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 921 - 960
Sensor,ClF3 (chlorine trifluoride),0 - 0.30 ppm,for GD-70D Sensor,ClF3 (chlorine trifluoride),0 - 0.30 ppm,for GD-70D

SKU: ESU-236-CLF3

Price: $525.00
In Stock

Sensor,ClF3 (chlorine trifluoride),0-0.60 PPM,for GD-70D,C type Sensor,ClF3 (chlorine trifluoride),0-0.60 PPM,for GD-70D,C type

SKU: ESU-K233CS-CLFC

Price: $525.00
In Stock

Sensor,ClF3,0-0.300 PPM,for GD-K77D Sensor,ClF3,0-0.300 PPM,for GD-K77D

SKU: ESM-K236-CLF3

Price: $505.00
In Stock

Sensor,CLF3,0-0.6 ppm,GD-K8/K7D2,C type Sensor,CLF3,0-0.6 ppm,GD-K8/K7D2,C type

SKU: ES-K233CS-CLF3C

Price: $485.00
In Stock

Sensor,CO,CT-7 style,4 pins,extended temp range -40C to +50C Sensor,CO,CT-7 style,4 pins,extended temp range -40C to +50C

SKU: ES-1531-CO-S

Price: $250.00
In Stock

Sensor,CO(Carbon Monoxide),0- 75 ppm,for GD-70D Sensor,CO(Carbon Monoxide),0- 75 ppm,for GD-70D

SKU: ESU-231-CO-75

Price: $525.00
In Stock

Sensor,CO(carbon monoxide),0-150 ppm,for GD-70D Sensor,CO(carbon monoxide),0-150 ppm,for GD-70D

SKU: ESU-231-CO-150

Price: $525.00
In Stock

Sensor,CO(carbon monoxide),0-300 ppm,for GD-70D Sensor,CO(carbon monoxide),0-300 ppm,for GD-70D

SKU: ESU-231-CO-300

Price: $525.00
In Stock

Sensor,COS (carbonyl sulfide),0-90.0 PPM,for GD-70D Sensor,COS (carbonyl sulfide),0-90.0 PPM,for GD-70D

SKU: ESU-238-COS

Price: $525.00
In Stock

Sensor,diborane,0-0.3 ppm,for GD-K77D (with ABP sensor cap) Sensor,diborane,0-0.3 ppm,for GD-K77D (with ABP sensor cap)

SKU: ESM-23AYA-B2H6

Price: $505.00
In Stock

Sensor,Diborane,0-0.30 ppm,GD-K8 Sensor,Diborane,0-0.30 ppm,GD-K8

SKU: ES-23AYA-B2H6

Price: $485.00
In Stock

Sensor,diethylamine,0-15 PPM Sensor,diethylamine,0-15 PPM

SKU: ES-23RV-DEA

Price: $485.00
In Stock

Sensor,diethylamine,0-15 PPM,low humidity type Sensor,diethylamine,0-15 PPM,low humidity type

SKU: ES-23RVM-DEA

Price: $485.00
In Stock

Sensor,dimethylamine,0-15 PPM Sensor,dimethylamine,0-15 PPM

SKU: ES-23RV-DMA

Price: $485.00
In Stock

Sensor,dimethylamine,0-15 PPM,low humidity type Sensor,dimethylamine,0-15 PPM,low humidity type

SKU: ES-23RVM-DMA

Price: $485.00
In Stock

Sensor,Disilane,0-15PPM, GD-K8 Sensor,Disilane,0-15PPM, GD-K8

SKU: ES-23DH-SI2H6

Price: $485.00
In Stock

Sensor,ES-23RVM-EMA for TEMAH,0-15 PPM,low humidity type Sensor,ES-23RVM-EMA for TEMAH,0-15 PPM,low humidity type

SKU: ES-23RVM-TEMAH

Price: $485.00
In Stock

Sensor,Fluorine,0-3 PPM,low humidity tyipe,GD-K8 Sensor,Fluorine,0-3 PPM,low humidity tyipe,GD-K8

SKU: ES-K233L-F2

Price: $485.00
In Stock

Sensor,GEH4,0-0.8 PPM,GD-K8 Sensor,GEH4,0-0.8 PPM,GD-K8

SKU: ES-23DH-GEH4

Price: $485.00
In Stock

Sensor,H2 (hydrogen),0-2000 ppm,for GD-70D Sensor,H2 (hydrogen),0-2000 ppm,for GD-70D

SKU: ESU-23DHF-H2

Price: $525.00
In Stock

Sensor,H2 specific sensor/amp unit,0-100 %LEL H2 (hydrogen) default,GD-70D Sensor,H2 specific sensor/amp unit,0-100 %LEL H2 (hydrogen) default,GD-70D

SKU: NCU-6244A

Price: $415.00
In Stock

Sensor,H2 specific,0-4000 ppm,plug-in,SG-8541 Sensor,H2 specific,0-4000 ppm,plug-in,SG-8541

SKU: 61-0165RK-4000

Price: $441.00
In Stock

Sensor,H2 specific,1/2 inch NPT,silicone resistant,w/o guard Sensor,H2 specific,1/2 inch NPT,silicone resistant,w/o guard

SKU: NC-6205-02

Price: $420.00
In Stock

Sensor,H2O2, (hydrogen peroxide),0-3.00 PPM,for GD-70D Sensor,H2O2, (hydrogen peroxide),0-3.00 PPM,for GD-70D

SKU: ESU-23DH-H2O2

Price: $525.00
In Stock

Sensor,H2O2, (hydrogen peroxide),0-400 ppb,for GD-70D (Modification) Sensor,H2O2, (hydrogen peroxide),0-400 ppb,for GD-70D (Modification)

SKU: ESU-23DH-H2O2-1

Price: $525.00
In Stock

Sensor,H2S, 0-30 ppm Sensor,H2S, 0-30 ppm

SKU: ES-K237-H2S

Price: $485.00
In Stock

Sensor,H2S,7 Series,0-5000,10000ppm Max Overload Sensor,H2S,7 Series,0-5000,10000ppm Max Overload

SKU: 65-2032

Price: $213.00
In Stock

Sensor,H2S,ES-87R w/wires and connector,masked for 0-1000 ppm Sensor,H2S,ES-87R w/wires and connector,masked for 0-1000 ppm

SKU: ES-87RW-H2S-01

Price: $235.00
In Stock

Sensor,HBR (hydrogen bromide),0-9.00 PPM,for GD-70D,with HCl conversion factor Sensor,HBR (hydrogen bromide),0-9.00 PPM,for GD-70D,with HCl conversion factor

SKU: ESU-23E-HBR-G-9

Price: $515.00
In Stock

Sensor,HCl (hydrogen chloride),0-6.0 PPM,for GD-70D Sensor,HCl (hydrogen chloride),0-6.0 PPM,for GD-70D

SKU: ESU-K235-HCL-06

Price: $525.00
In Stock

Sensor,HCl (hydrogen chloride),0-6.0 PPM,for GD-70D,for low humidity use Sensor,HCl (hydrogen chloride),0-6.0 PPM,for GD-70D,for low humidity use

SKU: ESU-K235L-HCL-6

Price: $525.00
In Stock

Sensor,HCL,0-5 PPM,GD-K77D Sensor,HCL,0-5 PPM,GD-K77D

SKU: ESM-23E-HCL-05

Price: $505.00
In Stock

Sensor,HCL,0-6.00 PPM,for GD-K77D Sensor,HCL,0-6.00 PPM,for GD-K77D

SKU: ESM-K235L-HCL-6

Price: $505.00
In Stock

Sensor,HCN,0-15 ppm,F sensor package,for 9000 Series and Eagle 3 Sensor,HCN,0-15 ppm,F sensor package,for 9000 Series and Eagle 3

SKU: ESF-A24D-HCN

Price: $525.00
In Stock

Sensor,HF (hydrogen fluoride),0.4-3.00 PPM,for GD-70D (ESU-K233-S-EX) Sensor,HF (hydrogen fluoride),0.4-3.00 PPM,for GD-70D (ESU-K233-S-EX)

SKU: ESU-K233-HF-03

Price: $525.00
In Stock

Sensor,HF,0-9 PPM,GD-K8,low humidity Sensor,HF,0-9 PPM,GD-K8,low humidity

SKU: ES-K233L-HF

Price: $485.00
In Stock

Sensor,HI (hydrogen iodide),0-5.00 PPM,for GD-70D Sensor,HI (hydrogen iodide),0-5.00 PPM,for GD-70D

SKU: ESU-23E-HI

Price: $525.00
In Stock

Sensor,HI,0-5.0 PPM,for GD-K77D Sensor,HI,0-5.0 PPM,for GD-K77D

SKU: ESM-23E-HI

Price: $505.00
In Stock

Sensor,HNO3,0-20 PPM,GD-K8,made with Cl2 sensor Sensor,HNO3,0-20 PPM,GD-K8,made with Cl2 sensor

SKU: ES-K233-HNO3-C

Price: $485.00
In Stock

Sensor,HNO3,0-20.0 PPM,for GD-K77D Sensor,HNO3,0-20.0 PPM,for GD-K77D

SKU: ESM-K233-HNO3

Price: $505.00
In Stock

1039 products found. Showing 921 - 960