The tool for measurement of quality of oil and fats. The tester can be washed in the dishwasher. The sensor is built in metal and protected from damages. The special layer does a tester easy in cleaning and safe to damages. Warning signal. Automatic recognition of the end of measurement. Measurement range: 0,5 to 40%TPM, +40 to +200 °C. Accuracy: ±2,0%TPM (+40 to +190 °C) of ±1,5 °C. Resolution: 0,5%TPM, 0,5 °C/°F. Display: LCD, 2-lower case. Warning signal: (it can be switched off) 3-colored LED (green, yellow, red), 2 extreme values are established. TPM response time <30 sec. Class of protection IP65.