For those that do their own processing, we’ve started producing a new temperature-compensating timer.
http://www.dlgelectronics.com/compensatingtimer.html
We’ve manufactured a small initial batch to gauge demand - if it sells well we’re set up to make further units in higher quantities.
It’s quite similar in functionality to the old ZoneVI timer, and implements the standard Ilford time-temperature charts. It also acts as a digital thermometer when the timer isn’t running.