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screen printing => Equipment => Topic started by: Horizongfx on November 12, 2013, 02:53:36 PM

Title: Donut Probe & Dryers
Post by: Horizongfx on November 12, 2013, 02:53:36 PM
O.k. I have a question... Why when I place the doughnut Probe on top of the ink film when sending it through the dryer I get a much lower temp reading than when I put it inside the shirt ?
The probe is an Akins AquaTuff 351 Temp Range -100 to 500 F usinf the doughnut probe designed for measuring surface temps.
Dryer is a Brown 3611 with the heat panel on the second  lowest notch up.
Title: Re: Donut Probe & Dryers
Post by: DCSP John on November 12, 2013, 03:18:15 PM
We have the same probe...and we have never been able to get an accurate read.
Our dryer is realllly hot.. and the probe never registers above 280-290... never the target 320 that
we are looking for.. increasing heat in the dryer to reach the target temp only results in scorching
or overglossing of ink. never a good thing. Makes me wonder if the unit is not calibrated properly.
we have resorted to using our Raytek infra temperature pistol..

John
Title: Re: Donut Probe & Dryers
Post by: Gilligan on November 12, 2013, 06:00:58 PM
I know a guy that might be interested in calibrating these guys for you guys.

This is what he does for a living for Baker Hughes (not these particular probes but calibrations of tools like this in general).

I am going to have him look at mine... when I was really questioning it, he was in Venezuela for 90 days so that wasn't high priority! ;)