Looking for handheld Signal Generator with Vpp >20V

[Magnum]

Hello,
I am looking for a handheld Signal Generator with sine wave, up to 75 Hz and Vpp > 20V, 25-30V should be sufficient.
I have a Fluke 741, but it only goes up to 10V. My cheap Chinese Sig Gen goes up to 20V, but it is not enough.
https://www.ebay.de/itm/193631309986?hash=item2d155350a2:g:3FcAAOSwoElfPnCL

Does someone know a solution?

Many thanks.

[J-R]

I'm not sure what your application is, but you could experiment with running a transformer in reverse to step up the voltage.

[bdunham7]

An amplifier, and if you need portable/hand-held you would need to make a box with a 12V battery in it.

https://www.ebay.com/itm/113463287367?hash=item1a6af05e47:g:8EQAAOSwM5tcJDUx

[Magnum]

It is to calibrate a RPM indicator which is connected to a Tach Generator. The indicator measures the frequency, but increases the minimum voltage with higher frequency. That is why 20Vpp is not enough, I need a bit more.

It has to be a solution out of the box, as it will be used in the field.

[Magnum]

An amplifier, and if you need portable/hand-held you would need to make a box with a 12V battery in it.

https://www.ebay.com/itm/113463287367?hash=item1a6af05e47:g:8EQAAOSwM5tcJDUx

That seems to be a solution, thank you.

[Henrik_V]

You can try any small line transformer with two 110V coils and use it as an 2:1 . (Spartrafoschaltung)
little box with cable in and out as rugged as you build it and no additional powersupply needed
if you don't need low output impedance, small audio transformer are cheap..