Why does my heat mat surface measure a different temperature with a temperature gun than is shown on the IMC?

Why does my heat mat surface measure a different temperature with a temperature gun than is shown on the IMC?

Because the temperature sensor is built into the heat mat, the temperature it measures may be different than the actual mat surface temperature. Use the Sensor Correction setting to adjust the IMC reading to match the temperature gun reading. The default setting adjusts the reading to work with Hog Hearth® heat mats. For more information see Parameter 5, sensor correction in the user manual.