I am in need of a product that can give me several (preferably 8+) channels that will allow the date and time of 'events' to be logged - these being when a voltage exceeds or is below some pre-set value. I need the log to be able to run over a period of up to a month, with a total of, maybe up to 4000 events.
I like the look of the Enviromon for something else I have to do in a few months time, but I guess from the spec that this is a 'polled' system so that if I set it up to scan every minute, if the event has only lasted for a few seconds during that time, I wont pick it up. Typically, the events I am looking at might only last 2-10 seconds.
I thought, maybe, the ADC-16 with Picolog software might do the trick, but if there is something that will do the job better, please advise. I also will need conventional 'polled' logging at some stage where I'm logging voltages on a half-hourly basis, or thereabouts.