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DescriçãoThe OS543 is an ideal tool for production and general maintenance use. It has a wide temperature range of -30°C to 550°C (-22 to 1022°F). It is portable, easy-to-use, compact and features laser sighting designed for simple one-hand operation. Its field of view is 10:1 and features a laser dot for accurate aiming and measuring. The thermometer has a backlit LCD display. The OS543 has auto power-off (approximately 10 seconds) after releasing the trigger, which extends battery life. The reading can easily be toggled between °C and °F via one slide switch. This thermometer has a very fast response time of 0.25 seconds.