RKI S2 Series Combustible Gas Transmitters

The RKI S2 series gas sensor/transmitters are highly reliable and very cost effective for the detection of common gas hazards. The S2 series are available for LEL, H2 Specific (LEL, and ppm), Oxygen, H2S, CO, and for a variety of toxic gases.


RKI 61-0160RK Replacement Hydrogen Sensor for the S2 series, 0 to 2000 ppm, UL version-

RKI 61-0160RK Replacement Hydrogen Sensor for the S2 series, 0 to 2000 ppm, UL version
Model: 61-0160RK

Your Price $420.00 USD
Availability 40 in Stock

Qty:

Your Price $420.00 USD
Availability 40 in Stock
Quantity

RKI 65-2322RK S2 Series Capillary Type Oxygen Sensor/Transmitter with explosion proof J-box, 0 to 25%, CSA version-

RKI 65-2322RK S2 Series Capillary Type Oxygen Sensor/Transmitter with explosion proof J-box, 0 to 25%, CSA version
Model: 65-2322RK

Your Price $730.00 USD
Availability 5 to 6 Weeks

Qty:

Your Price $730.00 USD
Availability 5 to 6 Weeks
Quantity

RKI 65-2330RK S2 Series Hydrogen Sulfide Sensor/Transmitter with non explosion proof J-box, 0 to 100 ppm-

RKI 65-2330RK S2 Series Hydrogen Sulfide Sensor/Transmitter with non explosion proof J-box, 0 to 100 ppm
Model: 65-2330RK

Your Price $730.00 USD
Availability 2 to 3 Weeks

Qty:

Your Price $730.00 USD
Availability 2 to 3 Weeks
Quantity

RKI 65-2331RK S2 Series Hydrogen Sulfide Sensor/Transmitter with explosion proof J-box, 0 to 100 ppm, CSA version-

RKI 65-2331RK S2 Series Hydrogen Sulfide Sensor/Transmitter with explosion proof J-box, 0 to 100 ppm, CSA version
Model: 65-2331RK

Your Price $860.00 USD
Availability 2 to 3 Weeks

Qty:

Your Price $860.00 USD
Availability 2 to 3 Weeks
Quantity

RKI 65-2335RK S2 Series Carbon Monoxide Sensor/Transmitter with non explosion proof J-box, 0 to 300 ppm-

RKI 65-2335RK S2 Series Carbon Monoxide Sensor/Transmitter with non explosion proof J-box, 0 to 300 ppm
Model: 65-2335RK

Your Price $730.00 USD
Availability 2 to 3 Weeks

Qty:

Your Price $730.00 USD
Availability 2 to 3 Weeks
Quantity

RKI 65-2336RK S2 Series Carbon Monoxide Sensor/Transmitter with explosion proof with J-box, 0 to 300 ppm, CSA version-

RKI 65-2336RK S2 Series Carbon Monoxide Sensor/Transmitter with explosion proof with J-box, 0 to 300 ppm, CSA version
Model: 65-2336RK

Your Price $860.00 USD
Availability 2 to 3 Weeks

Qty:

Your Price $860.00 USD
Availability 2 to 3 Weeks
Quantity

RKI 65-2340RK-ASH3 S2 Series Arsine Sensor/Transmitter with non explosion proof J-box, 0 to 1.5 ppm-

RKI 65-2340RK-ASH3 S2 Series Arsine Sensor/Transmitter with non explosion proof J-box, 0 to 1.5 ppm
Model: 65-2340RK-ASH3

Your Price $880.00 USD
Availability 2 to 3 Weeks

Qty:

Your Price $880.00 USD
Availability 2 to 3 Weeks
Quantity

RKI 65-2340RK-HCN S2 Series Hydrogen Cyanide Sensor/Transmitter with non explosion proof J-box, 0 to 15 ppm-

RKI 65-2340RK-HCN S2 Series Hydrogen Cyanide Sensor/Transmitter with non explosion proof J-box, 0 to 15 ppm
Model: 65-2340RK-HCN

Your Price $880.00 USD
Availability 2 to 3 Weeks

Qty:

Your Price $880.00 USD
Availability 2 to 3 Weeks
Quantity

RKI 65-2340RK-NH3 S2 Series Ammonia Sensor/Transmitter with non explosion proof J-box, 0 to 75 ppm-

RKI 65-2340RK-NH3 S2 Series Ammonia Sensor/Transmitter with non explosion proof J-box, 0 to 75 ppm
Model: 65-2340RK-NH3

Your Price $880.00 USD
Availability 2 to 3 Weeks

Qty:

Your Price $880.00 USD
Availability 2 to 3 Weeks
Quantity

RKI 65-2340RK-PH3 S2 Series Phosphine Sensor/Transmitter with non explosion proof J-box, 0 to 1 ppm-

RKI 65-2340RK-PH3 S2 Series Phosphine Sensor/Transmitter with non explosion proof J-box, 0 to 1 ppm
Model: 65-2340RK-PH3

Your Price $880.00 USD
Availability 2 to 3 Weeks

Qty:

Your Price $880.00 USD
Availability 2 to 3 Weeks
Quantity

RKI 65-2340RK-SO2 S2 Series Sulfur Dioxide Sensor/Transmitter with non explosion proof J-box, 0 to 6 ppm-

RKI 65-2340RK-SO2 S2 Series Sulfur Dioxide Sensor/Transmitter with non explosion proof J-box, 0 to 6 ppm
Model: 65-2340RK-SO2

Your Price $880.00 USD
Availability 2 to 3 Weeks

Qty:

Your Price $880.00 USD
Availability 2 to 3 Weeks
Quantity

RKI 65-2341-CL2 Chlorine Sensor, 0 to 3 ppm, non-explosion proof with J-box-

RKI 65-2341-CL2 Chlorine Sensor, 0 to 3 ppm, non-explosion proof with J-box
Model: 65-2341-CL2

Your Price $995.00 USD
Availability 2 to 3 Weeks

Qty:

Your Price $995.00 USD
Availability 2 to 3 Weeks
Quantity

RKI 65-2341-CL2-10 Chlorine Sensor,  0 to 10 ppm,  non-explosion proof-

RKI 65-2341-CL2-10 Chlorine Sensor, 0 to 10 ppm, non-explosion proof
Model: 65-2341-CL2-10

Your Price $1205.00 USD
Availability 2 to 3 Weeks

Qty:

Your Price $1205.00 USD
Availability 2 to 3 Weeks
Quantity

RKI 65-2341-CLO2 Chlorine Dioxide Sensor, 0 to 1 ppm, non explosion proof-

RKI 65-2341-CLO2 Chlorine Dioxide Sensor, 0 to 1 ppm, non explosion proof
Model: 65-2341-CLO2

Your Price $1095.00 USD
Availability 2 to 3 Weeks

Qty:

Your Price $1095.00 USD
Availability 2 to 3 Weeks
Quantity

RKI 65-2394RK-CH4 S2 Series IR Methane Sensor/Transmitter with explosion proof J-box, 0 to 100% LEL-

RKI 65-2394RK-CH4 S2 Series IR Methane Sensor/Transmitter with explosion proof J-box, 0 to 100% LEL
Model: 65-2394RK-CH4

Your Price $1095.00 USD
Availability 1 to 2 Weeks

Qty:

Your Price $1095.00 USD
Availability 1 to 2 Weeks
Quantity

RKI 65-2394RK-CH4-4 S2 IR Methane Sensor/Transmitter with J-box and remote detector, 0 to 100% LEL-

RKI 65-2394RK-CH4-4 S2 IR Methane Sensor/Transmitter with J-box and remote detector, 0 to 100% LEL
Model: 65-2394RK-CH4-4

Your Price $1250.00 USD
Availability 3 to 4 Weeks

Qty:

Your Price $1250.00 USD
Availability 3 to 4 Weeks
Quantity

RKI 65-2394RK-HC S2 Series IR Hydrocarbon Sensor/Transmitter with explosion proof J-box, 0 to 100% LEL-

RKI 65-2394RK-HC S2 Series IR Hydrocarbon Sensor/Transmitter with explosion proof J-box, 0 to 100% LEL
Model: 65-2394RK-HC

Your Price $1095.00 USD
Availability 4 to 5 Weeks

Qty:

Your Price $1095.00 USD
Availability 4 to 5 Weeks
Quantity

RKI 65-2396RK-02 S2 Series IR Carbon Dioxide Sensor/Transmitter with explosion proof J-box, 0 to 5,000 ppm, UL-

RKI 65-2396RK-02 S2 Series IR Carbon Dioxide Sensor/Transmitter with explosion proof J-box, 0 to 5,000 ppm, UL
Model: 65-2396RK-02

Your Price $1095.00 USD
Availability 2 to 3 Weeks

Qty:

Your Price $1095.00 USD
Availability 2 to 3 Weeks
Quantity

RKI 65-2396RK-03 S2 Series IR Carbon Dioxide Sensor/Transmitter with explosion proof J-box, 0 to 5%, UL-

RKI 65-2396RK-03 S2 Series IR Carbon Dioxide Sensor/Transmitter with explosion proof J-box, 0 to 5%, UL
Model: 65-2396RK-03

Your Price $1095.00 USD
Availability 2 to 3 Weeks

Qty:

Your Price $1095.00 USD
Availability 2 to 3 Weeks
Quantity

RKI 65-2396RK-05 S2 Series IR Carbon Dioxide Sensor/Transmitter with explosion proof J-box, 0 to 50%, UL-

RKI 65-2396RK-05 S2 Series IR Carbon Dioxide Sensor/Transmitter with explosion proof J-box, 0 to 50%, UL
Model: 65-2396RK-05

Your Price $1095.00 USD
Availability 2 to 3 Weeks

Qty:

Your Price $1095.00 USD
Availability 2 to 3 Weeks
Quantity