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FABISENSE 21E Portable Carbon Monoxide & CO2 Detector with Temperature Humidity, Rechargeable Gas Monitor for RV Camping Travel Home
Brand: FABISENSE
Specifications
SKU: FABISENSE 21E Portable Carbon Monoxide & CO2 Detector with Temperature Humidity, Rechargeable Gas Monitor for RV Camping Travel Home
Two Gases. One Compact Monitor.
Stay informed about more than just one part of your environment.
The FABISENSE PTH-21E combines carbon monoxide (CO), carbon dioxide (CO₂), temperature, and humidity monitoring in one compact portable device.
With a clear digital display, audible alert, rechargeable battery, and magnetic mounting design, it's built for use at home and on the road.
CO + CO₂ + Temperature + Humidity
4-in-1 Environmental Monitoring
Monitor four important environmental readings from one device.
Carbon Monoxide
Measures CO concentrations from:
0–1000 ppm
Useful for monitoring environments where fuel-burning appliances, heaters, generators, fireplaces, vehicles, or camping equipment may be present.
Carbon Dioxide
Measures CO₂ concentrations from:
400–5000 ppm
See changing carbon dioxide levels and better understand ventilation conditions in enclosed spaces.
Temperature
Monitoring range:
14°F–122°F / -10°C–50°C
Humidity
Monitoring range:
0–95% RH
Everything is presented on one easy-to-read screen.
CO & CO₂ on One Screen
Unlike single-gas monitors, PTH-21E allows you to view both CO and CO₂ readings from the same compact device.
The large digital display makes important information easy to check at a glance.
CO Monitoring
CO₂ Monitoring
Temperature
Humidity
No need to carry multiple separate monitors.
Know the Difference: CO vs CO₂
Carbon monoxide and carbon dioxide are two different gases and should not be confused.
CO — Carbon Monoxide
Can be produced by incomplete combustion from fuel-burning equipment, heaters, generators, fireplaces, vehicles, and similar sources.
CO₂ — Carbon Dioxide
Naturally builds up from breathing and combustion and can rise in poorly ventilated enclosed spaces.
PTH-21E monitors both gases at the same time, giving you a broader picture of your surroundings.
Clear Color Digital Display
The round high-contrast screen keeps your most important readings visible.
The display shows:
CO concentration
CO₂ concentration
Temperature
Humidity
Battery status
Environmental status indicators
Color indicators make changing conditions easier to recognize without relying only on numbers.
Built-In Audible Alert
PTH-21E includes a built-in buzzer to provide an audible alert when monitored conditions reach the device's alarm criteria.
This means you don't have to constantly watch the screen.
Visual information + Audible notification
for easier everyday monitoring.
Designed for RV & Camping
Portable environmental monitoring becomes especially useful when you're away from home.
PTH-21E is compact enough to travel with you and can be used in environments such as:
RV & Camper
Monitor CO and CO₂ inside enclosed vehicle living spaces.
Camping
Keep important gas and environmental readings nearby during outdoor trips.
Cabin
Monitor changing conditions inside smaller enclosed spaces.
Travel
Compact enough to pack with your everyday gear.
Magnetic Mounting for Flexible Placement
The built-in magnetic adsorption design gives you more flexibility when positioning the monitor.
Attach it to a suitable metal surface when convenient, or simply place it on a nearby surface where the screen remains easy to see.
No complicated installation is required.
Rechargeable 1000mAh Battery
PTH-21E features a built-in:
1000mAh Li-Po Battery
Recharge the monitor using:
USB Type-C
No disposable battery replacement is required for everyday use.
Charge it, take it with you, and use it wherever monitoring is needed.
Compact 73 × 73 × 25 mm Design
Despite monitoring four environmental readings, PTH-21E maintains a compact body.
Size: 73 × 73 × 25 mm
Its small footprint makes it easy to:
Carry in your bag
Use inside an RV
Place beside your bed
Keep inside a cabin
Take camping
Move between rooms
More information without carrying a bulky device.
One Monitor. More Places to Use It.
Home
Keep CO, CO₂, temperature, and humidity information visible in everyday living spaces.
RV & Camper
Monitor two important gases while traveling and staying in enclosed vehicle spaces.
Cabin
Add convenient environmental monitoring when staying away from home.
Camping
Bring a compact gas monitor along with your outdoor equipment.
Garage
Keep environmental readings available around spaces where vehicles or equipment may be used.
PTH-21E Technical Specifications
Carbon Monoxide (CO)
Range: 0–1000 ppm
Accuracy:
±5 ppm or ±10%, whichever is greater
Carbon Dioxide (CO₂)
Range: 400–5000 ppm
Accuracy:
±(50 ppm + 5% of reading)
Temperature
Range: -10°C–50°C / 14°F–122°F
Accuracy: ±1.5°C / ±2.7°F
Humidity
Range: 0–95% RH
Accuracy: ±5% RH
Alarm: Built-in Buzzer Alert
Battery: 1000mAh Li-Po Battery
Charging: USB Type-C
Product Size: 73 × 73 × 25 mm
Mounting: Magnetic Adsorption
FABISENSE PTH-21E
More Than a CO Monitor.
Monitor:
CO
CO₂
Temperature
Humidity
all from one compact device.
For Home. For Travel. For Life on the Road.
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