Find great deals for HAMEG HM 20mhz Oscilloscope. Shop with confidence on eBay!. Oszilloskop HM Equipment HAMEG GmbH, Frankfurt, build , 12 pictures, 11 schematics, 1 tubes, Germany, semiconductors, Service- or Lab. Finally got the dust off my Hameg I bought from a car boot sale about 2 years ago and forgot about it. I didn’t have the space, then moved to a.

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Nothing scary, the scarier part was the amount of spider webbing inside: There was an error while thanking. I play with my fingers on multimeters too and saw the resistance between both hands is lower then between 2 fingers on the same hand if I active my muscles also I do it with radio and my body act like a antenna if I disconect it is like a flat line, I think the form of the wave form will be more like a sinwave.

The oscilloscope still a bit dush outside and on switchs, I don’t clear all of the hameb.

So my questions are, Is there anything else to it, besides the pot adjustment? Disconnect the power cable, and remove the scope cover; Place the scope vertically, so the VR pot can be reached and the front panel still reachable ; Reconnect the power cable, turn the scope on, and supply the reliable 5 volts in my case it was through a digital Lab PSU, so I also rechecked with 1 volts, 2 volts, etc.


Is it a terribly bad idea to do the adjustment while the scope is naked and powered? Jones play with the chair and see the spikes on the oscilloscope the noise of yameg Hz here is common but I think the form of the signal can be a bit strange. I know Distrelec stocks some, but they are not alone. I’m aware that exposed CRTs are lethally dangerous.

Hameg HM 203-6 Manual

So I assume the “calibrated position” must be recalibrated. Repeat this test with the other probe.

How to calibrate the vertical sensitivity of an old analog scope Hameg HM? Turn all three red variable controls fully counter-clockwise. The configuration now is two crocodrile wires with a resistor of 2K2 between both red wires, this noise come mostly from the channel 1 on channel 2 I get some noise but a bit lower.

It’s probably just as simple as adjusting the pot marked Y-gain.

At high speed 0. The problem is that there’s no mention on how to do this in the manual I was able to find. By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policyand our Terms of Service. Z80user on December 03, INP sockets are connected together and they are also connected to the mains earth when you get that in your house.

Did you miss your activation email? Is asking on how to fix a faulty circuit on topic?

HAMEG Model Hm 2 Channel 20 MHz Oscilloscope | eBay

The ones I’ve found are in German, and contain schematics only, no instructions. If I mix both channels and add the inverse of the second one I can cancel this noise. This question appears to be off-topic. Z80user on December 04, Spend some time and clean the front panel and knobs and start playing gameg it. Should be fine to power it on and adjust it with the cover off, just be careful not to short anything with hakeg metal screwdriver and stay away from the HV supply to the CRT. Does it look like a square wave 2 divisions high and 1 wide per period?

  SAE J2807 PDF

Please login or register. The procedure being hamet follows: Hameg weird 50Hz signal As suggested, I just tried it and calibrated it myself. Just remember that the outer metal part of both inputs and the TRIG.


User manual here addition to previous link. Someone gift me this oscilloscope and I fix some capacitators on it but I see this a bit weired. See it as a challange! I’m replacing the power line wired with a new one but will be in months untils I will have ground wires, I life in a old house with wires cover by sewing thread something like that.

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