8. Temperature Measurement (UT890C °C/°F Measurement, Picture 8) 1) Tum the range switch to the temperature measurement position; 2) Insert the plug of the K-types thermonuclear Into the meter, and fix the temperature sensing end of the probe on the object to be tasted; read the temperature value on the display after iris steady. Note: “OL” symbol appears when the meter Is muted on. Only K-type thermonuclear/ temperature sensor Is applicable (The measured temperatures should be less than 250 *C/482 °F).