ReviewsPortable Co Detector

Klein Tools ET110 CO Meter, Carbon Monoxide Tester and Detector with Exposure Limit Alarm, 4 x AAA Batteries and Carry Pouch Included

Easy-to-use CO meter detects and measures concentration levels of carbon monoxide gas.
Portable CO detector with user protection and short-term exposure limit (STEL) alarm.
Low level alarm (35 ppm) and high level alarm (200 ppm).
Backlit display with CO measurements (0 to 1000 ppm) and temperature (Farenheit and Celcius).

✅✅【Accurate Reading】INKBIRD carbon dioxide monitor can accurately detect the current CO2 concentration, temperature, and humidity in the air. This CO2 detector uses the NDIR CO2 sensor..
【APP Real-Time Monitoring】After the mobile phone is connected to the 2.4GHz WiFi network, connect our CO2 detector in the INKBIRD APP, and you can receive and view the detection data at any time. And the app can output data to your email, you can also set the alarm value reminder function through the app..
【Convenient Calibration】 To ensure the accuracy of measurement, this WiFi CO2 monitor supports the calibration function. Press three buttons at the same time in an open environment and let it stand for 200 seconds to calibrate this CO2 meter easily..
⏰⏰【CO2 Concentration Stage & Sound Alarm】This WiFi Indoor CO2 detector is designed with 3 stages of CO2 concentration - normal mode (400-700 ppm), warning mode (700-1500 ppm), and danger mode (1500-5000 ppm)..
【Wide Application】This indoor CO2 meter is ideal for use in grow rooms, offices, kitchens, schools, kitchens, ....

PORTABLE/FREE-STANDING: Unlike most carbon monoxide detectors, this detector can be mounted to a wall or placed free-standing on a desk.
2 AAA BATTERIES INCLUDED: No last-minute trips to the DIY store. All our carbon monoxide detectors comes with 2 long-life batteries.
SAFETY FEATURES: With a built-in test button & low-battery warning, sleep soundly knowing your CO detector is operating at its best.
ELECTROCHEMICAL SENSOR: The DAB-TEK Carbon Monoxide Detector uses built-in electrochemical technology to detect high and low levels of carbon monoxide.
EASY INSTALLATION: Simply use the 2 screws (included), mount the detector and you're all set!.

Refigerant leak detector and portable monitor.
Cloud hunter and pinpoint modes is like having two leak detectors in one.
Detects all CFCs, HCFCs, HFCs, HFOs and CO2 (Requires CO2 sensor, sold separately).

Smoke detector and carbon monoxide detector that speaks up in a friendly voice to give you an early warning when there's smoke or CO in your home.
Split Spectrum Sensor looks for both fast burning and smoldering, and tells you where the danger is.
Get phone alerts so you know something's wrong even when you're away from home[1].
CO detector looks out for carbon monoxide and tells you where it's located.
With App Silence you can silence the smoke alarm with your phone in the Nest app when there's only a little smoke.

CO detector alerts with a loud 85dB warning signal indicating dangerous levels of carbon monoxide in your home.
Plug-in that still works during a power failure - 2-AA batteries (included) provide backup for your CO alarm in the event of a power outage.
Easy & quick installation - plugs into any standard AC wall outlet.
Purchase multiple alarms for whole-home detection - place 1 carbon monoxide detector on each level of your home & outside each sleeping area to help protect against poisonous CO gas.

CO detector alerts with a loud 85dB warning signal indicating dangerous levels of carbon monoxide in your home.
Plug-in that still works during a power failure - 2-AA batteries (included) provide backup for your CO alarm in the event of a power outage.
Easy & quick installation - plugs into any standard AC wall outlet.
Purchase multiple alarms for whole-home detection - place 1 carbon monoxide detector on each level of your home & outside each sleeping area to help protect against poisonous CO gas.

CO detector alerts with a loud 85dB warning signal indicating dangerous levels of carbon monoxide in your home.
Plug-in that still works during a power failure - 2-AA batteries (included) provide backup for your CO alarm in the event of a power outage.
Easy & quick installation - plugs into any standard AC wall outlet.
Purchase multiple alarms for whole-home detection - place 1 carbon monoxide detector on each level of your home & outside each sleeping area to help protect against poisonous CO gas.

CO detector alerts with a loud 85dB warning signal indicating dangerous levels of carbon monoxide in your home.
Plug-in that still works during a power failure - 2-AA batteries (included) provide backup for your CO alarm in the event of a power outage.
Easy & quick installation - plugs into any standard AC wall outlet.
Purchase multiple alarms for whole-home detection - place 1 carbon monoxide detector on each level of your home & outside each sleeping area to help protect against poisonous CO gas.

...tor comes FACTORY CALIBRATED. It has super high sensitivity, excellent repeatability, accurate measurement, and quicker response time(.
THREE ALARM METHONDS - HZXVOGEN 4 in 1 gas detector(EX, CO, H2S, O2) is READY TO USE - quickly start to work once you turning on it. This portable voice type alarm gas clip has adjustable audio, visual, and vibration alarms alert when preset levels are reached. It can accurately measure the gas concentration with easy-to-read number shown on the lcd display.
EASY CARRYING AROUND & WIDE APPLICATION – HZXVOGEN gas detector came with a super nice padded case. It has compact size and unique clip design which make it be convenient for user to carry around. This gas detector can be widely used in home, petroleum, metallurgy, agriculture, chemical industry, refining, fire prevention, effectively predicting, etc. as to ensure the safety of you. With this detector your family, friends or workmates are assured safety, if living or working in a polluted area.
HIGH QUALITY, LOWER ERROR - HZXVOGEN gas detector is made of high strength ABS and Anti-slip grip rubber. Waterproof, dust-proof and explo....

Fire & CO Detector in 1 unit with alert modes, LED light, test-silence button, & Replacement Alert: a chirp that notifies when the unit needs to be replaced.
Electrochemical sensing technology - CO alarm detects the presence of carbon monoxide gas, 85 decibel alarm.
Protects during a power failure - CO detector operates on a 10-Year, sealed lithium battery.
Easy installation & no battery fuss - CO alarm will automatically activate when attached to the mounting bracket.