Horizontal; Trigger - Fluke ScopeMeter 123 Service Manual

123
Service Manual
Max. Input Voltage A and B
direct or with test leads
with BB120
(For detailed specifications see "2.7 Safety")
Max. Floating Voltage
from any terminal to ground
Resolution
Vertical Accuracy
Max. Vertical Move
Max. Base Line Jump
Normal & Single mode

2.2.2 Horizontal

Scope Modes
Ranges
Normal:
Single (real time)
Roll (real time)
Sampling Rate (for both channels simultaneously)
Equivalent sampling (repetitive signals)
Real time sampling:
Time Base Accuracy
Equivalent sampling
Real time sampling
Glitch Detection
Horizontal Move

2.2.3 Trigger

Screen Update
Source
2-4
equivalent sampling
real time sampling
1 µs to 5 ms/div
10 ms to 5 s/div
600 Vrms
300 Vrms
600 Vrms, up to 400Hz
8 bit
±(1% + 0.05 range/div)
±4 divisions
After changing time base or sensitivity
±0.04 divisions (= ±1 pixel)
Normal, Single, Roll
20 ns to 500 ns/div
1 µs to 5 s/div
1 µs to 5 s/div
1s to 60 s/div
up to 1.25 GS/s
25 MS/s
5 MS/s
±(0.4% +0.04 time/div)
±(0.1% +0.04 time/div)
≥40 ns @ 20 ns to 5 ms/div
≥200 ns @ 10 ms to 60 s/div
Glitch detection is always active.
10 divisions
Trigger point can be positioned anywhere
across the screen.
Free Run, On Trigger
A, B, EXT
EXTernal via optically isolated trigger
probe ITP120 (optional accessory)