Magnetic field strength

[fortycoats]

Hi All,

Looking at the RB Annis Han-D-Mag kit, I see that the magnetometer supplied with it is rated for 5 Gauss. Is that way beyond what you'd expect to see on heads/guides (talking about both cassette and R2R here) or is it roughly the limit of what would be on there before needing to demagnetise?

Asking because I've seen instructions on various web pages for knocking a gaussmeter (same thing, right?) together for next to nothing and would like to give it a go so I'd like to know what to rate the Hall Effect sensor they are composed of at.

Thanks!

 

[apachef1]

I have the gauss meter and +/-5 is the max for the meter. 5 gauss measured on the meter at your transport and heads will remove sound from the tape.
8-10 hours of play time will show .2-.3 gauss, this is the time for the Han-D-Mag to do it's magic. You really want a '0' reading all the time

 

[fortycoats]

Good, that's useful info, thank you.

 

[apachef1]

glad to help just follow the instructions and you're golden