Probe Adjust Signal; Frequency And Output Voltage - Fluke Autoranging CombiScope PM3370B Reference Manual
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Also See for Autoranging CombiScope PM3370B:
- User manual (297 pages) ,
- User manual (298 pages) ,
- Service manual (478 pages)
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4 - 50
7 -
Decrease the input signal to 0.5 Vpp with an offset of 0.25V.
8 -
Set CH1 to 0.5V/division.
9 -
Verify that the top half of the square wave is visible at full intensity.
4.3.42
Probe Adjust signal; frequency and output voltage
The Probe Adjust signal is a calibration signal with fixed frequency and voltage.
In this test, the values of frequency and voltage are checked.
Test equipment:
None
Test set-up:
OSCILLOSCOPE UNDER TEST
CH1
Probe
Adjust
PROBE
+
CABLE
Settings/procedure:
1 -
Connect the Probe Adjust signal to input CH1 and press the AUTOSET
key.
2 -
Select GND of CH1.
3 -
Set the trace in the center of the screen.
4 -
Select DC input coupling for CH1.
Requirements:
1 -
Verify that a positive going square-wave signal of 0.6 V(pp) is displayed,
i.e. 3 divisions vertical at 0.2V.
2 -
Verify that the frequency of the displayed signal is about 2 kHz, i.e. a
period time between 4.0 ... 6.0 divisions horizontal at MTB 100 µs/div.
CH2
CH3
CH4
MAT4137
9303
PERFORMANCE TEST
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