are you heating with the elements directly in your culture, or are you
heating a water bath?
how far from the elements is the temp sensor?
On Fri, Feb 3, 2012 at 12:09 PM, Mega <masterstorm123@gmail.com> wrote:
> Hey,
>
> As I need someting to heat my e.coli cells above 30 degrees Celsius to
> make them grow exponentially, I'm building my own heater.
>
> It's made of a very big christmas coffe cup (some 15cm in diameter),
> controlled by an attiny 13 and lm335 (temperature sensor).
>
> It's heated by 6 Ohm resisstances (3 parallel -> 3 of parallels in
> serial)
>
> It's powered 3,7Volts, 900 mA. Resistances heat up to ~ 64 °C. When
> sensor reaches 35°C it will stop heating.
>
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