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Resistance of digital ampmeter

Can we find the internal resistance of a multimeter ,when we use the multimeter like a ampmeter, from its datasheet?
I am trying to find the internal resistance of IDM 505 and I went to [the datasheet](https://docs.rs-online.com/33a1/0900766b815d1ee2.pdf) to the current section and the most relevant thing I could find was the accuracy but as far as I know we cannot translate the accuracy to the internal resistance when used as a ampmeter.Any help?

Can we find the internal resistance of a multimeter ,when we use the multimeter like a ampmeter, from its datasheet?
I am trying to find the internal resistance of IDM 505 and I went to [the datasheet](https://docs.rs-online.com/33a1/0900766b815d1ee2.pdf) to the current section and the most relevant thing I could find was the accuracy but as far as I know we cannot translate the accuracy to the internal resistance when used as a ampmeter.Any help?
I am asking because I didn't go to university today and we had lab hours. In the laboratory we use a Protek IDM 505 and I didn't measure some circuits which are for homework so I am searching it online to see if I can find anything.

voltage current resistance multimeter