Testo-0563-2750-270-Digital-Thermometer-Cooking-Oil-Tester-Testo-0563-2750-P-The-testo-270-0563-2750-is-a-Digital-Thermometer-Cooking-Oil-Tester-which-will-easily-quickly-&-reliably-determine-the-quality-of-cooking-oil-To-do-so-it-measures-the-so-called-Total-Polar-Material-TPM-content-in-the-oil-&-gives-it-as-a-percentage-If-the-oil-is-aged-it-shows-an-increased-TPM-value-As-a-result-qualitatively-inferior-deep-fried-goods-are-produced-In-addition-to-this-it-can-contain