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Temp logging with Digitech QM1538
bvwelch
I noticed this unit seems popular with the Australian coffee roasters.

Even with the shipping, it seems a reasonable price from Jaycar.

Is there something similar available here in the USA for a comparable price?

If I understand correctly, you can log your TC readings via RS232.

Thanks,

Bill
Edited by bvwelch on 01/10/2008 1:52 PM
 
Coffeenut
Bill,

I have a 2 channel Datalogger, model (HH506RA) from Omega and you can see the product here:
http://www.omega....Nav=teml04

Product Spec sheet here:
http://www.omega....H506RA.pdf

This unit comes packaged with a couple of standard (unsheathed) beaded thermocouples (not the coiled wire probes shown on the page, those are optional). I ordered 3 custom probes to suit my needs for coffee roasting, grilling and ceramic smoking. It also comes with the software for logging and you can export results to an Excel file. The computer input on my unit is RS232 so you need an old fashioned RS232 Com port on your PC or some sort of converter if your PC doesn't have that port.

Omega has been around for a long time and is a good company. I liked the ability to custom order probes from Omega to my specifications. They have a wide variety of thermocouples designed for different applications and you can customize them to suit your needs (thermocouple type, temp range, sheath length, sheath material, wire specs, etc). The "Probe Configurator" tool on their website is very helpful and gives you a running visual of what you are building. If you need something special that the tool doesn't show, you can call Omega and they will build that too.

Rick
 
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