Space-saving for the small camera workshop: Multimeter and oscilloscope in one device

Nimbus62 said:

Andreas start introducing the oscilloscope. (for me) It is necessary to check quickly and validate functionnality. Basic or advance it depend of your skills, methodology. Long discussion.

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Andreas Thaler said:

This isn't my first oscilloscope. I've had several Hamegs and a Siemens 4-channel oscilloscope with 100 MHz bandwidth. It's an impressive piece of furniture

And then there's a tiny one from China, which doesn't have autotrigger and is controlled via the circuit board. The new one is much more convenient.

All of these measuring devices don't do anything on their own. If you don't know what to measure, how, and why, and then interpret it, nothing useful will come of it.

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Andreas Thaler said:

View attachment 394185

The PeakTech had its first use today to troubleshoot a Minolta 7000 AF and was successful.

Link to the report follows

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Nimbus62 said:

For sure


For sure, need skills especially for advance usage. But simply, just looking a signal a basic one is very very usefull otherwise you are blind man..
Time / freq measurement is nice to have to avoid the usage of an external time/counter.

"All of these measuring devices don't do anything on their own"
For sure. You have to developp external interface to facilitate investigation. Ex I developp a test box for Minolta XM and I integrate different stages to be able to trig on different signals:
- X sync signal (+5V 4,7K pull-up)
- Curtain sync (light cell)
- etc..

Example for the curtain speed I developp only the cell interface and use the scope math capability to do time measurement, statistics on several cycle and also isolate min and max value to validate it is in side manufacturer spec (many time average is OK but you have some time a bad exposure time due to... electric ou mecanical failure, age of the mecanic, critical adjustment somewhere).

One tool alone is not sufficient. Need to associate several one.
What is plaisant is to imagine a bench chaining different equipmeent to replace existing one you cannot get.? (High cost or do not exist anymore : ex Minotal XM test box).

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4season said:

I suppose that a person could go a step further with this:

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Nimbus62 said:

For sure


For sure, need skills especially for advance usage. But simply, just looking a signal a basic one is very very usefull otherwise you are blind man..
Time / freq measurement is nice to have to avoid the usage of an external time/counter.

Click to expand...