On 18 December 2012 14:36, Crispin Pemberton-Pigott <[email protected] > wrote:
> Dear Damien**** > > ** ** > > The limit on the infrared thermometers is the number of digits in the > display, not the ability to ‘see’ the hot surface.**** > > ** ** > > If there are only 3 digits it can’t display values over >1000.**** > > > > > Sorry Crispin, that's not true. The spectrum of the emiission changes, and the sensor materials used for low temperature IRs can't cope. I use precision IR thermometers for operation at between 500 and 2000C, they have no sensitivity below 500C.
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