Is your cool room Door Bell working properly? Make sure that it is so you can be sure your store meets legal requirements and if someone is accidentally locked in the cool room that they can quickly raise the alarm and get out. Includes wall mounting screws for easy installation.
Brass and/or chrome plated to prevent any rusting. Includes 150mm long square keyway.
Tested by the CSIRO with both 75mm and 150mm insulated panel (installed as if on a standard hinge or sliding door) with microphones 3 metres away on 45, 90 and 135-degree angles. All testing results ranged between 96.1 and 100.0 dB
Designed for a door up to 150mm deep.