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 201 - 240

Click Image For More Details
RAE Systems C03-0912-000 PID sensor (0.1 - 2,000 ppm; 0.1 ppm res.; 10.6 eV lamp) by Honeywell

SKU: RAE-C03-0912-000

Price: $969.43
In Stock


Click Image For More Details
RAE Systems C03-0912-010 PID sensor (0.1 - 2,000 ppm; 0.1 ppm res.; 9.8 eV lamp)? by Honeywell

SKU: RAE-C03-0912-010

Price: $924.00
In Stock


Click Image For More Details
RAE Systems C03-0953-000 Hydrogen Fluoride (HF) sensor by Honeywell

SKU: RAE-C03-0953-000

Price: $1,301.30
In Stock


Click Image For More Details
RAE Systems G02-0007-000 NDIR Sensor (200 - 50,000ppm, 100ppm res.) / Datalogging / Non-Wireless by Honeywell

SKU: RAE-G02-0007-000

Price: $1,617.88
In Stock


Click Image For More Details
RAE Systems G02-0009-000 NDIR Sensor (200 - 50,000ppm, 100ppm res.) / Datalogging / Wireless (900 MHz) by Honeywell

SKU: RAE-G02-0009-000

Price: $2,002.53
In Stock


Click Image For More Details
RAE Systems G02-0304-000 10.6 eV PID sensor maintenance kit (includes sensor cap, electrode panel, and sensor cap removal tool) by Honeywell

SKU: RAE-G02-0304-000

Price: $56.00
In Stock


Click Image For More Details
RAE Systems G02-0304-100 9.8 eV PID sensor maintenance kit (includes sensor cap, electrode panel, and sensor cap removal tool) by Honeywell

SKU: RAE-G02-0304-100

Price: $53.00
In Stock

Remote sensor mounting kit for Air Alert, non-explosion proof (order cable separately) Remote sensor mounting kit for Air Alert, non-explosion proof (order cable separately)

SKU: 61-2000

Price: $209.00
In Stock

Remote sensor mounting kit, explosion proof for AirLink Alert/AirLink 6940NXP (order cable separate) Remote sensor mounting kit, explosion proof for AirLink Alert/AirLink 6940NXP (order cable separate)

SKU: 61-2002

Price: $209.00
In Stock

Remote sensor mounting kit, explosion proof with 5-pin connector for T3A/AirLink T3A/VOC Pro/AirLink VOC Pro (order cable separate) Remote sensor mounting kit, explosion proof with 5-pin connector for T3A/AirLink T3A/VOC Pro/AirLink VOC Pro (order cable separate)

SKU: 61-2001

Price: $451.00
In Stock

Remote sensor mounting kit, explosion proof with 7-pin connector for T2A/AirLink 6900/AirLink 6940XP (order cable separate) Remote sensor mounting kit, explosion proof with 7-pin connector for T2A/AirLink 6900/AirLink 6940XP (order cable separate)

SKU: 61-2003

Price: $451.00
In Stock


Click Image For More Details
Replacement Sensors for GX-2003 O2,H2S,CO,LEL

SKU: GX-2003-Sensor

Price: $0.01
In Stock

View More


Click Image For More Details
rki 60-5009rk gas detector sensor, lel filaments only for sp-237h by rki instruments

SKU: T-RKI-60-5009RK

Price: $70.00
In Stock

S-Series Carbon Dioxide (CO2) 0-5,000 ppm, IR sensor / transmitter with j-box, UL version S-Series Carbon Dioxide (CO2) 0-5,000 ppm, IR sensor / transmitter with j-box, UL version

SKU: 65-2391RK-02

Price: $1,260.00
In Stock

S-Series Carbon Dioxide (CO2) 0-5%, IR sensor / transmitter with j-box, UL version S-Series Carbon Dioxide (CO2) 0-5%, IR sensor / transmitter with j-box, UL version

SKU: 65-2391RK-03

Price: $1,260.00
In Stock

S-Series Carbon Dioxide (CO2) 0-50%, IR sensor / transmitter with j-box, UL version S-Series Carbon Dioxide (CO2) 0-50%, IR sensor / transmitter with j-box, UL version

SKU: 65-2391RK-05

Price: $1,260.00
In Stock

S-Series Carbon Monoxide (CO) sensor / transmitter with j-box, CSA version S-Series Carbon Monoxide (CO) sensor / transmitter with j-box, CSA version

SKU: 65-2432RK-05

Price: $1,185.00
In Stock

S-Series Hydrocarbon (isobutane) 0-100% LEL, IR sensor / transmitter with j-box, UL version S-Series Hydrocarbon (isobutane) 0-100% LEL, IR sensor / transmitter with j-box, UL version

SKU: 65-2390RK-HC

Price: $1,260.00
In Stock

S-Series Hydrogen Sulfide (H2S) sensor / transmitter with explosion proof j-box, CSA version S-Series Hydrogen Sulfide (H2S) sensor / transmitter with explosion proof j-box, CSA version

SKU: 65-2422RK-05

Price: $1,185.00
In Stock

S-Series LEL Hydrogen (H2) specific sensor / transmitter with explosion proof j-box, CSA version S-Series LEL Hydrogen (H2) specific sensor / transmitter with explosion proof j-box, CSA version

SKU: 65-2450RK-05

Price: $1,335.00
In Stock

S-Series LEL Hydrogen (H2) specific sensor / transmitter with explosion proof j-box, UL version S-Series LEL Hydrogen (H2) specific sensor / transmitter with explosion proof j-box, UL version

SKU: 65-2450RK

Price: $1,105.00
In Stock

S-Series LEL sensor (catalytic) / transmitter with explosion proof j-box, CSA version S-Series LEL sensor (catalytic) / transmitter with explosion proof j-box, CSA version

SKU: 65-2400RK-05

Price: $1,055.00
In Stock

S-Series LEL sensor (catalytic) / transmitter with explosion proof j-box, UL version S-Series LEL sensor (catalytic) / transmitter with explosion proof j-box, UL version

SKU: 65-2400RK

Price: $995.00
In Stock

S-Series Methane (CH4) 0-100% LEL, IR sensor / transmitter with j-box, UL version S-Series Methane (CH4) 0-100% LEL, IR sensor / transmitter with j-box, UL version

SKU: 65-2390RK-CH4

Price: $1,260.00
In Stock

S-Series Oxygen (O2) sensor (capillary type) / transmitter, explosion proof with conduit mounting j-box, CSA version S-Series Oxygen (O2) sensor (capillary type) / transmitter, explosion proof with conduit mounting j-box, CSA version

SKU: 65-2516RK

Price: $995.00
In Stock

S-Series Oxygen (O2) sensor (partial pressure type) / transmitter / j-box (non explosion proof) S-Series Oxygen (O2) sensor (partial pressure type) / transmitter / j-box (non explosion proof)

SKU: 65-2504RK

Price: $891.00
In Stock

S2 detector/amp/j-box,CSA XP,oxy,capillary sensor,0 - 25% vol,w/remote detector/splash guard/SS jbox S2 detector/amp/j-box,CSA XP,oxy,capillary sensor,0 - 25% vol,w/remote detector/splash guard/SS jbox

SKU: 65-2322-04SS

Price: $985.00
In Stock

S2 detector/amp/j-box,oxygen,partial pressure sensor,0 - 25% volume,CO2 resistant OS-C11 sensor S2 detector/amp/j-box,oxygen,partial pressure sensor,0 - 25% volume,CO2 resistant OS-C11 sensor

SKU: 65-2320RK-C

Price: $1,114.00
In Stock

S2 detector/amp/j-box,oxygen,partial pressure TFX sensor,0 - 25% volume, w/remote det/cal adpt S2 detector/amp/j-box,oxygen,partial pressure TFX sensor,0 - 25% volume, w/remote det/cal adpt

SKU: 65-2320RK-TFX-4

Price: $977.00
In Stock

S2 detector/amp/stainless steel j-box,non XP,oxygen,capillary sensor,0 - 25% volume S2 detector/amp/stainless steel j-box,non XP,oxygen,capillary sensor,0 - 25% volume

SKU: 65-2321SS

Price: $695.00
In Stock

S2 detector/amp/XP Stainless Steel j-box,CSA XP,oxygen,capillary sensor,0 - 25% volume S2 detector/amp/XP Stainless Steel j-box,CSA XP,oxygen,capillary sensor,0 - 25% volume

SKU: 65-2322RKSS

Price: $830.00
In Stock

S2 detector/transmitter/j-box, IR, 0 - 9,000 ppm CO2, non-explosion proof, replaceable sensor S2 detector/transmitter/j-box, IR, 0 - 9,000 ppm CO2, non-explosion proof, replaceable sensor

SKU: 65-2397RK-01

Price: $985.00
In Stock

S2 detector/transmitter/j-box,IR,0 - 5% CO2,non XP w/replaceable sensor,remote mount S2 detector/transmitter/j-box,IR,0 - 5% CO2,non XP w/replaceable sensor,remote mount

SKU: 65-2397-03-04

Price: $1,350.00
In Stock

S2 Series Ammonia (NH3) 0 - 100 ppm, CT-7 style sensor / transmitter, non explosion proof with j-box S2 Series Ammonia (NH3) 0 - 100 ppm, CT-7 style sensor / transmitter, non explosion proof with j-box

SKU: 65-2341-NH3-1

Price: $1,205.00
In Stock

S2 Series Ammonia (NH3) 0 - 200 ppm, CT-7 style sensor / transmitter, non explosion proof with j-box S2 Series Ammonia (NH3) 0 - 200 ppm, CT-7 style sensor / transmitter, non explosion proof with j-box

SKU: 65-2341-NH3-2

Price: $1,205.00
In Stock

S2 Series Ammonia (NH3) 0 - 500 ppm, CT-7 style sensor / transmitter, non explosion proof with j-box S2 Series Ammonia (NH3) 0 - 500 ppm, CT-7 style sensor / transmitter, non explosion proof with j-box

SKU: 65-2341-NH3-5

Price: $1,205.00
In Stock

S2 Series Ammonia (NH3) 0 - 75 ppm, CT-7 style sensor / transmitter, non explosion proof with j-box S2 Series Ammonia (NH3) 0 - 75 ppm, CT-7 style sensor / transmitter, non explosion proof with j-box

SKU: 65-2341-NH3-75

Price: $1,205.00
In Stock

S2 Series Ammonia (NH3) 0-75 ppm sensor / transmitter, non explosion proof with j-box S2 Series Ammonia (NH3) 0-75 ppm sensor / transmitter, non explosion proof with j-box

SKU: 65-2340RK-NH3

Price: $880.00
In Stock

S2 Series Arsine (AsH3) 0-1.5 ppm sensor / transmitter, non explosion proof with j-box S2 Series Arsine (AsH3) 0-1.5 ppm sensor / transmitter, non explosion proof with j-box

SKU: 65-2340RK-ASH3

Price: $880.00
In Stock

S2 Series Capillary type, Oxygen (O2) 0-25 sensor/transmitter, explosion proof with j-box, CSA version S2 Series Capillary type, Oxygen (O2) 0-25 sensor/transmitter, explosion proof with j-box, CSA version

SKU: 65-2322RK

Price: $730.00
In Stock

1039 products found. Showing 201 - 240