Please help someone that knows nothing about this stuff.
As inexpensively and as simply as possible, monitor temperature during roasting (RK Drum), perhaps at multiple locations, and record that information so that it can be used in Microsoft Excel or Open Office Calc on the laptop, which has no serial ports.
Presently I use a digital thermometer and K type thermocouple (see photo below), but I need a way to log the information in an automated fashion. I was going to buy another Digital Multimeter that had this functionality and had some software. I downloaded the software to check it out and before it would even open, it asked for the COM port; my laptop does not have one.
Can humidity be monitored on the same meter as well?
Anyway, please help develop a solution, and use small words. :(
Edited by EddieDove on 01/03/2009 11:33
I'm real curious about how and where you will place your probes?
Sorry, Bill, the photo is attached now. I used to have two temperature probes, but something happened to the one that I had directly behind the drum. Since I started roasting with the RK Drum, I have always used the one shown in the picture above.
Your Google must work better than mine. I spent a good portion of the day yesterday researching this stuff and never came across that one. The writes-ups on these things are awful because very few ever indicate whether or not the data can be exported in a format for things like spreadsheets.
My sample roaster (and by definition all Jabez Burns type sample roasters) have the same basic feature. One end of the drum is funnel shaped with a short funnel tube or snout. The snout rests in a bearing and that supports that end of the drum (not rollers). This open snout is were the beans go in and out, and used for a trier, too. I sometimes toss a TC into the snout to measure bean mass temperatures. I see no reason why a grill type unit can't use a sample roaster type drum. The big advantage is that it is quick and easy to dump.