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Bộ phát tín hiệu xác định nồng độ khí
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Bộ phát tín hiệu xác định nồng độ khí

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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. The transmitters for LEL, H2 Specific, Oxygen, H2S, CO2, and Carbon Monoxide are explosion-proof with flame arrestors, and approved for use in hazardous areas (Class l, Groups B, C, D). An optional non-explosion proof version is available for oxygen, H2S, CO, and CO2 in non-hazardous atmospheres. LEL sensors are available using catalytic bead and infrared technologies.

The toxic sensors are electrochemical type plug-in sensors, which provide high specificity, fast response, and long life. The plug-in design allows quick replacement in the field with no tools required. Toxic sensors are designed for use in Class I, Div. 2 hazardous locations. Sensors available for Cl2, NH3, SO2, PH3, AsH3, and HCN.

The S2 transmitters can be used either indoors or outdoors. The flame arrestors for the explosion-proof versions utilize a patented coating which make them water repellent. Splash guards are also available for use in very wet environments.

All of the S2 transmitters are designed to interface with RKI controllers, or with PLC/DCS systems.

Features

  • Available for LEL, H2S, CO, PPM H2, and CO2
  • Available Toxic gases include Cl2, NH3, SO2, HCN, and more
  • Long life sensors (2 + years typical)
  • Water repellent patented sensor coating
  • Explosion proof construction for toxic sensors (Class I, Div. 1 for enclosure, Class I, Div. 2 for sensor)
  • Linear 4-20 mA output

Applications

  • Petrochemical Plants
  • Refineries
  • Gas Plants
  • Offshore Drilling Platforms
  • Water & wastewater treatment plants
  • Pulp & paper mills
  • Gas, telephone, & electric utilities
  • Parking garages
  • Manufacturing facilities
  • Steel
  • Automotive
  • Chemical storage buildings
  • Explosion Proof Specifications
  • Non-Explosion Proof Specifications
H2 MOS and Infrared CO2 CH4 HC versions are also available

Explosion Proof

LEL
General Purpose

LEL
H2 Specific

O2
Oxygen

H2S Hydrogen Sulfide

CO Carbon Monoxide

Part # 65-2405RK 65-2451RK 65-2322RK 65-2331RK 65-2336RK
65-2405RK-05 65-2451RK-05
Sensor Catalytic Galvanic cell Electrochemical
Measuring Range 0-100% LEL 0-100% LEL (H2 Specific) 0-25% Vol. 0-100 ppm 0-300 ppm
Lower Detectable Limit (LDL) 2% of full scale 0.1% Vol. 2% of full scale
Max Current Draw (24VDC) 200 mA (power wires) 25 mA (signal wires)
3 wires
20 mA max, 2 wires
Response Time (T-90) 30 Seconds 20 Seconds 20 Seconds 45 Seconds 30 Seconds
Accuracy +/- 5% of full scale (0.5% volume for oxygen)
Life
Expectancy
2 to 3 years with normal exposure to flammable gas 3-5 years with normal service 2-3 years with normal service

Operating Environment

Location Indoor or outdoor. Explosion proof for Class I, Div. 1, Groups B, C, and D.
Temperature -40°F to 167°F -40°C to 75°C -4°F to 113°F -20°C to 45°C -40°F to 104°F -40°C to 40°C 23°F to 104°F -5°C to 40°C
Humidity 0 - 99% RH, non condensing

Housing

Housing J Box Cast aluminum explosion proof, optional stainless steel J-box available
Sensor Stainless steel explosion proof

Controls

Zero Sets transmitter output to 4 mA with zero output from sensor
Span Sets transmitter output to proper level when span gas is applied
Output 4 - 20 mA signal
Operating Voltage 11 VDC to 30 VDC 19-30VDC (250 OHMS impedance max)
Approvals 65-2405RK UL 65-2451RK UL CSA NRTL
65-2405RK-05
C CSA US
65-2451RK-05
C CSA US
Controllers Compatible with the following controllers: Beacon 110, Beacon 200, Beacon 410, and 800, also PLC and DCS systems
Warranty One year materials and workmanship

Explosion Proof

MOS

IR


O2
Oxygen

CO2
Carbon Dioxide

CH4
Methane

HC
Hydrocarbons

Part # 65-2322RK 65-2396RK-02 65-2396RK-03
65-2396RK-05 65-2396RK-10
65-2394RK-CH4 65-2394RK-HC
Sensor Galvanic cell Infrared
Measuring Range 0-25% Vol. 0 - 5000 ppm 0 - 5% Vol. 0 - 50% Vol. 0 - 100% Vol. 0-100% LEL
Lower Detectable Limit (LDL) 0.1% Vol. 2% of full scale
Max Current Draw (24VDC) 20 mA max, 2 wires 60 mA (power wires) 25 mA (signal wires) 3 wires
Response Time (T-90) 20 Seconds 30 Seconds
Accuracy +/- 5% of full scale (0.5% volume for oxygen)
Life
Expectancy
2-3 years with normal service 5 years plus with normal service

Operating Environment

Location Indoor or outdoor. Explosion proof for Class I, Div. 1, Groups B, C, and D.
Temperature -4°F to 113°F -20°C to 45°C -4°F to 122°F -20°C to 50°C
Humidity 0 - 99% RH, non condensing
Housing
Housing J Box Cast aluminum explosion proof, optional stainless steel J-box available
Sensor Stainless steel explosion proof

Controls

Zero Sets transmitter output to 4 mA with zero output from sensor
Span Sets transmitter output to proper level when span gas is applied
Output 4 - 20 mA signal
Operating Voltage 19-30VDC (250 OHMS impedance max) 11 VDC to 30 VDC
Approvals CSA NRTL C UL US
Controllers Compatible with the following controllers: Beacon 110, Beacon 200, Beacon 410, and 800, also PLC and DCS systems
Warranty One year materials and workmanship

Non-Explosion Proof

O2 Oxygen

H2S Hydrogen Sulfide

CO Carbon Monoxide

Toxics See chart below

CO2 Carbon Dioxide

Part # 65-2321RK 65-2330RK 65-2335RK See chart
below
65-2397RK-02
65-2397RK-03
65-2397RK-05
65-2397RK-10
Sensor Galvanic cell Electrochemical Infrared
Measuring Range 0-25% Vol. 0-100 ppm 0-300 ppm See chart
below
0 - 5000 ppm
0 - 5% Vol.
0 - 50% Vol.
0 - 100% Vol.
Lower Detectable Limit (LDL) 0.1% Vol. 2% of full scale
Accuracy +/- 5% of full scale (0.5% volume for oxygen)
Life Expectancy 2 years normal
service
2 to 3 years with normal service 5 years plus with
normal service
Response Time (T-90) 20 Seconds 45 Seconds 30 Seconds 60 Seconds 30 Seconds

Operating Environment

Location Indoor Class I, Div. 2
Temperature -4°F to 122°F -20°C to 50°C 14°F to 104°F -10°C to 40°C -4°F to 122°F -20°C to 50°C
Humidity 0 - 99% RH non condensing 5-95% RH 0 - 99% RH
non condensing

Housing

Housing J-Box Cast aluminum, explosion-proof
Sensor Plastic or aluminum
Controls
Zero Sets transmitter output to 4 mA with zero output from sensor
Span Sets transmitter output to 20 mA with full scale output from sensor
Operating Voltage 19 VDC to 30 VDC
Output 4-20 mA signal
Controllers Compatible with the following controllers: Beacon 110, Beacon 200, Beacon 410, and 800, also PLC and DCS systems
Warranty One year materials and workmanship

 

S2 toxic sensor

Non Explosion Proof Toxic Assemblies

Ordering Information

Part Number

Gas

Range

65-2340RK-ASH3 Arsine (AsH3) 0 - 1.5 ppm
65-2340RK-NH3 Ammonia (NH3) 0 - 75 ppm
65-2340RK-Cl2 Chlorine (Cl2) 0 - 3.00 ppm
65-2340RK-HCN Hydrogen Cyanide (HCN) 0 - 15 ppm
65-2340RK-PH3 Phosphine (PH3) 0 - 1.00 ppm
65-2340RK-SO2 Sulfur Dioxide (SO2) 0 - 6.00 ppm

Direct Interface with Beacon 110 / 200 / 410 / 800 Controllers

S2 Wiring Matrix

S2 Transmitter
Number of Wires to Controller
Maximum Distance to Controller
18 AWG wire
16 AWG wire
14 AWG wire
LEL / IR / CO2
3
2500 ft.
5,000 ft.
8,000 ft.
Oxygen
2
2500 ft.
5,000 ft.
8,000 ft.
H2S
2
2500 ft.
5,000 ft.
8,000 ft.
CO
2
2500 ft.
5,000 ft.
8,000 ft.
Toxics
2
2500 ft.
5,000 ft.
8,000 ft.

* Specifications subject to change without notice.
Made in the USA





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Thông số kỹ thuật: + Dung tích: phi 25. 



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Hệ thống chiết suất siêu tới hạn (SFE 



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Khí Carbon Monoxide (CO), là m 



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