The sensor will also beep when the back cover is removed. You can test the sensor by pressing the button – the squeak is loud and cutting ear, it will not go unnoticed. Thus, the moment of removal of the sensor is determined. To prevent the battery from being discharged, a 3 V CR123A battery is used here – when sending, its contact is isolated with a safety insert, which must be removed before use.Īnd this is a tamper, a contact that is pressed by a special lever on the back cover of the device. To remove the back cover, turn it slightly counterclockwise. It uses a photoelectric sensor that reacts to visible smoke particles. On the rear, removable cover, the technical parameters of the device are duplicated, and the date of manufacture is indicated – the sensor was manufactured less than a month before I ordered it.Ī special perforationns along the entire circumference of the end part, through which smoke can enter. On the front there is a single button made of translucent material, under it there is an LED indicator. The sensor has a round shape and is made of white plastic. In this case, only the rear cover of the sensor is tightly fastened, the device itself can be removed. It can be fixed with two self-tapping screws or with double-sided tape. It is indicated that to switch to pairing mode, you need to hold down the button for 5 seconds. The insctions describe how to disassemble the sensor, how to mount it on the wall. In addition to the sensor, the package includes a package with fasteners and a small insction in English. The box is quite flimsy, but the seller did a good job at packing, so everything came safe and sound. The sensor arrived in a featureless white box with no identification marks, except for the device parameters on the sticker and on the back of the box.
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