Replacement Sensors

Did you know sensors for gas monitors have a lifespan? Gas monitors are made to last for years, but old sensors can mean false readings and faulty equipment. Luckily for you, most gas monitors have field replaceable sensors making it easy to keep your devices running. Apollo Safety has replacement sensors for the most popular single and multi-gas monitors on the market. 

Prices are subject to change without notice due to ongoing tariff adjustments and market conditions. For the most accurate and up-to-date pricing, please contact us directly.

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1039 products found. Showing 281 - 320
S2 Series Sulfur Dioxide (SO2) 0 - 10 ppm, CT-7 style sensor / transmitter, non explosion proof with j-box S2 Series Sulfur Dioxide (SO2) 0 - 10 ppm, CT-7 style sensor / transmitter, non explosion proof with j-box

SKU: 65-2341-SO2-10

Price: $1,205.00
In Stock

S2 Series Sulfur Dioxide (SO2) 0-6 ppm sensor / transmitter, non explosion proof with j-box S2 Series Sulfur Dioxide (SO2) 0-6 ppm sensor / transmitter, non explosion proof with j-box

SKU: 65-2340RK-SO2

Price: $880.00
In Stock

S2 Series TC, Hydrogen (H2) 0-10% vol sensor / transmitter, explosion proof with j-box S2 Series TC, Hydrogen (H2) 0-10% vol sensor / transmitter, explosion proof with j-box

SKU: 65-2462RK

Price: $1,260.00
In Stock

S2 Transmitter/det/j-box,4-20 mA,0-10% Vol H2,TC sensor,w/remote det & cal adptr/splashguard S2 Transmitter/det/j-box,4-20 mA,0-10% Vol H2,TC sensor,w/remote det & cal adptr/splashguard

SKU: 65-2462RK-04

Price: $1,415.00
In Stock

Sensor adapter,LEL aspirator adapter Sensor adapter,LEL aspirator adapter

SKU: 35-0120RK

Price: $63.00
In Stock

Sensor assembly for Ammonia (NH3), 0 - 100 ppm, EC type, non XP, 7-pin Sensor assembly for Ammonia (NH3), 0 - 100 ppm, EC type, non XP, 7-pin

SKU: 66-2006-1-10

Price: $836.00
In Stock

Sensor assembly for Ammonia (NH3), High range 0 - 1000 ppm, EC type, non XP, 7-pin Sensor assembly for Ammonia (NH3), High range 0 - 1000 ppm, EC type, non XP, 7-pin

SKU: 66-2006-2-99

Price: $836.00
In Stock

Sensor assembly for Ammonia (NH3), High range 0 - 1000 ppm, EC type, XP Division 2, 7 pin Sensor assembly for Ammonia (NH3), High range 0 - 1000 ppm, EC type, XP Division 2, 7 pin

SKU: 66-1006-2-99

Price: $924.00
In Stock

Sensor assembly for Ammonia (NH3), High range 0 - 400 ppm, EC type, non XP, 7-pin Sensor assembly for Ammonia (NH3), High range 0 - 400 ppm, EC type, non XP, 7-pin

SKU: 66-2006-2-40

Price: $680.00
In Stock

Sensor assembly for Ammonia (NH3), High range 0 - 500 ppm, EC type, XP Division 2, 7 pin Sensor assembly for Ammonia (NH3), High range 0 - 500 ppm, EC type, XP Division 2, 7 pin

SKU: 66-1006-2-50

Price: $760.00
In Stock

Sensor assembly for Ammonia (NH3), low humidity, low range, 0 - 100 ppm, EC type, XP Division 2, 7 pin Sensor assembly for Ammonia (NH3), low humidity, low range, 0 - 100 ppm, EC type, XP Division 2, 7 pin

SKU: 66-1006-1-10L

Price: $760.00
In Stock

Sensor assembly for Ammonia (NH3), Low range, 0 - 100 ppm, EC type, XP Division 2, 7 pin Sensor assembly for Ammonia (NH3), Low range, 0 - 100 ppm, EC type, XP Division 2, 7 pin

SKU: 66-1006-1-10

Price: $924.00
In Stock

Sensor assembly for Ammonia (NH3), Low range, 0 - 75 ppm, EC type, XP Division 2, 7 pin Sensor assembly for Ammonia (NH3), Low range, 0 - 75 ppm, EC type, XP Division 2, 7 pin

SKU: 66-1006-1-07

Price: $760.00
In Stock

Sensor assembly for Arsine (AsH3) 0 - 1 ppm, EC type, non XP, 7-pin Sensor assembly for Arsine (AsH3) 0 - 1 ppm, EC type, non XP, 7-pin

SKU: 66-2068-01

Price: $1,342.00
In Stock

Sensor assembly for Arsine (AsH3) 0 - 1 ppm, EC type, XP Division 2, 7 pin Sensor assembly for Arsine (AsH3) 0 - 1 ppm, EC type, XP Division 2, 7 pin

SKU: 66-1068-01

Price: $1,441.00
In Stock

Sensor assembly for Carbon Dioxide (CO2) 0 - 1.5 % Volume, LPIR - Low Power Infrared, NXP Sensor assembly for Carbon Dioxide (CO2) 0 - 1.5 % Volume, LPIR - Low Power Infrared, NXP

SKU: 66-2061-15

Price: $1,120.00
In Stock

Sensor assembly for Carbon Dioxide (CO2) 0 - 5 % Volume, IR - Infrared, non XP, 7-pin Sensor assembly for Carbon Dioxide (CO2) 0 - 5 % Volume, IR - Infrared, non XP, 7-pin

SKU: 66-2050-05

Price: $1,120.00
In Stock

Sensor assembly for Carbon Dioxide (CO2) 0 - 5 % Volume, IR - Infrared, XP Division 1, 7 pin Sensor assembly for Carbon Dioxide (CO2) 0 - 5 % Volume, IR - Infrared, XP Division 1, 7 pin

SKU: 66-1050-05

Price: $1,200.00
In Stock

Sensor assembly for Carbon Dioxide (CO2) 0 - 5 % Volume, LPIR - Low Power Infrared, non XP, 7-pin Sensor assembly for Carbon Dioxide (CO2) 0 - 5 % Volume, LPIR - Low Power Infrared, non XP, 7-pin

SKU: 66-2067-05

Price: $1,342.00
In Stock

Sensor assembly for Carbon Dioxide (CO2) 0 - 5 % Volume, LPIR - Low Power Infrared, XP Division 1, 7 pin Sensor assembly for Carbon Dioxide (CO2) 0 - 5 % Volume, LPIR - Low Power Infrared, XP Division 1, 7 pin

SKU: 66-1067-05

Price: $1,441.00
In Stock

Sensor assembly for Carbon Dioxide (CO2) 0 - 5000 ppm, IR, non XP, 7-pin Sensor assembly for Carbon Dioxide (CO2) 0 - 5000 ppm, IR, non XP, 7-pin

SKU: 66-2054-05

Price: $1,120.00
In Stock

Sensor assembly for Carbon Monoxide (CO) 0 - 1000 ppm, EC type, non XP, 7-pin Sensor assembly for Carbon Monoxide (CO) 0 - 1000 ppm, EC type, non XP, 7-pin

SKU: 66-2001-10

Price: $638.00
In Stock

Sensor assembly for Carbon Monoxide (CO) 0 - 1000 ppm, EC type, XP Division 1, 7 pin Sensor assembly for Carbon Monoxide (CO) 0 - 1000 ppm, EC type, XP Division 1, 7 pin

SKU: 66-1001-10

Price: $675.00
In Stock

Sensor assembly for Carbon Monoxide (CO) 0 - 500 ppm, EC type, XP Division 1, 7 pin Sensor assembly for Carbon Monoxide (CO) 0 - 500 ppm, EC type, XP Division 1, 7 pin

SKU: 66-1001-05

Price: $600.00
In Stock

Sensor assembly for Chlorine (Cl2) 0 - 10 ppm, EC type, non XP, 7-pin Sensor assembly for Chlorine (Cl2) 0 - 10 ppm, EC type, non XP, 7-pin

SKU: 66-2012-10

Price: $836.00
In Stock

Sensor assembly for Chlorine (Cl2) 0 - 10 ppm, EC type, XP Division 2, 7 pin Sensor assembly for Chlorine (Cl2) 0 - 10 ppm, EC type, XP Division 2, 7 pin

SKU: 66-1012-10

Price: $924.00
In Stock

Sensor assembly for Chlorine (Cl2) 0 - 20 ppm, EC type, non XP, 7-pin Sensor assembly for Chlorine (Cl2) 0 - 20 ppm, EC type, non XP, 7-pin

SKU: 66-2012-20

Price: $680.00
In Stock

Sensor assembly for Chlorine (Cl2) 0 - 3 ppm, EC type, non XP, 7-pin Sensor assembly for Chlorine (Cl2) 0 - 3 ppm, EC type, non XP, 7-pin

SKU: 66-2012-03

Price: $680.00
In Stock

Sensor assembly for Chlorine Dioxide (ClO2) 0 - 1 ppm, EC type, non XP, 7-pin Sensor assembly for Chlorine Dioxide (ClO2) 0 - 1 ppm, EC type, non XP, 7-pin

SKU: 66-2013-01

Price: $836.00
In Stock

Sensor assembly for Chlorine Dioxide (ClO2) 0 - 1 ppm, EC type, XP Division 2, 7 pin Sensor assembly for Chlorine Dioxide (ClO2) 0 - 1 ppm, EC type, XP Division 2, 7 pin

SKU: 66-1013-01

Price: $760.00
In Stock

Sensor assembly for Chlorine Dioxide (ClO2) covers full scale up to 0 - 5 ppm, EC type, XP Division 2, 7 pin Sensor assembly for Chlorine Dioxide (ClO2) covers full scale up to 0 - 5 ppm, EC type, XP Division 2, 7 pin

SKU: 66-1013-05

Price: $924.00
In Stock

Sensor assembly for Combustible (CH4) 0 - 100 % LEL, CH4, LPIR - Low Power Infrared, non XP, 7-pin Sensor assembly for Combustible (CH4) 0 - 100 % LEL, CH4, LPIR - Low Power Infrared, non XP, 7-pin

SKU: 66-2060-10

Price: $1,342.00
In Stock

Sensor assembly for Combustible (CH4) 0 - 100 % LEL, CH4, LPIR - Low Power Infrared, XP Division 1, 7 pin Sensor assembly for Combustible (CH4) 0 - 100 % LEL, CH4, LPIR - Low Power Infrared, XP Division 1, 7 pin

SKU: 66-1060-10

Price: $1,441.00
In Stock

Sensor assembly for Combustible (CH4) 0 - 100 % LEL, IR - Infrared, non XP, 7-pin Sensor assembly for Combustible (CH4) 0 - 100 % LEL, IR - Infrared, non XP, 7-pin

SKU: 66-2051-10

Price: $1,120.00
In Stock

Sensor assembly for Combustible (CH4) 0 - 100 % LEL, IR - Infrared, XP Division 1, 7 pin Sensor assembly for Combustible (CH4) 0 - 100 % LEL, IR - Infrared, XP Division 1, 7 pin

SKU: 66-1051-10

Price: $1,200.00
In Stock

Sensor assembly for Combustible (CH4) 0 - 100 % Volume, IR - Infrared, non XP, 7-pin Sensor assembly for Combustible (CH4) 0 - 100 % Volume, IR - Infrared, non XP, 7-pin

SKU: 66-2052-99

Price: $1,120.00
In Stock

Sensor assembly for Combustible (CH4) 0 - 100 % Volume, IR - Infrared, XP Division 1, 7 pin Sensor assembly for Combustible (CH4) 0 - 100 % Volume, IR - Infrared, XP Division 1, 7 pin

SKU: 66-1052-99

Price: $1,200.00
In Stock

Sensor assembly for Combustible (CH4) 0 - 100 % Volume, LPIR - Low Power Infrared, non XP, 7-pin Sensor assembly for Combustible (CH4) 0 - 100 % Volume, LPIR - Low Power Infrared, non XP, 7-pin

SKU: 66-2062-99

Price: $1,342.00
In Stock

Sensor assembly for Combustible (HC) 0 - 100 % LEL, LPIR - Low Power Infrared, XP Division 1, 7 pin Sensor assembly for Combustible (HC) 0 - 100 % LEL, LPIR - Low Power Infrared, XP Division 1, 7 pin

SKU: 66-1063-10

Price: $1,441.00
In Stock

Sensor assembly for Combustible (HC) 0 - 100 % Vol., LPIR - Low Power Infrared, non XP, 7-pin Sensor assembly for Combustible (HC) 0 - 100 % Vol., LPIR - Low Power Infrared, non XP, 7-pin

SKU: 66-2063-10

Price: $1,342.00
In Stock

1039 products found. Showing 281 - 320