Thermometer Calibration (Re-Calibration) Instructions

Just thought I would post here the Calibration or Re-calibration instructions for the Tel-Tru thermometer.  In short you want to boil the thermometer, then use the adjustment nut on the back to dial the needle in at 212F.

 

Author: Shane Lewis

Shane is the founder of the green coffee exporter Old Spanish Main, Ltda. in Bogotá, Colombia, having practiced under the renowned grader & cupper Lelly Espitia. He is a cultivator of a #14 Colombian Cup of Excellence coffee. Shane currently designs & manufactures coffee, cacao & grain roasters with RK Drums.