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The 561 HVACPro is a multipurpose thermometer that combines both infrared and contact temperature measurement functions in a single tool. In infrared mode, HVAC professionals can instantly scan hot, moving, electrically energized, and hard-to-reach objects safely and conveniently without shutting down equipment. Contact and ambient temperature measurements can be taken by connecting the included pipe probe or any industry-standard K-type mini-connector thermocouple. The temperature range is -40° to 1,022°F (-40° to 550°C). The thermometer has single-point laser sighting in the infrared mode, which guides users to the approximate center of the target area for more accurate measurements. It features MIN, MAX, and DIF functions designed for quick and efficient diagnosis and an adjustable emissivity selector with three settings.