Electronics > Beginners

Digital Oscilloscope Maximum Input Voltage

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mike_mike:
Dear Forum,

I recently bought a new GDS-1052-U oscilloscope. I read a few pages from the oscilloscope manual and I found that the maximum input voltage is 300Vpeak.
I have a question regarding the maximum input voltage: 300V peak is the maximum voltage input for 10V/div or for 2mV/div using a 1x probe and AC coupling ?
The oscilloscope will be damaged if I set the vertical voltage to 2mV/div and connect the 1x probe to 200V peak ? I know that the 200V peak voltage cannot be displayed on the screen if the vertical voltage is 2mV/div, but I want to know what can happen ?
The last questions: what is the maximum DC input voltage, using a 1x probe and DC coupling ?
Thanks in advance,
Mike

zvonex66x:
Maximum input voltage is 300V no metter if you set scale for 10V/div or 10mV/div...
At the input of your oscilloscope you can see maximun input voltage, but you need to see what is maximum voltage for your probe

mike_mike:
Thanks for the reply.
What means "offset range bandwidth limit" ?
I found it in the manual and I took a screenshot:
--- End quote ---

The offset range bandwidth limit is the maximum voltage that can be applied at the input throught the 1x probe ?

tggzzz:

--- Quote from: zvonex66x on January 21, 2018, 06:01:59 pm ---Maximum input voltage is 300V no metter if you set scale for 10V/div or 10mV/div...
At the input of your oscilloscope you can see maximun input voltage, but you need to see what is maximum voltage for your probe

--- End quote ---

Not forgetting the max probe voltage as a function of signal frequency!

tautech:

--- Quote from: mike_mike on January 21, 2018, 06:17:12 pm ---Thanks for the reply.
What means "offset range bandwidth limit" ?

--- End quote ---
They are two entirely different specs.

Offset Range. The amount the 0V of a channel can be offset (moved off screen) in order to display a waveform with a voltage offset.
Bandwidth Limit. Typically 20 MHz. Used to exclude the HF components of a signal and/or to clean up the waveform.

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