Fluke 43B - Page 20

43B
Service Manual
2-6
Maximum sampling rate
10 ms to 60 s.................................................................................................... 5 MS/s
20 ns to 10 ms................................................................................................ 25 MS/s
Trigger source (auto, ½ auto, manual)................................................. Input 1 or Input 2
Trigger
Mode.........................................................................................................auto triggering
Sources........................................ Input 1, Input 2, Automatic (not manually selectable)
Error for frequencies < 1 MHz
Voltage Level ...............................................................................................± 0.5 div
at positive slope the top of the trigger symbol and at negative trigger the bottom of
the trigger symbol is the trigger point.
Time Delay Real Time sampling...............................................................± 1 sample
Time Delay Quasi Random sampling............................................................. ± 10 ns
Sensitivity input 1
@ 40 MHz ....................................................................................................... ≥ 4 div
@ 25 MHz .................................................................................................... ≥ 1.5 div
@ DC - 5 MHz................................................................................≥ 0.5 div or 5 mV
Sensitivity input 2
@ DC – 20 kHz ............................................................................................ ≥ 0.5 div
Slope Selection ....................................................................................Positive, negative
Level Control
Range Manual control .............................................> ± 4 div, within dynamic range
Delay ( horizontal move ) .......... -10 div - 0 div, used for horizontal move functionality
Vertical
Voltage ranges ............................................................................. 5 mV/div to 500 V/div
Trace accuracy................................................................................ ±(1 % + 2 pixels)
Bandwidth input 1 (voltage)
excluding test leads or probes ................................................DC to 20 MHz (-3 dB)
with test leads TL24 ................................................................. DC to 1 MHz (-3 dB)
with 10:1 probe VPS100-R (optional).................................... DC to 20 MHz (-3 dB)
with shielded test leads STL120 (optional)......................... DC to 12.5 MHz (-3 dB)
DC to 20 MHz (-6 dB)
Lower transition point (ac coupling).................................................... 10 Hz (-3 dB)
Bandwidth input 2 (current)
with Banana-to-BNC adapter ............................................................... DC to 15 kHz
Lower transition point (ac coupling).................................................... 10 Hz (-3 dB)
Scope readings
The accuracy of all scope readings is valid from 18 °C to 28 °C with relative humidity
up to 90 % for a period of one year after calibration. Add 0.1 x (the specified
accuracy) for each °C below 18 °C or above 28 °C. More than one waveform period
must be visible on the screen.
V dc, A dc ........................................................................................ ±(0.5 % + 5 counts)
V ac and V ac+dc (True RMS) input 1
DC to 60 Hz................................................................................. ±(1 % + 10 counts)
60 Hz to 20 kHz........................................................................ ±(2.5 % + 15 counts)
20 kHz to 1 MHz ......................................................................... ±(5 % + 20 counts)
1 MHz to 5 MHz........................................................................ ±(10 % + 25 counts)
5 MHz to 20 MHz...................................................................... ±(30 % + 25 counts)
A ac and A ac+dc (True RMS) input 2
DC to 60 Hz................................................................................. ±(1 % + 10 counts)
60 Hz to 15 kHz......................................................................... ±(30 % + 25 counts)
Frequency (Hz), Pulse width, Duty cycle (2.0 % to 98.0 %)