The testo 514 is an easy-to-use and reliable refrigerant leak detector designed for the detection of representative refrigerants and tested in accordance with DIN EN 14624 for AC/R systems. With a high sensitivity of 3 g/a, it detects even the smallest leaks and complies with the requirements of the EU F-Gas Regulation. The device is ready for use immediately after switching on, without having to select a refrigerant characteristic. Thanks to the replaceable refrigerant sensor, downtime is virtually eliminated.