Electrochemical Sensor(55)
Uses item details. Price when purchased online
Veevvio Handheld 3-in-1 Carbon Monoxide Detector, Temperature & Humidity Monitor Portable Electrochemical Sensor Alarm for Home, Travel, Car, Apartment Air Quality Tester $26.99 Was $39.99
Now$2699
current price Now $26.99, Was $39.99$39.99
Veevvio Handheld 3-in-1 Carbon Monoxide Detector, Temperature & Humidity Monitor Portable Electrochemical Sensor Alarm for Home, Travel, Car, Apartment Air Quality Tester
95 out of 5 Stars. 9 reviews
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Veevvio Handheld 3-in-1 Carbon Monoxide Detector, Temperature & Humidity Monitor Portable Electrochemical CO Sensor Alarm for Home, Travel, Car, Apartment Air Quality Tester $26.99 Was $29.99
Now$2699
current price Now $26.99, Was $29.99$29.99
Veevvio Handheld 3-in-1 Carbon Monoxide Detector, Temperature & Humidity Monitor Portable Electrochemical CO Sensor Alarm for Home, Travel, Car, Apartment Air Quality Tester
75 out of 5 Stars. 7 reviews
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shulin-3-in-1 Portable Handheld CO Detector with Temperature and Humidity Monitor, White, Battery, Electrochemical Sensor Carbon Monoxide Alarm3 $25.99
$2599
current price $25.99shulin-3-in-1 Portable Handheld CO Detector with Temperature and Humidity Monitor, White, Battery, Electrochemical Sensor Carbon Monoxide Alarm3
SITERWELL Portable Plug in Carbon Monoxide (CO)Detector 10 Year Battery,Electrochemical,Sound Warning, AC Powered for Home Office Travel,2 pack From $39.99
4 options
Available in additional 4 optionsFrom$3999
SITERWELL Portable Plug in Carbon Monoxide (CO)Detector 10 Year Battery,Electrochemical,Sound Warning, AC Powered for Home Office Travel,2 pack
494.5 out of 5 Stars. 49 reviews
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Clearance YJYGSQ, 3-in-1 Portable Handheld CO Detector with Temperature and Humidity Monitor, White, Battery, Electrochemical Sensor Carbon Monoxide Alarm $14.97 Was $21.97
Now$1497
current price Now $14.97, Was $21.97$21.97
YJYGSQ, 3-in-1 Portable Handheld CO Detector with Temperature and Humidity Monitor, White, Battery, Electrochemical Sensor Carbon Monoxide Alarm
First Alert Plug-In w/Battery Back-up Electrochemical Carbon Monoxide Detector $74.97
$7497
current price $74.97First Alert Plug-In w/Battery Back-up Electrochemical Carbon Monoxide Detector
194.7 out of 5 Stars. 19 reviews
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First Alert CO5120BN White Digital Display Hardwired Battery, Electrochemical Carbon Monoxide Alarm $40.95
$4095
current price $40.95First Alert CO5120BN White Digital Display Hardwired Battery, Electrochemical Carbon Monoxide Alarm
54.8 out of 5 Stars. 5 reviews
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First Alert CO250B, White, 9-Volt Battery, Electrochemical Carbon Monoxide Alarm
First Alert CO250B, White, 9-Volt Battery, Electrochemical Carbon Monoxide Alarm
194.7 out of 5 Stars. 19 reviews
First Alert BRK SC9120B 85-Decibel Ionization Hardwired Smoke and Electrochemical Carbon Monoxide Detector with Battery Backup $82.99
$8299
current price $82.99First Alert BRK SC9120B 85-Decibel Ionization Hardwired Smoke and Electrochemical Carbon Monoxide Detector with Battery Backup
3434.6 out of 5 Stars. 343 reviews
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3-in-1 Portable Handheld CO Detector with Temperature and Humidity Monitor, White, Whitout Battery, Electrochemical Sensor Carbon Monoxide Alarm
3-in-1 Portable Handheld CO Detector with Temperature and Humidity Monitor, White, Whitout Battery, Electrochemical Sensor Carbon Monoxide Alarm
O2 Sensors For 4OXV AAY80-390R Air Quality Sensors Replacement For Atmospheres Analysis Alarms Electrochemical $47.30
$4730
current price $47.30O2 Sensors For 4OXV AAY80-390R Air Quality Sensors Replacement For Atmospheres Analysis Alarms Electrochemical
Tumdkd 5-in-1 Portable Detector with Temperature Humidity Sensors, Plug-and-Play High Definition Display Accurate Alerts for Kitchen Garage RVs Apartments, AC Direct Insertion CO Monitor $28.47
$2847
current price $28.47Tumdkd 5-in-1 Portable Detector with Temperature Humidity Sensors, Plug-and-Play High Definition Display Accurate Alerts for Kitchen Garage RVs Apartments, AC Direct Insertion CO Monitor
15 out of 5 Stars. 1 reviews
SITERWELL Smoke Detector 10 Year Battery Operated,Photoelectric,Rlectrochemical Sensors, Fire Alarm,Bilingual Voice Alerts, UL217-9th Standards,1 Pack From $24.80
3 options
Available in additional 3 optionsFrom$2480
SITERWELL Smoke Detector 10 Year Battery Operated,Photoelectric,Rlectrochemical Sensors, Fire Alarm,Bilingual Voice Alerts, UL217-9th Standards,1 Pack
254.7 out of 5 Stars. 25 reviews
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CO Detector Co 3-in-1 Portable Detector Battery Powerd Handheld Alarm with Temperature & Humidity CO Detector Monitor for Home Outside RV Easy to Read $25.91
$2591
current price $25.91CO Detector Co 3-in-1 Portable Detector Battery Powerd Handheld Alarm with Temperature & Humidity CO Detector Monitor for Home Outside RV Easy to Read
POROMETISTO HLD01 High-Sensitivity Halogen Leak Detector for Refrigerant Gases $59.99 Was $70.00
Now$5999
current price Now $59.99, Was $70.00$70.00
POROMETISTO HLD01 High-Sensitivity Halogen Leak Detector for Refrigerant Gases
Siterwell AA Battery Operated Carbon Monoxide Detector Alarm, LCD Display,Portable for Travel Home,1-pack From $21.31
3 options
Available in additional 3 optionsFrom$2131
Siterwell AA Battery Operated Carbon Monoxide Detector Alarm, LCD Display,Portable for Travel Home,1-pack
1364.6 out of 5 Stars. 136 reviews
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3-in-1 Portable Handheld CO Detector with Temperature and Humidity Monitor, Electrochemical Sensor Carbon Monoxide Alarm
3-in-1 Portable Handheld CO Detector with Temperature and Humidity Monitor, Electrochemical Sensor Carbon Monoxide Alarm
Veevvio Handheld 4-in-1 Carbon Monoxide & Carbon Dioxide Detector, Temperature & Humidity Monitor Rechargeable with Custom Alarm Thresholds, 96H Standby Mini CO/CO2 Alarm for Travel, RV, Hotel $39.99
$3999
current price $39.99Veevvio Handheld 4-in-1 Carbon Monoxide & Carbon Dioxide Detector, Temperature & Humidity Monitor Rechargeable with Custom Alarm Thresholds, 96H Standby Mini CO/CO2 Alarm for Travel, RV, Hotel
11 out of 5 Stars. 1 reviews
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H2S Gas Meter with Electrochemical Cell, Screen Temperature View and Sound Prompt for Chemical Facility and Wastewater Inspection Work $70.70
$7070
current price $70.70H2S Gas Meter with Electrochemical Cell, Screen Temperature View and Sound Prompt for Chemical Facility and Wastewater Inspection Work
Clearance 3-in-1 Portable CO2 Meter, Handheld Air Quality Detector with Carbon Monoxide Sensor and Temperature Humidity Monitor for Home Office Car and Travel, 3.35x2.01x0.67in $15.99 Was $18.99
Now$1599
current price Now $15.99, Was $18.99$18.99
3-in-1 Portable CO2 Meter, Handheld Air Quality Detector with Carbon Monoxide Sensor and Temperature Humidity Monitor for Home Office Car and Travel, 3.35x2.01x0.67in
CO Detector,Temperature With Battery Handheld 3-in-1 Portable Carbon Rv $25.90
$2590
current price $25.90CO Detector,Temperature With Battery Handheld 3-in-1 Portable Carbon Rv
5In1 Co2 Meter Temperature Humidity Air Quality Monitor Carbon Dioxide Detector
5In1 Co2 Meter Temperature Humidity Air Quality Monitor Carbon Dioxide Detector
Portable CO Detector 3-in-1 Carbon Monoxide Sensor | Handheld Indoor Air Quality Monitor | Measures CO2 Levels, Temperature, Humidity | Compact | For Home, Car, RV | 85x51x17mm
Portable CO Detector 3-in-1 Carbon Monoxide Sensor | Handheld Indoor Air Quality Monitor | Measures CO2 Levels, Temperature, Humidity | Compact | For Home, Car, RV | 85x51x17mm
FIRST ALERT BRK CO250B Family Gard Basics Carbon Monoxide Alarm 4-Pack | Battery Operated Carbon Monoxide Detector , White $82.99
$8299
current price $82.99FIRST ALERT BRK CO250B Family Gard Basics Carbon Monoxide Alarm 4-Pack | Battery Operated Carbon Monoxide Detector , White
25 out of 5 Stars. 2 reviews
Rollback Outdoor-Forest Brand, Carbon Monoxide Detector, Orange Color, LCD Screen $24.37 Was $28.96
Now$2437
current price Now $24.37, Was $28.96$28.96
Outdoor-Forest Brand, Carbon Monoxide Detector, Orange Color, LCD Screen
1254.5 out of 5 Stars. 125 reviews
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VVQ Portable CO2 Detector, 3-in-1 Handheld Air Quality Monitor with Indoor Temperature Humidity, High Precision Carbon Monoxide Sensor,Type-C Rechargeable for Home Office $22.49
$2249
current price $22.49VVQ Portable CO2 Detector, 3-in-1 Handheld Air Quality Monitor with Indoor Temperature Humidity, High Precision Carbon Monoxide Sensor,Type-C Rechargeable for Home Office
MOMOJIA Portable Dissolved Oxygen Detectors Marine Monitoring Tool LCD Display for Home
MOMOJIA Portable Dissolved Oxygen Detectors Marine Monitoring Tool LCD Display for Home
GJX 2026 New 6 in 1 Multifunctional Portable Air Quality Detector Pm2.5 Pm10 Hcho Tvoc Co Co2 Formaldehyde Monitor Lcd Large Screen Display,Widely Use $20.31
$2031
current price $20.31GJX 2026 New 6 in 1 Multifunctional Portable Air Quality Detector Pm2.5 Pm10 Hcho Tvoc Co Co2 Formaldehyde Monitor Lcd Large Screen Display,Widely Use
Portable Carbon Monoxide Detector 3-in-1 Handheld CO Monitor with Temperature and Humidity Sensor for Home Apartment
Portable Carbon Monoxide Detector 3-in-1 Handheld CO Monitor with Temperature and Humidity Sensor for Home Apartment
3-in-1 Portable Handheld CO Detector Carbon Monoxide Alarm with Temp & Humidity Monitor. $27.32
$2732
current price $27.323-in-1 Portable Handheld CO Detector Carbon Monoxide Alarm with Temp & Humidity Monitor.
Portable CO2 Detector 3-in-1 Carbon Monoxide Sensor | Handheld Indoor Air Quality Monitor | Measures CO2 Levels, Temperature, Humidity | Rechargeable | Compact | For Home, Car, RV | 85x51x17mm $15.67
$1567
current price $15.67Portable CO2 Detector 3-in-1 Carbon Monoxide Sensor | Handheld Indoor Air Quality Monitor | Measures CO2 Levels, Temperature, Humidity | Rechargeable | Compact | For Home, Car, RV | 85x51x17mm
14 out of 5 Stars. 1 reviews
GJX 2026 New 3 in 1 Mini Co Detector Digital Display Portable Carbon Monoxide Gas Analyzer Type-C Rechargeable,Long Time to Use for Home,Garage,Office,Workshop,Kitchen $40.46 Was $48.77
Now$4046
current price Now $40.46, Was $48.77$48.77
GJX 2026 New 3 in 1 Mini Co Detector Digital Display Portable Carbon Monoxide Gas Analyzer Type-C Rechargeable,Long Time to Use for Home,Garage,Office,Workshop,Kitchen
Aaon P57980 - ELECTRODE SENSOR $208.24
$20824
current price $208.24Aaon P57980 - ELECTRODE SENSOR
Clearance Portable Carbon Monoxide Detector Alarm For Camping And Home Use Of The Day Home Decor From $14.02
From$1402
Portable Carbon Monoxide Detector Alarm For Camping And Home Use Of The Day Home Decor
3-in-1 Portable CO2 Detector with Carbon Monoxide Sensor, Rechargeable Handheld Indoor Air Quality Monitor with Temperature & Humidity for Home, Car and RV $29.99
$2999
current price $29.993-in-1 Portable CO2 Detector with Carbon Monoxide Sensor, Rechargeable Handheld Indoor Air Quality Monitor with Temperature & Humidity for Home, Car and RV
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9 In 1 Air Quality Tester Clear Display Large Digital Screen With Backlight CO2 PM2.5 Air Detector White $32.35
$3235
current price $32.359 In 1 Air Quality Tester Clear Display Large Digital Screen With Backlight CO2 PM2.5 Air Detector White
Clearance karymi Portable Carbon Monoxide Detector Alarm with LCD Screen Temperature Humidity Display Rechargeable 700mAh for Camping Home RV Travel Home Decor
karymi Portable Carbon Monoxide Detector Alarm with LCD Screen Temperature Humidity Display Rechargeable 700mAh for Camping Home RV Travel Home Decor
3-in-1 CO Detector, Handheld Carbon Monoxide Sensor with CO2 Concentration, Temperature & Humidity Monitor, Natural Gas & Smoke Alarm for Home Apartment Hotel Camping RV
3-in-1 CO Detector, Handheld Carbon Monoxide Sensor with CO2 Concentration, Temperature & Humidity Monitor, Natural Gas & Smoke Alarm for Home Apartment Hotel Camping RV
15 out of 5 Stars. 1 reviews
Multi Gas Detector O2 H2S CO LEL 4 in 1 Gas Meter Oxygen Hydrogen Sulfide Carbon Monoxide Combustible Gas Leak Detector From $211.68
From$21168
Multi Gas Detector O2 H2S CO LEL 4 in 1 Gas Meter Oxygen Hydrogen Sulfide Carbon Monoxide Combustible Gas Leak Detector
BW Technologies GasAlertMax XT II 4-Gas Detector with Pump, Data Storing, Yellow $1,099.00
$1,09900
current price $1,099.00BW Technologies GasAlertMax XT II 4-Gas Detector with Pump, Data Storing, Yellow
15 out of 5 Stars. 1 reviews
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