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4.87 / 5.0
(15) 15 total reviews
FABISENSE 21D Portable Carbon Monoxide Detector with Temperature & Humidity, Rechargeable CO Monitor
FABISENSE 21D Portable Carbon Monoxide Detector with Temperature & Humidity, Rechargeable CO Monitor
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Product Description
Portable Carbon Monoxide Monitoring Wherever You Go
The FABISENSE PTH-21D Portable Carbon Monoxide Detector provides real-time CO monitoring together with temperature and humidity readings in one compact device.
Designed for home, RV, camping, travel, cabin and other everyday environments, its portable size, rechargeable battery and magnetic mounting design make it easy to keep important air-condition information within view.
Real-Time Carbon Monoxide Detection
Continuously monitor carbon monoxide levels from 0–1000 ppm.
The clear digital display makes it easy to check the current CO concentration at a glance, helping you stay aware of changing indoor or outdoor conditions.
CO Range: 0–1000 ppm
CO Accuracy: ±5 ppm or ±10%, whichever is greater
Temperature & Humidity Monitoring
More than a CO detector, the PTH-21D also displays temperature and relative humidity, allowing you to monitor your surrounding environment from one screen.
Temperature: -10°C–50°C / 14°F–122°F
Humidity: 0%–95% RH
Audible Alarm for Added Awareness
When the monitored CO level reaches the preset alarm threshold, the built-in buzzer provides an audible alert.
The easy-to-read screen and visual status indicators make changing conditions easier to notice.
Compact & Portable Design
With a compact body of approximately 73 × 73 × 25 mm, the PTH-21D is easy to carry between different locations.
Ideal for:
Camping · RV · Cabin · Home · Bedroom · Garage · Travel
Magnetic Mounting
The built-in magnetic adsorption design allows the detector to attach conveniently to compatible metal surfaces, giving you more placement options without complicated installation.
Rechargeable 1000mAh Battery
Powered by a built-in 1000mAh rechargeable lithium battery, the monitor can be recharged through USB Type-C for convenient everyday use.
Battery: 1000mAh Li-Po
Charging: USB Type-C, DC 5V
Key Features
- Carbon Monoxide Monitoring
- 0–1000 ppm CO Detection Range
- Temperature Monitoring
- Humidity Monitoring
- Audible Buzzer Alert
- Clear Digital Display
- Magnetic Mounting Design
- 1000mAh Rechargeable Battery
- USB Type-C Charging
- Compact Portable Design
Specifications
| Specification | PTH-21D |
|---|---|
| Detection | Carbon Monoxide |
| CO Range | 0–1000 ppm |
| CO Accuracy | ±5 ppm or ±10%, whichever is greater |
| Temperature Range | -10°C–50°C / 14°F–122°F |
| Temperature Accuracy | ±1.5°C / ±2.7°F |
| Humidity Range | 0%–95% RH |
| Humidity Accuracy | ±5% RH |
| Alarm | Audible Buzzer |
| Battery | 1000mAh Li-Po |
| Charging | USB Type-C, DC 5V |
| Product Size | 73 × 73 × 25 mm |
- 5 stars: 13 (87%)
- 4 stars: 2 (13%)
- 3 stars: 0 (0%)
- 2 stars: 0 (0%)
- 1 star: 0 (0%)
The readings are easy to see and the Type-C charging is convenient. The alarm could be a little easier to customize, but the core functions work well for everyday monitoring.
The size and magnetic mounting are very convenient. I would like a slightly longer battery life between charges, but overall it has been reliable and easy to use.
It is convenient to see CO concentration along with temperature and humidity on one device. The monitor feels well suited for home and travel use.
There was very little learning curve. The screen is simple, the main readings are easy to find and the portable design makes it useful in different locations.
We use this at our cabin where I wanted something portable rather than permanently installed. It is easy to charge and move between rooms when needed.
I use it in the garage when working around equipment. The CO display is the main reason I bought it, and the temperature and humidity readings are useful too.
The display is bright enough to read quickly and the information is laid out clearly. I also like that the alarm is built into such a compact device.
I wanted a CO monitor that did not depend on disposable batteries. The built-in rechargeable battery and Type-C charging work well for my needs.
The unit is lightweight and does not take up much room in a bag. I bought it mainly for travel and cabins and it has been easy to carry around.
CO, temperature and humidity are all shown on one screen. Setup was straightforward and there are not a lot of unnecessary menus to work through.
This is compact enough to pack with our camping gear. The rechargeable battery and USB-C charging make it much more convenient than carrying spare batteries.
I like having an actual CO number on the screen instead of only an alarm light. The screen is easy to read and updates are simple to understand.
The magnetic back is very handy. I can attach the monitor to a metal surface instead of leaving it on a table, which keeps it visible without taking up space.
I keep this in our RV because it is small, rechargeable and easy to move around. The CO reading is easy to see and the temperature and humidity readings are a nice extra.
The display is clear and shows CO, temperature and humidity together. It is simple to check at a glance and the compact size is convenient for everyday use.