz 4 divisions
Sensitivity A and B (Fluke 124, 125)
@ DC to 5 MHz 0.5 divisions or 5 mV
@ 40 MHz 1.5 divisions
@ 60 MHz 4 divisions
Voltage level error ±0.5 div. max.
Slope Positive, Negative
Video on A Interlaced video signals only
Modes Lines, Line Select
Standards PAL , NTSC, PAL+, SECAM
Polarity Positive, Negative
Sensitivity 0.6 divisions sync.
2.2.4 Advanced Scope Functions
Display Modes
Normal Captures up to 40 ns glitches and displays analog-like persistence
waveform.
Smooth Suppresses noise from a waveform.
Envelope Records and displays the minimum and maximum of waveforms
over time.
Auto Set (Connect-and-View
TM
)
Continuous fully automatic adjustment of amplitude, time base, trigger levels, trigger
gap, and hold-off. Manual override by user adjustment of amplitude, time base, or trigger
level.
2.3 Dual Input Meter
The accuracy of all measurements is within ± (% of reading + number of counts) from
18 °C to 28 °C.
Add 0.1x (specific accuracy) for each °C below 18 °C or above 28 °C. For voltage
measurements with 10:1 probe, add probe uncertainty +1%.
More than one waveform period must be visible on the screen.
2.3.1 Input A and Input B
DC Voltage (VDC)
Ranges 500 mV, 5V, 50V, 500V, 1250V
Accuracy ±(0.5% +5 counts)
Turnover ±12 counts
Normal Mode Rejection (SMR) >60 dB @ 50 or 60 Hz ±1%
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