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 321 - 360
Sensor assembly for Combustible (HC) 0-100% LEL, IR - Infrared, non XP, 7-pin Sensor assembly for Combustible (HC) 0-100% LEL, IR - Infrared, non XP, 7-pin

SKU: 66-2053-10

Price: $1,120.00
In Stock

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

SKU: 66-1053-10

Price: $1,200.00
In Stock

Sensor assembly for Ethylene Oxide (ETO) 0 - 10 ppm, EC type, non XP, 7-pin Sensor assembly for Ethylene Oxide (ETO) 0 - 10 ppm, EC type, non XP, 7-pin

SKU: 66-2016-10

Price: $1,342.00
In Stock

Sensor assembly for Ethylene Oxide (ETO) 0 - 10 ppm, EC type, XP Division 2, 7 pin Sensor assembly for Ethylene Oxide (ETO) 0 - 10 ppm, EC type, XP Division 2, 7 pin

SKU: 66-1016-10

Price: $1,441.00
In Stock

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

SKU: 66-2011-10

Price: $1,342.00
In Stock

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

SKU: 66-1011-10

Price: $1,441.00
In Stock

Sensor assembly for Hydrogen (H2) 0 - 100% LEL (0-4% vol), EC type, non XP, 7-pin Sensor assembly for Hydrogen (H2) 0 - 100% LEL (0-4% vol), EC type, non XP, 7-pin

SKU: 66-2039-40

Price: $1,342.00
In Stock

Sensor assembly for Hydrogen (H2) 0 - 100% LEL (0-4% vol), EC type, XP Division 1, 7 pin Sensor assembly for Hydrogen (H2) 0 - 100% LEL (0-4% vol), EC type, XP Division 1, 7 pin

SKU: 66-1039-40

Price: $1,441.00
In Stock

Sensor assembly for Hydrogen Chloride (HCl) 0 - 100 ppm, EC type, non XP, 7-pin Sensor assembly for Hydrogen Chloride (HCl) 0 - 100 ppm, EC type, non XP, 7-pin

SKU: 66-2004-10

Price: $1,342.00
In Stock

Sensor assembly for Hydrogen Chloride (HCl) 0 - 100 ppm, EC type, XP Division 2, 7 pin Sensor assembly for Hydrogen Chloride (HCl) 0 - 100 ppm, EC type, XP Division 2, 7 pin

SKU: 66-1004-10

Price: $1,441.00
In Stock

Sensor assembly for Hydrogen Chloride (HCl) 0 - 20 ppm, EC type, XP Division 2, 7 pin Sensor assembly for Hydrogen Chloride (HCl) 0 - 20 ppm, EC type, XP Division 2, 7 pin

SKU: 66-1004-20

Price: $760.00
In Stock

Sensor assembly for Hydrogen Chloride (HCl) 0 - 30 ppm, EC type, XP Division 2, 7 pin Sensor assembly for Hydrogen Chloride (HCl) 0 - 30 ppm, EC type, XP Division 2, 7 pin

SKU: 66-1004-30

Price: $760.00
In Stock

Sensor assembly for Hydrogen Cyanide (HCN) 0 - 15 ppm, EC type, XP Division 2, 7 pin Sensor assembly for Hydrogen Cyanide (HCN) 0 - 15 ppm, EC type, XP Division 2, 7 pin

SKU: 66-1005-15

Price: $760.00
In Stock

Sensor assembly for Hydrogen Cyanide (HCN) 0 - 30 ppm, EC type, XP Division 2, 7 pin Sensor assembly for Hydrogen Cyanide (HCN) 0 - 30 ppm, EC type, XP Division 2, 7 pin

SKU: 66-1005-30

Price: $760.00
In Stock

Sensor assembly for Hydrogen Cyanide (HCN) 0 - 50 ppm, EC type, non XP, 7-pin Sensor assembly for Hydrogen Cyanide (HCN) 0 - 50 ppm, EC type, non XP, 7-pin

SKU: 66-2005-50

Price: $836.00
In Stock

Sensor assembly for Hydrogen Cyanide (HCN) 0 - 50 ppm, EC type, XP Division 2, 7 pin Sensor assembly for Hydrogen Cyanide (HCN) 0 - 50 ppm, EC type, XP Division 2, 7 pin

SKU: 66-1005-50

Price: $924.00
In Stock

Sensor assembly for Hydrogen Fluoride (HF) 0 - 10 ppm, EC type, non XP, 7-pin Sensor assembly for Hydrogen Fluoride (HF) 0 - 10 ppm, EC type, non XP, 7-pin

SKU: 66-2014-10

Price: $1,342.00
In Stock

Sensor assembly for Hydrogen Fluoride (HF) 0 - 10 ppm, EC type, XP Division 2, 7 pin Sensor assembly for Hydrogen Fluoride (HF) 0 - 10 ppm, EC type, XP Division 2, 7 pin

SKU: 66-1014-10

Price: $1,441.00
In Stock

Sensor assembly for Hydrogen Sulfide (H2S) 0 - 100 ppm, EC type, non XP, 7-pin Sensor assembly for Hydrogen Sulfide (H2S) 0 - 100 ppm, EC type, non XP, 7-pin

SKU: 66-2003-1-10

Price: $638.00
In Stock

Sensor assembly for Hydrogen Sulfide (H2S) High range 0 - 2000 ppm, EC type, non XP, 7-pin Sensor assembly for Hydrogen Sulfide (H2S) High range 0 - 2000 ppm, EC type, non XP, 7-pin

SKU: 66-2003-2-2K

Price: $836.00
In Stock

Sensor assembly for Hydrogen Sulfide (H2S) High range, 0 - 2000 ppm, EC type, XP Division 1, 7 pin Sensor assembly for Hydrogen Sulfide (H2S) High range, 0 - 2000 ppm, EC type, XP Division 1, 7 pin

SKU: 66-1003-2-2K

Price: $924.00
In Stock

Sensor assembly for Hydrogen Sulfide (H2S) High range, 0 - 500 ppm, EC type, XP Division 1, 7 pin Sensor assembly for Hydrogen Sulfide (H2S) High range, 0 - 500 ppm, EC type, XP Division 1, 7 pin

SKU: 66-1003-2-50

Price: $760.00
In Stock

Sensor assembly for Hydrogen Sulfide (H2S) Low Range, 0 - 10 ppm, EC type, XP Division 1, 7 pin Sensor assembly for Hydrogen Sulfide (H2S) Low Range, 0 - 10 ppm, EC type, XP Division 1, 7 pin

SKU: 66-1003-1-01

Price: $600.00
In Stock

Sensor assembly for Hydrogen Sulfide (H2S) Low Range, 0 - 100 ppm, EC type, XP Division 1, 7 pin Sensor assembly for Hydrogen Sulfide (H2S) Low Range, 0 - 100 ppm, EC type, XP Division 1, 7 pin

SKU: 66-1003-1-10

Price: $742.50
In Stock

Sensor assembly for Hydrogen Sulfide (H2S) Low Range, 0 - 25 ppm, EC type, XP Division 1, 7 pin Sensor assembly for Hydrogen Sulfide (H2S) Low Range, 0 - 25 ppm, EC type, XP Division 1, 7 pin

SKU: 66-1003-1-02

Price: $600.00
In Stock

Sensor assembly for Hydrogen Sulfide (H2S) Low Range, 0 - 50 ppm, EC type, XP Division 1, 7 pin Sensor assembly for Hydrogen Sulfide (H2S) Low Range, 0 - 50 ppm, EC type, XP Division 1, 7 pin

SKU: 66-1003-1-05

Price: $600.00
In Stock

Sensor assembly for Nitric Oxide (NO) 0 - 250 ppm, EC type, non XP, 7-pin Sensor assembly for Nitric Oxide (NO) 0 - 250 ppm, EC type, non XP, 7-pin

SKU: 66-2007-25

Price: $836.00
In Stock

Sensor assembly for Nitric Oxide (NO) 0 - 250 ppm, EC type, XP Division 2, 7 pin Sensor assembly for Nitric Oxide (NO) 0 - 250 ppm, EC type, XP Division 2, 7 pin

SKU: 66-1007-25

Price: $924.00
In Stock

Sensor assembly for Nitrogen Dioxide (NO2) 0 - 20 ppm, EC type, non XP, 7-pin Sensor assembly for Nitrogen Dioxide (NO2) 0 - 20 ppm, EC type, non XP, 7-pin

SKU: 66-2008-20

Price: $836.00
In Stock

Sensor assembly for Nitrogen Dioxide (NO2) 0 - 20 ppm, EC type, XP Division 2, 7 pin Sensor assembly for Nitrogen Dioxide (NO2) 0 - 20 ppm, EC type, XP Division 2, 7 pin

SKU: 66-1008-20

Price: $924.00
In Stock

Sensor assembly for Oxygen (O2) 0 - 25 % Volume, EC type, non XP, 7-pin Sensor assembly for Oxygen (O2) 0 - 25 % Volume, EC type, non XP, 7-pin

SKU: 66-2002-25

Price: $638.00
In Stock

Sensor assembly for Oxygen (O2) 0 - 25 % Volume, EC type, XP Division 1, 7 pin Sensor assembly for Oxygen (O2) 0 - 25 % Volume, EC type, XP Division 1, 7 pin

SKU: 66-1002-25

Price: $742.50
In Stock

Sensor assembly for Ozone (O3), 0 - 5 ppm, EC type, non XP, 7-pin Sensor assembly for Ozone (O3), 0 - 5 ppm, EC type, non XP, 7-pin

SKU: 66-2009-1-05

Price: $1,342.00
In Stock

Sensor assembly for Ozone (O3), 0 - 5 ppm, EC type, XP Division 2, 7 pin Sensor assembly for Ozone (O3), 0 - 5 ppm, EC type, XP Division 2, 7 pin

SKU: 66-1009-1-05

Price: $1,441.00
In Stock

Sensor assembly for Ozone (O3), high range 0 - 100 ppm, EC type, non XP, 7-pin Sensor assembly for Ozone (O3), high range 0 - 100 ppm, EC type, non XP, 7-pin

SKU: 66-2009-2-99

Price: $1,342.00
In Stock

Sensor assembly for Phosphine (PH3) 0 - 5 ppm, EC type, non XP, 7-pin Sensor assembly for Phosphine (PH3) 0 - 5 ppm, EC type, non XP, 7-pin

SKU: 66-2015-05

Price: $1,485.00
In Stock

Sensor assembly for Phosphine (PH3) 0 - 5 ppm, EC type, XP Division 2, 7 pin Sensor assembly for Phosphine (PH3) 0 - 5 ppm, EC type, XP Division 2, 7 pin

SKU: 66-1015-05

Price: $1,634.00
In Stock

Sensor assembly for PS 2, LEL, with 30' cable Sensor assembly for PS 2, LEL, with 30' cable

SKU: 62-0010RK

Price: $167.00
In Stock

Sensor assembly for PS 2, PPM, with 30' cable Sensor assembly for PS 2, PPM, with 30' cable

SKU: 62-0011RK

Price: $167.00
In Stock

Sensor assembly for Sulfur Dioxide (SO2) 0 - 20 ppm, EC type, non XP, 7-pin Sensor assembly for Sulfur Dioxide (SO2) 0 - 20 ppm, EC type, non XP, 7-pin

SKU: 66-2010-20

Price: $836.00
In Stock

1039 products found. Showing 321 - 360