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.

Narrow it down
1039 products found. Showing 361 - 400
Sensor assembly for Sulfur Dioxide (SO2) 0 - 20 ppm, EC type, XP Division 2, 7 pin Sensor assembly for Sulfur Dioxide (SO2) 0 - 20 ppm, EC type, XP Division 2, 7 pin

SKU: 66-1010-20

Price: $924.00
In Stock

Sensor assembly for VOC (10.0 eV PID) 0 - 100 ppm, non XP, 7-pin Sensor assembly for VOC (10.0 eV PID) 0 - 100 ppm, non XP, 7-pin

SKU: 66-2305

Price: $1,947.00
In Stock

Sensor assembly for VOC (10.0 eV PID) 0 - 100 ppm, XP Division 1, 7 pin Sensor assembly for VOC (10.0 eV PID) 0 - 100 ppm, XP Division 1, 7 pin

SKU: 66-1305

Price: $2,046.00
In Stock

Sensor assembly for VOC (10.6 eV PID) 0 - 2000 ppm, non XP, 7-pin Sensor assembly for VOC (10.6 eV PID) 0 - 2000 ppm, non XP, 7-pin

SKU: 66-2303

Price: $1,749.00
In Stock

Sensor assembly for VOC (10.6 eV PID) 0 - 2000 ppm, XP Division 1, 7 pin Sensor assembly for VOC (10.6 eV PID) 0 - 2000 ppm, XP Division 1, 7 pin

SKU: 66-1303

Price: $1,837.00
In Stock

Sensor assembly for VOC (10.6 eV PID) 0 - 50 ppm, non XP, 7-pin Sensor assembly for VOC (10.6 eV PID) 0 - 50 ppm, non XP, 7-pin

SKU: 66-2302

Price: $1,947.00
In Stock

Sensor assembly for VOC (10.6 eV PID) 0 - 50 ppm, XP Division 1, 7 pin Sensor assembly for VOC (10.6 eV PID) 0 - 50 ppm, XP Division 1, 7 pin

SKU: 66-1302

Price: $2,046.00
In Stock

Sensor assembly for VOC (11.7  eV PID) 0 - 100 ppm, non XP, 7-pin Sensor assembly for VOC (11.7 eV PID) 0 - 100 ppm, non XP, 7-pin

SKU: 66-2304

Price: $2,607.00
In Stock

Sensor assembly for VOC (11.7  eV PID) 0 - 100 ppm, XP Division 1, 7 pin Sensor assembly for VOC (11.7 eV PID) 0 - 100 ppm, XP Division 1, 7 pin

SKU: 66-1304

Price: $2,640.00
In Stock

Sensor assembly, explosion proof for Ammonia (NH3), High range 0 - 1000 ppm, EC type, 5-pin Sensor assembly, explosion proof for Ammonia (NH3), High range 0 - 1000 ppm, EC type, 5-pin

SKU: 66-3006-2-99

Price: $1,347.50
In Stock

Sensor assembly, explosion proof for Ammonia (NH3), High range 0 - 200 ppm, EC type, 5-pin Sensor assembly, explosion proof for Ammonia (NH3), High range 0 - 200 ppm, EC type, 5-pin

SKU: 66-3006-2-20

Price: $700.00
In Stock

Sensor assembly, explosion proof for Ammonia (NH3), High range 0 - 300 ppm, EC type, 5-pin Sensor assembly, explosion proof for Ammonia (NH3), High range 0 - 300 ppm, EC type, 5-pin

SKU: 66-3006-2-30

Price: $700.00
In Stock

Sensor assembly, explosion proof for Ammonia (NH3), High range 0 - 500 ppm, EC type, 5-pin Sensor assembly, explosion proof for Ammonia (NH3), High range 0 - 500 ppm, EC type, 5-pin

SKU: 66-3006-2-50

Price: $700.00
In Stock

Sensor assembly, explosion proof for Ammonia (NH3), Low Range 0 - 100 ppm, EC type, 5-pin Sensor assembly, explosion proof for Ammonia (NH3), Low Range 0 - 100 ppm, EC type, 5-pin

SKU: 66-3006-1-10

Price: $700.00
In Stock

Sensor assembly, explosion proof for Arsine (AsH3) 0 - 1 ppm, EC type, 5-pin Sensor assembly, explosion proof for Arsine (AsH3) 0 - 1 ppm, EC type, 5-pin

SKU: 66-3068-01

Price: $1,190.00
In Stock

Sensor assembly, explosion proof for Carbon Dioxide (CO2) 0 - 5 % Volume, IR - Infrared, 5-pin Sensor assembly, explosion proof for Carbon Dioxide (CO2) 0 - 5 % Volume, IR - Infrared, 5-pin

SKU: 66-3050-05

Price: $1,080.00
In Stock

Sensor assembly, explosion proof for Carbon Dioxide (CO2) 0 - 5000 ppm, IR  - Infrared, 5-pin Sensor assembly, explosion proof for Carbon Dioxide (CO2) 0 - 5000 ppm, IR - Infrared, 5-pin

SKU: 66-0054-05

Price: $1,080.00
In Stock

Sensor assembly, explosion proof for Carbon Dioxide (CO2) 0 - 5000 ppm, IR, 5-pin Sensor assembly, explosion proof for Carbon Dioxide (CO2) 0 - 5000 ppm, IR, 5-pin

SKU: 66-3054-05

Price: $1,925.00
In Stock

Sensor assembly, explosion proof for Carbon Monoxide (CO) 0 - 1000 ppm, EC type, 5-pin Sensor assembly, explosion proof for Carbon Monoxide (CO) 0 - 1000 ppm, EC type, 5-pin

SKU: 66-3001-10

Price: $555.00
In Stock

Sensor assembly, explosion proof for Carbon Monoxide (CO) 0 - 500 PPM, EC type, 5-pin Sensor assembly, explosion proof for Carbon Monoxide (CO) 0 - 500 PPM, EC type, 5-pin

SKU: 66-3001-05

Price: $555.00
In Stock

Sensor assembly, explosion proof for Chlorine (Cl2) 0 - 10 ppm, EC type, 5-pin Sensor assembly, explosion proof for Chlorine (Cl2) 0 - 10 ppm, EC type, 5-pin

SKU: 66-3012-10

Price: $700.00
In Stock

Sensor assembly, explosion proof for Chlorine Dioxide (ClO2) 0 - 1 ppm, EC type, 5-pin Sensor assembly, explosion proof for Chlorine Dioxide (ClO2) 0 - 1 ppm, EC type, 5-pin

SKU: 66-3013-01

Price: $700.00
In Stock

Sensor assembly, explosion proof for Combustible (CH4) 0 - 100 % LEL, CB2 - Catalytic Bead, 5-pin Sensor assembly, explosion proof for Combustible (CH4) 0 - 100 % LEL, CB2 - Catalytic Bead, 5-pin

SKU: 66-3040-10

Price: $555.00
In Stock

Sensor assembly, explosion proof for Combustible (CH4) 0 - 100 % LEL, IR - Infrared, 5-pin Sensor assembly, explosion proof for Combustible (CH4) 0 - 100 % LEL, IR - Infrared, 5-pin

SKU: 66-3051-10

Price: $1,925.00
In Stock

Sensor assembly, explosion proof for Combustible (CH4) 0 - 100 % Volume, IR - Infrared, 5-pin Sensor assembly, explosion proof for Combustible (CH4) 0 - 100 % Volume, IR - Infrared, 5-pin

SKU: 66-3052-99

Price: $1,080.00
In Stock

Sensor assembly, explosion proof for Combustible (HC) 0-100% LEL HC, IR - Infrared, 5-pin Sensor assembly, explosion proof for Combustible (HC) 0-100% LEL HC, IR - Infrared, 5-pin

SKU: 66-3053-10

Price: $1,080.00
In Stock

Sensor assembly, explosion proof for Ethylene Oxide (ETO) 0 - 10 ppm, EC type, 5-pin Sensor assembly, explosion proof for Ethylene Oxide (ETO) 0 - 10 ppm, EC type, 5-pin

SKU: 66-3016-10

Price: $1,080.00
In Stock

Sensor assembly, explosion proof for Formaldehyde (HCHO) 0 - 10 ppm, EC type, 5-pin Sensor assembly, explosion proof for Formaldehyde (HCHO) 0 - 10 ppm, EC type, 5-pin

SKU: 66-3011-10

Price: $1,080.00
In Stock

Sensor assembly, explosion proof for Hydrogen (H2) 0 - 100% LEL (0-4% vol), EC type, 5-pin Sensor assembly, explosion proof for Hydrogen (H2) 0 - 100% LEL (0-4% vol), EC type, 5-pin

SKU: 66-3039-40

Price: $1,080.00
In Stock

Sensor assembly, explosion proof for Hydrogen Chloride (HCl) 0 - 100 ppm, EC type, 5-pin Sensor assembly, explosion proof for Hydrogen Chloride (HCl) 0 - 100 ppm, EC type, 5-pin

SKU: 66-3004-99

Price: $700.00
In Stock

Sensor assembly, explosion proof for Hydrogen Chloride (HCl) 0 - 20 ppm, EC type, 5-pin Sensor assembly, explosion proof for Hydrogen Chloride (HCl) 0 - 20 ppm, EC type, 5-pin

SKU: 66-3004-20

Price: $700.00
In Stock

Sensor assembly, explosion proof for Hydrogen Chloride (HCl) 0 - 30 ppm, EC type, 5-pin Sensor assembly, explosion proof for Hydrogen Chloride (HCl) 0 - 30 ppm, EC type, 5-pin

SKU: 66-3004-30

Price: $700.00
In Stock

Sensor assembly, explosion proof for Hydrogen Cyanide (HCN) 0 - 15 ppm, EC type, 5-pin Sensor assembly, explosion proof for Hydrogen Cyanide (HCN) 0 - 15 ppm, EC type, 5-pin

SKU: 66-3005-15

Price: $700.00
In Stock

Sensor assembly, explosion proof for Hydrogen Cyanide (HCN) 0 - 50 ppm, EC type, 5-pin Sensor assembly, explosion proof for Hydrogen Cyanide (HCN) 0 - 50 ppm, EC type, 5-pin

SKU: 66-3005-50

Price: $700.00
In Stock

Sensor assembly, explosion proof for Hydrogen Fluoride (HF) 0 - 10 ppm, EC type, 5-pin Sensor assembly, explosion proof for Hydrogen Fluoride (HF) 0 - 10 ppm, EC type, 5-pin

SKU: 66-3014-10

Price: $1,080.00
In Stock

Sensor assembly, explosion proof for Hydrogen Sulfide (H2S) High range  0 - 2000 ppm, EC type, 5-pin Sensor assembly, explosion proof for Hydrogen Sulfide (H2S) High range 0 - 2000 ppm, EC type, 5-pin

SKU: 66-3003-2-2K

Price: $700.00
In Stock

Sensor assembly, explosion proof for Hydrogen Sulfide (H2S) High range 0 - 500 ppm, EC type, 5-pin Sensor assembly, explosion proof for Hydrogen Sulfide (H2S) High range 0 - 500 ppm, EC type, 5-pin

SKU: 66-3003-2-50

Price: $700.00
In Stock

Sensor assembly, explosion proof for Hydrogen Sulfide (H2S) Low Range 0 - 10 ppm, EC type, 5-pin Sensor assembly, explosion proof for Hydrogen Sulfide (H2S) Low Range 0 - 10 ppm, EC type, 5-pin

SKU: 66-3003-1-01

Price: $555.00
In Stock

Sensor assembly, explosion proof for Hydrogen Sulfide (H2S) Low Range 0 - 100 ppm, EC type, 5-pin Sensor assembly, explosion proof for Hydrogen Sulfide (H2S) Low Range 0 - 100 ppm, EC type, 5-pin

SKU: 66-3003-1-10

Price: $1,210.00
In Stock

Sensor assembly, explosion proof for Hydrogen Sulfide (H2S) Low Range 0 - 25 ppm, EC type, 5-pin Sensor assembly, explosion proof for Hydrogen Sulfide (H2S) Low Range 0 - 25 ppm, EC type, 5-pin

SKU: 66-3003-1-02

Price: $555.00
In Stock

1039 products found. Showing 361 - 400