A technical question:
I have a durst M605 enlarger with a durst TRA 305N transformer. It came with a 12V timer connected between the trafo and the enlarger.

I really don't like this timer, and would like to use another one, one that operates at 240V. Would it be OK to I put this timer between the mains and the trafo, so that the trafo also switches on and off when I expose?

Many thanks,