The non-contact Extech 42530 infrared thermometer is equipped with a large backlit LCD for taking measurements at night or in areas with low background light levels. With an emissivity of 0.95, the Extech 42530 infrared thermometer covers 90% of surface applications.","The handheld Extech 42530 infrared thermometer has an 8:1 distance to target ratio and a temperature range of -58 to 1000°F (-50 to 538°C). Non-contact (infrared) temperature measurements is available at the touch of a button. The Extech 42530 infrared thermometer's built-in laser pointer increases target accuracy while the handy pushbuttons combine for convenient, ergonomic operation.","Handheld Extech 42530 infrared thermometers have many applications. Use your Extech 42530 infrared thermometer to measure surface temperature of objects which are difficult to reach or unsafe to contact and to measure hot spots in electrical panels and equipment. You can also use your Extech 42530 infrared thermometer for in-process temperature measurements.