Block diagram of a digital multimeter

[andy257]

Hi Guys

ive been searching for a block diagram of a digital multimeter. Basically i need something to show me how it works and all the different parts inside of the meter. The internet has nothing. I was hopeing someone on here might have a clue as to what goes on inside or knows of a book with a diagram in. If anyone could scan me one in and host it here that would be fantastic

cheers for any help

andy

 

[panic mode]

Well, there are different designs but you could go as simple as putting
ADC and display together (with 7-segment driver). There are specialized
chips that do something like that (actually they usually utilize comparator)
and multiplex 3-4 digits (ICL7106, ICL7107 etc.). You could use VCO and
frequency counter (just to mention something different). All methods
have some pro and contra (cost, accuracy, ...). Check this out

https://www.electronics-lab.com/projects/test/014/ilc7107.pdf

There are some block diagrams on pages 8 and 9

 

[ChrisP]

Here's a block diagram of an older Micronta (Radio Shack) autoranging DMM catalog number 22-193, as found in the service manual for that meter...

**broken link removed**

 

[ante]

This can perhaps help you!
https://www.electro-tech-online.com/custompdfs/2004/03/m-2665k.pdf

Ante :roll:

 

[trewq]

Here's a block diagram of an older Micronta (Radio Shack) autoranging DMM catalog number 22-193, as found in the service manual for that meter...

**broken link removed**

I dont know how I save your block diagram from the forum.Thanks! For 22-193 dmm micronta .

 

[picbits]

The original question was asked almost 4 years ago - have a look at the posting dates ........

 

[Wendy]

Micronta 22-193

I dont know how I save your block diagram from the forum.Thanks! For 22-193 dmm micronta .

I have a Radio Shack Micronta 22-193. I need a manual, etc. because I don't know how to operate it. It has a digital readout. Does the manual include the block diagram? Can anyone help?

 

[debruse]

owners manual micronta 22-193

I have a like new Micronta 22-193 multimeter still in it`s original packaging.
I t also has the Owner`s manual but I am at a loss on how to upload it.
debruse@hotmail.com