Walter Shillington writes about products he knows firsthand. His articles focus on healthcare, electronics, watches, and household items.
I wanted to replace my smoke alarms with a set that could detect smoke and carbon monoxide. As I checked through the offerings on Amazon, I noticed that these devices had undergone a myriad of improvements since I purchased my last set.
One innovation I liked was the ability to build a system of wirelessly interconnected devices. If, for example, a unit downstairs detected smoke, the detectors installed upstairs would also go into alarm.
Today I am examining the X-Sense XP01-W system, which, in my case, consists of three units installed downstairs and one mounted in the upstairs hallway.
Each XP01-W weighs 7.7 ounces, is circular in shape, and white in color. These devices are 1.6 inches thick with a diameter of 5.35 inches.
They boast a large centrally mounted test button. Colored lights, hiding shyly beneath the X-SENSE button label, indicate health, pairing, tests, and alarms. The audio alarm is rated at 85db.
These devices are wirelessly interconnected. If one unit detects smoke or carbon monoxide, every member of the interconnected group issues an alarm.
The XP01-W’s are equipped with internal batteries that, according to the manufacturer, enjoy a 10-year lifespan.
Each unit includes a bracket, three screws, three anchors, and a sticker indicating the dangers of carbon monoxide. A user guide is also provided.
- Brand: X-Sense
- Name: Interconnected smoke and carbon monoxide detector
- Model: XP01-W
- Weight: 217 grams (7.67 ounces)
- Diameter: 136 millimeters (5.35 inches)
- Thickness: 41 millimeters (1.61 inches)
- Color: White with light gray accents
- Connectivity: Wireless (up to 24 units)
- Installation method: A mounting bracket with 3 screw holes
- Power: Sealed lithium battery
- Battery life: 10 years
- Smoke sensor: Photoelectric
- Carbon monoxide sensor: Electrochemical
- Operating temperature: 4.4 – 37.8 Celsius (40 – 100 Fahrenheit)
- Operating humidity: 10% - 85% RH (non-condensing)
- Alarm: 85db at 3 meters (10 feet) @ 3.2 KHZ pulsing alarm
- Silence duration: 9 minutes
- Operating frequency: 915 MHz
- Transmission range: 250 meters (820 feet) in open air
My first step was to grab two of the XP01-W detectors and activate them by temporarily inserting their brackets. The devices flashed colorfully for a few seconds.
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I then tapped the first device’s button four times. A red flashing light indicated that the unit was in pairing mode. Once I pressed the second device’s button twice, the two units paired.
To ensure that the pairing was successful, I pressed and held one of the buttons. The device entered test mode, flashing red with a repeated short audio alarm. The second XP01-W also flashed red and sounded its audio alarm.
Additional units were set up similarly, putting a previously paired XP01-W in pairing mode and adding the new device to the system.
I used the bracket as a template, holding it against the ceiling and drilling three small holes. Then I enlarged each hole sufficiently to press in the three plastic anchors. Once the anchors were in place, I used the provided screws to attach the bracket.
Then I held the XP01-W detector against its bracket, twisting clockwise until it was fully locked in position.
These devices should be mounted as close to the center of the room as possible. To prevent false alarms due to my deplorable cooking techniques, I did not install an XP01-W in the kitchen. Also, as this device was not designed to operate in freezing conditions, I did not mount one in my garage.
Once my XP01-W detectors were installed, I held down the button of one of them, entering test mode. Within a few seconds, the other connected units also entered test mode.
The Smoke Test
I stood on a stool and blew cigarette smoke directly into the XP01-W mounted to the dining room ceiling. After my second puff, the alarm activated. It flashed three times while emitting three long beeps. This cycle would continue every 1.5 seconds until the alarm was silenced.
If the alarm had been initiated due to carbon monoxide, it would have flashed in cycles of four red flashes and four quick beeps repeated every 5.8 seconds.
As I watched, the remaining smoke detectors downstairs also went into alarm. When I climbed the steps, I was greeted by the noisy beeping of the hallway detector.
I pressed the hallway XP01-W’s button, silencing the upstairs alarm and two of the downstairs detectors. However, the device that initially detected the alarm condition must be silenced independently.
This was the dining room detector. I climbed onto the stool and suppressed the device’s audio alarm by pressing its button. It would remain silent for nine minutes. Then, if the device still detected smoke, it would go into alarm again.
Setup is simple, and installation requires only a stepladder, a screwdriver, and a drill. Interconnectivity ensures that if smoke or carbon monoxide is detected downstairs in the middle of the night, the unit installed near my upstairs bedroom will quickly rouse me from sleep.
The control buttons of these devices are large and can be easily pushed by the butt of a broom or mop handle. This allows me to conduct a test or silence an alarm quickly. I especially appreciate the ten-year battery lifespan.
If you are searching for a versatile interconnected system of smoke and carbon monoxide detectors, you should take a close look at the X-Sense XP01-W.
This content is accurate and true to the best of the author’s knowledge and is not meant to substitute for formal and individualized advice from a qualified professional.
© 2022 Walter Shillington