Autonomous checker of detectors of temperature for bar. Formed by bascule transparent compress of 27 cm. With internal heater of 600W, connect for bars Only, 2 batteries (ONLY 770) and rapid loader of battery (ONLY 727). Length of 73 cm. With the connected battery. Connect for bar, in his thin end he has an orifice calibrated to lodge the button of fixation of a bar or of an ALONE pipe. It can realize the checking of any detector the LED of alarm being able to be visualized at all time.