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The RKI S series gas sensor/transmitters are highly reliable and cost effective basic 4-20 mA transmitters for the detection of common gas hazards. The S series transmitters are available for LEL (catalytic), LEL (IR) CH4, LEL (IR) HC, O2, H2S, CO, or CO2 (IR). The electronics are encased inside a potted package to avoid damage from mechanical abuse or corrosion, and this assembly is installed inside an explosion-proof enclosure. All sensors are explosion-proof with flame arrestors and approved for use in hazardous atmospheres. The S series transmitters can be used either indoors or outdoors. The flame arrestors utilize a patented coating which make them water repellent, and splash guards are also available for use in very wet environments. The transmitter operates from 24 VDC (11VDC to 30 VDC), and provides a 4-20mA signal which can be connected to a wide variety of controllers.
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S-Series LEL sensor / transmitter with explosion proof j-box, UL version S-Series Oxygen (O2) sensor (capillary type) / transmitter, j-box (non explosion proof)
Our Price: $550.00
Our Price: $595.00
S-Series LEL sensor / transmitter with explosion proof j-box, UL version S-Series Oxygen (O2) sensor (capillary type) / transmitter, j-box (non explosion proof)
S-Series LEL sensor / transmitter with explosion proof j-box, UL version S-Series Oxygen (O2) sensor (capillary type) / transmitter, j-box (non explosion proof)
S-Series LEL sensor / transmitter with explosion proof j-box, CSA version S-Series LEL Hydrogen (H2) specific sensor / transmitter with explosion proof j-box, UL version
Our Price: $600.00
Our Price: $625.00
S-Series LEL sensor / transmitter with explosion proof j-box, CSA version S-Series LEL Hydrogen (H2) specific sensor / transmitter with explosion proof j-box, UL version
S-Series LEL sensor / transmitter with explosion proof j-box, CSA version S-Series LEL Hydrogen (H2) specific sensor / transmitter with explosion proof j-box, UL version
S-Series Hydrogen Sulfide (H2S) sensor / transmitter with explosion proof j-box, CSA version S-Series Carbon Monoxide (CO) sensor / transmitter with j-box, CSA version
Our Price: $675.00
Our Price: $675.00
S-Series Hydrogen Sulfide (H2S) sensor / transmitter with explosion proof j-box, CSA version S-Series Carbon Monoxide (CO) sensor / transmitter with j-box, CSA version
S-Series Hydrogen Sulfide (H2S) sensor / transmitter with explosion proof j-box, CSA version S-Series Carbon Monoxide (CO) sensor / transmitter with j-box, CSA version
S-Series LEL Hydrogen (H2) specific sensor / transmitter with explosion proof j-box, CSA version S-Series Oxygen (O2) sensor (capillary type) / transmitter, explosion proof with conduit mounting and j-box
Our Price: $675.00
Our Price: $675.00
S-Series LEL Hydrogen (H2) specific sensor / transmitter with explosion proof j-box, CSA version S-Series Oxygen (O2) sensor (capillary type) / transmitter, explosion proof with conduit mounting and j-box
S-Series LEL Hydrogen (H2) specific sensor / transmitter with explosion proof j-box, CSA version S-Series Oxygen (O2) sensor (capillary type) / transmitter, explosion proof with conduit mounting and j-box
S-Series PPM Hydrocarbon sensor / transmitter, MOS, S-Series IR, % LEL Methane (CH4), sensor / transmitter with j-box, UL v
Our Price: $795.00
Our Price: $1,025.00
S-Series PPM Hydrocarbon sensor / transmitter, MOS, S-Series IR, % LEL Methane (CH4), sensor / transmitter with j-box, UL v
S-Series PPM Hydrocarbon sensor / transmitter, MOS, (0-500 ppm typical) with linearizing amplifier and explosion proof j-box, UL version S-Series IR, % LEL Methane (CH4), sensor / transmitter with j-box, UL v
S-Series IR, % LEL Hydrocarbon (isobutane), sensor / transmitter with j-box, UL version
Our Price: $1,025.00
S-Series IR, % LEL Hydrocarbon (isobutane), sensor / transmitter with j-box, UL version
S-Series IR, % LEL Hydrocarbon (isobutane), sensor / transmitter with j-box, UL version
   
 
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