Bootstrap Example
Explosion Proof Gas Sensor / Transmitter S2 Series

Highly Reliable & Competitively Priced!

Features
• Available gases include LEL, H2S, CO, PPM H2, and CO2
• Toxic gases include Cl2, NH3, SO2, HCN and more
• Infrared sensor for combustibles and CO2
• Hydrogen-Specific not available
• Patented water repellent sensor coating
• 4 - 20 mA output
• Explosion proof construction

Gas Part NumberMeasuring RangeMax. Current Draw
(24 V DC)
Response Time
(T-90)
Life ExpectancyLocationOutput
LEL
General Purpose
RK-65-2405RK-05
0 - 100% LEL200 mA (power wires) 25 mA
(signal wires) 3 wires
30 seconds2 - 3 years w/
normal exposure
to flammable gas
Indoor or Outdoor;
Explosion Proof
for Class I, Div. 1,
Groups B, C & D
4 - 20 mA
signal
LEL
H2 Specific
RK-65-2451RK-05
0 - 100% LEL
(H2 Specific)
200 mA (power wires) 25 mA
(signal wires) 3 wires
20 seconds 2 - 3 years w/
normal service
4 - 20 mA
signal
H2 PPM
Hydrogen
RK-65-2442RK-2000
0 - 200 ppm200 mA (power wires) 25 mA
(signal wires) 3 wires
45 seconds5 years plus w/
normal service
4 - 20 mA
signal
O2
Oxygen
RK-65-2322RK
0 - 25% Vol.20 mA max., 2 wires20 seconds2 - 3 years w/
normal service
4 - 20 mA
signal
H2S
Hydrogen Sulfide
RK-65-2331RK
0 - 100 ppm20 mA max., 2 wires45 seconds2 - 3 years w/
normal servivce
4 - 20 mA
signal
CO
Carbon Monoxide
RK-65-2336RK
0 - 300 ppm20 mA max., 2 wires30 seconds2 - 3 years w/
normal servivce
4 - 20 mA
signal
CH4
Methane
RK-65-2394RK-CH4
0 - 100% LEL60 mA (power wires)
25 mA (signal wires) 3 wires
30 seconds5 years plus w/
normal service
4 - 20 mA
signal
HC
Hydrocarbons
RK-65-2394RK-HC
0 - 100% LEL60 mA (power wires)
25 mA (signal wires) 3 wires
30 seconds5 years plus w/
normal service
4 - 20 mA
signal
Model Item Quantity Unit Price Line Total
RK-65-2405RK-05 - Explosion Proof Gas Sensor / Transmitter S2 Series
$ 0.00
RK-65-2451RK-05 - Explosion Proof Gas Sensor / Transmitter S2 Series
$ 0.00
RK-65-2442RK-2000 - Explosion Proof Gas Sensor / Transmitter S2 Series
$ 0.00
RK-65-2322RK - Explosion Proof Gas Sensor / Transmitter S2 Series
$ 0.00
RK-65-2331RK - Explosion Proof Gas Sensor / Transmitter S2 Series
$ 0.00
RK-65-2336RK - Explosion Proof Gas Sensor / Transmitter S2 Series
$ 0.00
RK-65-2394RK-CH4 - Explosion Proof Gas Sensor / Transmitter S2 Series
$ 0.00
RK-65-2394RK-HC - Explosion Proof Gas Sensor / Transmitter S2 Series
$ 0.00
$ 0.00

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