Top 9 CO Detector Portable – Smoke & Carbon Monoxide Alarms

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1. Kidde


Kidde Nighthawk Plug-In AC/DC Carbon Monoxide Alarm Detector with Digital Display KN-COPP-3

Kidde #ad - Peak level button – displays the peak CO level recorded by the alarm since it was last reset or unplugged. However, these alarms are equipped with 9 volt battery backup – the 9 volt battery is to supply short term back-up during a power outage.

Led operation – blinking dot in lower right corner of display denotes normal operation. Test button functions – Tests the unit for proper operation and resets the carbon monoxide alarm. Humidity range-5%-95% relative humidity RH. Note: this co alarm is not battery operated. Temperature range-40˚f 4. 4˚c to 100˚f 37. 8˚c. Ten years after the initial power up, this alarm will “beep” two times every 30 seconds to indicate that it is time to replace the alarm. Power source: 120vac.
BrandKidde #ad
ManufacturerKidde #ad
Height1.75 Inches
Length6.06 Inches
Weight3 Pounds
Width3.75 Inches
Part Number900-0076
Warranty10 Year Limited

2. Klein Tools


Equipped With Exposure Limit Alarm, 4 x AAA Batteries and Carry Pouch Included, Klein Tools ET110 Carbon Monoxide Meter

Klein Tools #ad - Portable co detector with user protection and short-term exposure limit STEL alarm. Easy-to-use co meter detects and measures concentration levels of carbon monoxide gas. Low level alarm 35 ppm and high level alarm 200 ppm. Audible and visual alarms. Backlit display with co measurements 0 to 1000 ppm and temperature F/C.
BrandKlein Tools #ad
ManufacturerKlein Tools #ad
Height2.16 Inches
Length7.74 Inches
Weight0.32 Pounds
Width1.46 Inches
Part NumberET110

3. Cheffort


0~1000ppmBattery NOT Included, Portable CO Gas Leak Detector, Gas Analyzer, High Precision Detector, Handheld CO Detector,Carbon Monoxide Meter

Cheffort #ad - They may also be used in firefighting. Hgih quality:this co detector has a large led backlight screen that allows users to easily cope with harsh environments such as darkness, making it easy to read and free users from time and place constraints. With a wide measuring range, the ambient temperature can be measured in 2 temperature units °C and °F.

Auto shut off in 10 minutes without any operation. This type of device is widely used in industry and can be found in locations, such as on oil rigs, to monitor manufacture processes and emerging technologies such as photovoltaic. This type of equipment is used to detect a gas leak and interface with a control system so a process can be automatically shut down. The professional detector can continuously monitor the CO gas concentration accurately in the surrounding environment. Adopt of abs engineering plastics with high toughness, wear-resistance and stability, with a low power consumption and high precision.

The concentration of alarm value can be freely set. Handheld size: the co gas meter is compact and lightweight, professional designed to fit comfortable in your palm,easy to carry and operate. Powerful function: sound alarm works when co gas concentration reaches the level of the alarm. Widely applicable: the gas detectors can be used to detect combustible, flammable and toxic gases, and oxygen depletion, etc. Professional tool: the gas detector is a device that detects the presence of CO gases in an area, often as part of a safety system.
BrandCheffort #ad
ManufacturerCheffort #ad
Height1.38 Inches
Length5.31 Inches
Weight0.2 Pounds
Width1.97 Inches



Trucks | Metal Body, Travel, Vehicle, Car, Pilots, Aircraft Carbon Monoxide CO Detector | Fast Low-Level 9ppm Alarm | Vehicles, Police, Small 2oz |, Bus

FORENSICS DETECTORS FD #ad - Suvs, school buses, trucks & fleet vehicles that triggers headaches, aircraft, nausea & driver fatigue. Easy one button operation. Uses: exhaust leaks in vehicles i.

E. Accurate: co low-level alarm at 9ppm & 25ppm alarms whO, OSHA, ASHRAE, EPA, NIOSH CO recommended exposure levels. Small form factor 2oz, 3M stick-on mount. Trust: ** 1 year limited warranty ** arrives factory calibrated ** 100% product test and verification in the USA * Best Japanese CO sensor ** 100% quality guaranteed **. Bright red lED and buzzer alarms. Fast alarms: alarms at >9ppm @ 60 secs, compared to home CO detectors that only alarm >70ppm @ 60-240 minutes. Easy use: continuous 8-12 month operation with same batteries.
Height0.8 Inches
Length2.7 Inches
Weight0.13 Pounds
Width1.9 Inches
Part NumberTW-5IA7-GGTV

5. Kidde


Kidde Carbon Monoxide Alarm Detector | Digital Display | Battery Operated | Model KN-COPP-B-LPM

Kidde #ad - Shows co level in PPM parts per million. Peak level memory displays the highest CO concentration measured since the last reset. Test/reset button - tests unit’s electronic circuitry & horn and resets the unit during alarm.

Tests co alarm circuit operation and allows you to immediately silence the alarm. Battery safeguard makes it difficult to close the cover without batteries in the unit. Battery operated - provides best protection during power outages. Provides peace of mind against the silent killer and a digital display. Updates digital reading every 15 seconds allowing you to see if levels change.

Low battery signal alerts user when the batteries need to be replaced. Temperature range 40˚F 4. Digital display - displays the level of carbon monoxide the unit is sensing. Sensor: Electrochemical. 4˚c to 100˚f 37. Led's - green led for normal operation, red led for alarm. 8˚c. Slide-out battery Door Cover gives immediate access to batteries.
BrandKidde #ad
ManufacturerKidde #ad
Height2.75 Inches
Length4.5 Inches
Weight0.01 Pounds
Width1.5 Inches
Part Number21008873
Warranty10 Year Limited

6. Sensorcon


Sensorcon Inspector CO Carbon Monoxide Monitor with Visual and Audible Alerts, Waterproof

Sensorcon #ad - Sounds low level alert at 35 ppm and high level alert at 200 ppm. Watch the short video for more information. Serviceable for long term ownership including calibration and replaceable battery. Visual alert, audible alert, real-time carbon monoxide display from 1 to 1, 999 ppm. Waterproof to IP67 standards and one year manufacturer warranty. Designed for industrial and commercial applications.
BrandSensorcon #ad
ManufacturerSensorcon #ad
Height0.9 Inches
Length3.2 Inches
Weight0.25 Pounds
Width2.2 Inches
Part NumberINS-CO-01



First Alert Carbon Monoxide Detector with 10-Year Battery and Digital Temperature Display, CO710

FIRST ALERT #ad - Easy-to-read backlit digital display shows temperature and CO concentration; Peak Level feature displays the highest concentration of carbon monoxide measured. Keep your family safe with this easy to use digital-display, 10-Year battery operated carbon monoxide alarm; Battery powered alarms provide continuous monitoring of CO levels, even if there's a power failure.

Built-in 10-year lithium battery offers continuous protection for the life of the carbon monoxide detector. All first alert cO alarms are rigorously tested to meet UL standards. A loud 85-decibel alarm sounds when CO levels reach dangerous levels.

10-year limited warranty; equipped with end-of-life signal chirp, so you know when it’s time to replace the unit for safety. First alert has been the most trusted brand in home safety since launching the first residential smoke alarm in 1958 Based on a First Alert Brand Trust Survey in February 2018.
ManufacturerFirst Alert / BRK Brands, Inc. #ad
Height2.63 Inches
Length0.94 Inches
Weight0.5 Pounds
Width4.75 Inches
Part NumberCO710

8. Kidde


Kidde 21007267 Nighthawk Carbon Monoxide Alarm, Battery Operated with Digital Display | Model KN-Copp-B-LS

Kidde #ad - Battery operated 3 AAs included to provide protection during power outages. Peak level memory displays the highest CO concentration measured since the last reset. Battery lockout system deters covering battery compartment without installation of batteries. Backlit display to help see the CO level reading in the dark. Digital display shows co level in PPM parts per million and updates digital reading every 15 seconds.
BrandKidde #ad
ManufacturerKidde #ad
Height11 Inches
Length2 Inches
Weight2 Pounds
Width8 Inches
Part Number21007267
WarrantySeven Year Limited Warranty



Carbon Monoxide Alarm Detector,with Digital LCD Display and Voice Warning, Battery powered

ALERT PRO #ad - Superior alarm performance: proven performance for sensitively detecting dangerous Carbon Monoxide CO leaks; powerful 85 dB alarm tone will sound through your home and instantly alert those in danger. If you dont like it will take it back no quations ask. 100% customer satisfaction guaranteed. Unit comes With with Batteries. 5 year manufacturer warranty.
BrandALERT PRO #ad
ManufacturerALERT PRO #ad
Part NumberAP-6987