Trend Therm

[GregS-PA]

How do I get my thermometer calibrated. I have a full lit chimney and 1/2 of unlits going full tilt untill all greyed over and all vents open to do a high heat chicken cook and the therm is only saying 250 at the lid. When I put my candy therm in the holes in the lid ( the trend I mounted) it reads closer to 350. I just purchased this therm from the BBQ store online about 2 months ago. For all I know the thing was never correct to begin with

 

[Jeff Rushe]

without getting too technical (elevation, etc)

you can check to see if your thermometer is properly calibrated by placing it into a pot of boiling water.

Your thermometer should read:

100 degrees Celsius
212 degrees Farenheit

...if properly calibrated, of course.

If it doesn't, then I'm not exactly sure if there's much you can do. Hopefully others with more personal/professional experience will reply -- I'm certainly curious.

 

[Paul K]

Greg,

Check the back for a slotted screw or bolt.
"EXTERNAL RESET: A slotted-hex adjustment head
offers screwdriver or wrench use to field calibrate the
thermometer. This feature allows maximum accuracy at a
selected area of temperature range. O-ring gasket
prevents leakage and maintains weather tight seal. Note -
use well agitated bath and accurate test thermometer
when making any adjustment."
From: http://www.ksecorp.com/products/docs/Trend_bimetal_thermometers.pdf
I'm guessing place the tip into boiling water. You know that's 212. Note how many degrees your thermo is and manually adjust for difference. Hope that helps.

Paul