Dual Sensors Detect Two Kinds of Fire: The First Alert Hardwired Dual Sensor Smoke Alarm features photoelectric and ionization sensors for increased detection and safety. The photoelectric sensor detects smoldering fires from objects like cigarettes burning on furniture or in trash cans, while the ionization sensor detects fast-flaming fires like erupting kitchen grease fires or combustibles.
10-05-2021· This smoke detector is great if all you’re looking for is a simple, cheap solution. At under $30, it’s affordable for everyone. You get both electrochemical and photochemical sensors for the detection of carbon monoxide and smoke particulates. An easy-access battery drawer means that you can change out the battery without taking the unit down.
05-07-2021· This is a budget-friendly battery-operated smoke and CO detector that is approved by our testers to work reliably during power outages. Its functions are quite basic, including an 85dB siren, indicator lights, a smoke alarm, and a carbon monoxide alarm that will sound if detecting a CO level ranging from 70-700ppm.
Combined Alarms with Multiple Sensors. Combined smoke alarms combine multiple sensor types (heat detection, optical smoke detection and carbon monoxide detection) creating rapid acting and fail-proof multi-sensor smoke detectors to help reduce false alarms whilst giving the earliest warning of a …
01-07-2021· a dual sensor smoke and carbon monoxide detector combine electrochemical sensor and photoelectric technology to detect both CO leak and smoldering fires, offering you the best protection and saving you the hassle of installing two separate detectors. such as this dual sensor smoke and carbon monoxide detector (SR-821THS) from sumring is the ...
The dual sensors on this fire detector provide you and your family with the earliest warning possible. Designed for Fewer False Alarms: Smoke from cooking or even shower steam can sometimes set off a smoke alarm. The photoelectric sensor on the First Alert Dual Sensor Smoke Alarm is sensitive to smoldering fires while reducing false alarms.
Carbon monoxide detectors have 3 different types of sensors that set off different types of alerts. According to Biomimetic sensor: a gel changes color when it absorbs carbon monoxide, and this color change triggers the alarm. Metal oxide semiconductor: When the silica chip’s circuitry detects carbon monoxide, it lowers the electrical resistance, and this change triggers the alarm.
09-03-2019· The advantages of a CO detector are relatively obvious. They detect when the carbon monoxide level of gas that is in the air, therefore alerting individuals there is a problem and to leave or ventilate the room to ensure they do not fall victim to CO poisoning. Smoke detectors, on the other hand, detect levels of smoke in a particular area.
31-05-2021· Combination smoke alarms combine the functionality of dual-sensor smoke alarms with carbon monoxide detectors to detect flame fire, smoldering fires and carbon monoxide. These are convenient, but Consumer Reports says that few of them are effective at monitoring all three and advises that you install smoke detectors and carbon monoxide detectors separately.
02-12-2020· X-Sense Smoke & Carbon Monoxide Detector with Display. The X-Sense is one of the most feature-packed “dumb” smoke detectors we’ve looked at. For starters, it’s priced very reasonably at just $40. For that money, you get a detector with an LCD display that shows Carbon Monoxide levels in ppm, as well as battery life.
02-07-2021· This device features a dual-sensor that will keep you safe from all harm that smoke and carbon monoxide may bring. It’s the perfect RV detector for those looking to save up money. This CO detector uses a photoelectric sensor to detect the smoke and minimize false alarms.
25-06-2020· A complementary, low cost, basic Smoke Detector companion to a Carbon Monoxide Detector/Alarm would be battery operated Fire Alarms/Smoke Detectors with Photoelectric Sensor and Silence Button. Not only are they easily wall- or ceiling-mounted, take one of these with you when you travel – your own personal Portable Smoke Alarm.
X-Sense XP01 Combination Smoke and Carbon Monoxide Alarm with 10-Year Battery. X-Sense 10-Year Battery (Not Hardwired) Combination Smoke and Carbon Monoxide Detector Alarm, Dual Sensor Smoke & CO Alarm, Complies with UL 217 & UL 2034 Standards, Auto-Check. $ Quantity: Get 10% off with coupon: XSENSE10. Default Title. Add to Cart. Buy it now.