Item Type: Halogen Gas Detector <br>Response Range: Approximately 50PPM~1000PPM. <br>Sensitivity: > 50PPM <br>Preheating Time: About 35s. <br>Response Time: ≤ 500PPM, approximately 5s. > 500PPM, approximately 2 seconds. <br>Alarm Method: Sound and indicator light. <br>Battery: 2 x 1200mAh AAA alkaline dry battery, shipped with matching battery.<br>1、Flexible Operation: Powered by 2pcs AAA battery, the probe of this halogen gas detector supports flexible bending to work in narrow pipeline. <br>2、Better Application: The refrigerant gas detector can test the leakage position on air conditioning pipe, ideal for home and industrial use. <br>3、With High Accuracy: Comes with semiconductor sensor, the freon leak detector with simple test circuit ensures quick response and high accuracy. <br>4、Sound Light Alarms: The sound alarm and indicator light will largely facilitate the real time warning, thus simplifying repair and maintenance. <br>5、Convenient Carrying: Light in weight and compact in size as well, the halogen gas tester is very convenient to carry with your for working.1 x <br> <br>Halogen Gas Detector<p>2 x Battery</p>