This detector has now been retired from service since it’s a fair bit out of date. So here’s the teardown! Unlike older detectors, this unit has a built in battery that never needs replacing during the life of the sensor, so once the unit reaches it’s expiry date it’s just
Continue readingFire Angel CO-9D Carbon Monoxide Detector Teardown
Old type ionization smoke alarm. Top of the device with the test button & sounder. Bottom of the device. Battery compartment in centre. Internals of the smoke alarm. Main component visible is the Ionization chamber. Piezo sounder on inside of the top. Inside the Ionization Chamber. 1µCi Americium-241 alpha particle
Cheap unbranded window break alarm. Here is the front of the unit, with the sounder at the top, Power/sensitivity switch at the right. Battery test button at the left. Rear of the device, with the adhesive pad used to attach it to a window. Front cover removed, showing the batteries,