Fluke ScopeMeter 123 - Input a; Advanced Meter Functions

123
Service Manual
2-8
2.3.2 Input A
Ohm (Ω
ΩΩ
Ω)
Ranges 500Ω, 5 kΩ, 50 kΩ, 500 kΩ , 5 MΩ,
30 MΩ
Accuracy ±(0.6% +5 counts)
Full Scale Reading
500Ω to 5 MΩ 5000 counts
30 MΩ 3000 counts
Measurement Current 0.5 mA to 50 nA
decreases with increasing ranges
Open Circuit Voltage <4V
Continuity (CONT)
Beep 30Ω ± 5Ω in 50Ω range
Measurement Current 0.5 mA
Detection of shorts of ≥1 ms
Diode
Maximum Voltage:
@0.5 mA >2.8V
@open circuit <4V
Accuracy ±(2% +5 counts)
Measurement Current 0.5 mA
Polarity + on input A, - on COM
Capacitance (CAP)
Ranges 50 nF, 500 nF, 5 µF, 50 µF, 500 µF
Accuracy ±(2% +10 counts)
Full Scale Reading 5000 counts
Measurement Current 5 µA to 0.5 mA, increases with increasing
ranges
Measurement principle Dual slope integrating measurement with
parasitic serial and parallel resistance
cancellation.
2.3.3 Advanced Meter Functions
Zero Set Set actual value to reference
Fast/Normal/Smooth
Meter settling time Fast 1s @ 1µs to 10 ms/div
Meter settling time Normal 2s @ 1µs to 10 ms/div
Meter settling time Smooth 10s @ 1µs to 10 ms/div