Inquiry (采购产品): Electronic Supplies Good Morning!! PLS help me!! How to calibrate Multi-Function Thermometer ( TH50Z )?? It show bad temperature. Temperature is lower. Battery is new and sensor is clean! My e-malil: grzechu111@interia.pl Thanks!! **** Hidden Message ***** Grzechu, PP-Grze, +48123654798, Country:Poland **** Hidden Message ***** grzechu111@interia.pl