Download HAMEG HM OSCILLOSCOPE UM service manual & repair info for electronics experts. Find great deals for HAMEG HM Oszilloskop 20mhz digital Storage. Shop with confidence on eBay!. I have been experiencing a problem with my Hameg HM oscilloscope. It was working correctly then the trace suddenly went back to the left.
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Stored waveforms may be recorded using a chart- or X-Y recorder. Lissajous figures can be displayed in the X-Vmode for cer- tain measuring tasks; – Comparing two signals of different frequency or bringing one frequency up hame the frequency of the other signal.
Accurate evaluation jameg such signals is only possi- ble up to approximately 2 MHz repetition frequency. Safety Class I with safety earth conductor; not in safety class II. However, if the pulse duty factor of a squarewave signal changes so much that one part of the squarewave reduces to a needle pulse, switching over to normal triggering and using the LEVEL control can be necessary. As already described, in the analog real time mode of the HMall numerical values printed on the time switch scale can also be set for the time coefficients.
Jm setting is then optimal. A CR network before the test voltage input 2088 the oscilloscope can help here. Influence on the medium frequencies T4: The triggering range covered with the LEVEL control is highly dependent on the amplitude of the signal displayed.
With sine shapes the zero-axis cros- hamdg are therefore critical and with the square waves, steep edges. These are percentages which refer to the horizon- tal screen width of mm, counting from left to right.
In MONO mode display of hhameg sum or difference depressed in addition of two signals. Internal switching from analog to digital time base takes place at the same time. Operating voltages Apart from the two a. Here pay attention that the cover plate is also correctly engaged.
X-Y mode As already described, the unit is switched over to X-Y mode – as in real time operation – by pulling out the time base fine control knob. At any time and as often as required, these signals can be displayed on the screen.
Hence, corres- ponding precautionary measures must be taken. The dot density is high max.
Full text of “Hameg: hm”
If the switch is turned too far to the left, the display is out of focus and hazy. This lamp indicates memory readiness for single sweep mode.
It should have the same value as stated above for the 1 kHz compensation. Button depressed – internal triggering from Channel II. The two stored signal waveforms must be output in two plotting processes in the dual hajeg. It is expedient to set the TRIG. Timebase variable control center pot.
HAMEG HM208 Oszilloskop 20mhz digital Storage
If a stored X-Y mode image is present, the fine time control knob must also be pulled out or pushed in with the memory switchover. Switch over to the HF position for higher signal frequencies MHz.
Select trigger coupling with TRIG, selector switch. The latter must be switched over to x1 and its HF trimmer beneath the insulat- ing cap of the BNC plug set hajeg the left stop. The maximum operating altitude is up to m non- operating m.
The plotter drive voltages are O. The input attenuator and variable control of Channel II are used in the X-Y mode for the amplitude adjust- ment in the X direction. If they are not synchronous beat then the display “breathes” in the refresh mode. A YT plotter can also be used in principle, but only an XY plotter can be used in conjunction with the X-Y mode of the oscillo- scope. The exterior of the oscilloscope should be cleaned regularly haeg a dusting brush.
M14 Subject to change without notice Memory mode General Information The controls for the memory mode are nearly all located in the X section contained within boundar lines on the front panel: All values to be measured can therefore be determined relatively accu- rately but it should be remembered that from approximately 6 MHz upwards the vertical measuring error will increase constantly with increasing frequency.
Subject to change without notice Hajeg Use of tilt handle The handle of the oscilloscope can be locked in five posi- tions, two carrying positions Fig.