The Cooking Oil Tester is a fast, safe and efficient instrument for testing the quality of edible oil, with short testing time and fast response time. No chemical reagents are used in the measurement process to ensure maximum food and environmental safety. This product detects the total polar material(TPM)in cooking oil to reflect the degree of aging of cooking oil. This product can be directly measured in high temperature oil(not more than 200℃), suitable for all kinds of frying grease quality rapid inspection.