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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 M2™ is a state-of-the-art transmitter that can operate as an independent, stand-alone system or as part of an integrated system. The M2 connects with an analog or digital signal to virtually any controller, PLC, or DCS. Setup procedures are simplified with user friendly push buttons and LCD menus. It utilizes a magnetic wand technique for performing non-intrusive calibration. The M2 provides an automatic zero drift correction feature, which results in more stable readings and reduces the need for adjustments due to sensor aging.

The housing of the M2 does not need to be opened for zeroing or calibration, making it unnecessary to declassify the area for routine maintenance. It is designed so that a complete field calibration can be performed by one person. Sensor construction is rated Class I, Div. 1 groups B, C, D for flammables, CO, H2S, O2, and CO2, and Class I, Div. 2 for all other toxics.

The transmitter provides a 4-20 mA output in addition to a Modbus digital output. It also has two levels of alarms with relays, plus a fail alarm with relay. A digital display of the gas concentration, as well as alarm and status lights, can be viewed through the front window.

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 M2 represents the latest leading edge technology in sensor / transmitters today.

Features

  • Operates with or without a controller
  • Direct digital readout on backlit LCD
  • Available gases include
    ? LEL, H2S, CO, PPM HC, and CO2
    ? Toxic gases include Cl2, NH3, SO2, HCN, and more
  • Infrared sensor for combustibles and CO2
  • 4-20 mA & digital Modbus outputs standard
  • 2 fully programmable alarm relays & fail relay
  • Non-intrusive calibration via magnetic wand
  • Explosion proof construction
  • Patented water repellent sensor cover
  • User friendly setup, push buttons & LCD menus
  • Long-life sensors (2 + years typical)

Applications

  • Petrochemical plants
  • Refineries
  • Offshore drilling platforms
  • Water & wastewater treatment plants
  • Offshore oil rigs
  • Pulp & paper mills
  • Gas, telephone, & electric utilities
  • Parking garages
  • Manufacturing facilities
  • Steel
  • Automotive

Explosion Proof Specifications

  • Explosion Proof
  • IR Sensors
  • Non Explosion Proof
  • Toxic Sensors

Explosion Proof Sensors

LEL
General Purpose

LEL
H2 Specific

O2
Oxygen

H2S
Hydrogen Sulfide

CO
Carbon Monoxide

Part# 65-2610RK 65-2611RK 65-2613RK-05 65-2615RK-05 65-2616RK-05
65-2610RK-05 65-2611RK-05
Sensors Catalytic Galvanic cell Electrochemical
Measuring Ranges 0 - 100 % LEL 0 - 25.0% Vol. 0 - 100 ppm 0 - 300 ppm
Resolution 1% LEL 0.1% Vol. 1 ppm
Lower Detectable Limit (LDL) 2% of full scale 0.1% Vol. 2% of full scale
Response Time (T-90) 35 Seconds or less
Accuracy +/- 5% of full scale (0.5% Volume for oxygen)
Life Expectancy 2 to 3 years with normal service 3 to 5 years with normal service 2 to 3 years with normal service
Weather Resistant Patented water repellent sensor coating

Alarms

Alarm Settings Two fully programmable alarm set points, increasing / decreasing, latching / self-resetting, on delays, off delays, normally energized or de-energized
Alarm Indication Visual LEDs. Alarm 1, Amber; Alarm 2, Red; Fail, Red
Relays 5 amp form ‘C’ contacts for alarm 1, alarm 2, and fail

Physical

Dimensions Height: 8.5” (215 mm), Width: 5.2” (132 mm), Depth: 4.5” (114 mm)
Display Alphanumeric display with backlighting. 8 characters per line;
2 lines for gas concentration readout, plus user-friendly calibration and setup
Enclosure Explosion proof for Class I, Div 1, Groups B, C, D.
Enclosure Rating NEMA 4X, explosion proof, watertight, cast aluminum with o-ring seal and epoxy powder coating
Controls Magnet used for calibration functions. Calibrates without opening the housing. Internal push-button controls also available for calibration and setup

Operating Environment

Operating Temperature -4°F to 122°F
-20°C to 50°C
Relative Humidity 5 - 95% RH non-condensing
Location Indoor or outdoor. Explosion proof for Class I, Div. 1,
Groups B, C, D.
Operating Voltage 19 VDC - 30 VDC, 12 VOC versions available

Outputs

Analog 4-20 mA signal, into 500 ohms impedance max, corresponding to 0 - full scale
Digital Modbus RTU output standard, fully configurable, 2-wire RS-485, 1200 to 19.2k baud
Approvals 65-2610RK-05 UL 65-2611RK UL CSA NRTL
65-2610RK-05
C CSA US
65-2611RK-05
C CSA US
Controllers Compatible with all RKI Beacon controllers, as well as most DCS / PLC systems:
Beacon 110, Beacon 200, Beacon 410, Beacon 800, and Pioneer 4W and Pioneer 16R
Warranty One year material and workmanship

Explosion Proof IR Sensors

CO2
Carbon Dioxide

CH4
Methane

HC
Hydrocarbons

Part# 65-2630RK-02
65-2630RK-03
65-2630RK-05
65-2630RK-10
65-2619RK-CH4
65-2628RK-CH4
65-2619RK-HC
Sensors Infrared
Measuring Ranges -02
-03
-05
-10
0 - 5000 ppm
0 - 5% Vol.
0 - 50% Vol.
0 - 100% Vol.

0 - 100% LEL 0 - 100% Vol.

0 - 100% LEL
Resolution 20 ppm / 0.1% Vol. 1% LEL
Lower Detectable Limit (LDL) 2% of full scale
Response Time (T-90) 30 Seconds or less
Accuracy +/- 5% of full scale (0.5% Volume for oxygen)
Life Expectancy 5 years plus with normal service
Weather Resistant Patented water repellent sensor coating

Alarms

Alarm Settings Two fully programmable alarm set points, increasing / decreasing, latching /
self-resetting, on delays, off delays, normally energized or de-energized
Alarm Indication Visual LEDs. Alarm 1, Amber; Alarm 2, Red; Fail, Red
Relays 5 amp form ‘C’ contacts for alarm 1, alarm 2, and fail

Physical

Dimensions Height: 8.5” (215 mm), Width: 5.2” (132 mm),
Depth: 4.5” (114 mm)
Display Alphanumeric display with backlighting. 8 characters per line; 2 lines for gas concentration readout, plus user-friendly calibration and setup
Enclosure Explosion proof for Class I, Div 1, Groups B, C, D.
Enclosure Rating NEMA 4X, explosion proof, watertight, cast aluminum with o-ring seal and epoxy powder coating
Controls Magnet used for calibration functions. Calibrates without opening the housing. Internal push-button controls also available for calibration and setup

Operating Environment

Operating Temperature -4°F to 122°F
-20°C to 50°C
Relative Humidity 5 - 95% RH non-condensing
Location Indoor or outdoor. Explosion proof for Class I, Div. 1, Groups B, C, D.
Operating Voltage 19 VDC - 30 VDC, 12 VOC versions available

Outputs

Analog 4-20 mA signal, into 500 ohms impedance max, corresponding to 0 - full scale
Digital Modbus RTU output standard, fully configurable, 2-wire RS-485, 1200 to 19.2k baud
Approvals C UL US
Controllers Compatible with all RKI Beacon controllers, as well as most DCS / PLC systems:
Beacon 110, Beacon 200, Beacon 410, Beacon 800, and Pioneer 4W and Pioneer 16R
Warranty One year material and workmanship

Non Explosion Proof

O2
Oxygen

H2S
Hydrogen Sulfide

CO
Carbon Monoxide

CO2
Carbon Dioxide

Part# 65-2613RK *65-2614RK 65-2632RK 65-2633RK 65-2631RK-02
65-2631RK-03
65-2631RK-05
65-2631RK-10
Sensors Galvanic cell Electro-chemical Infrared
Measuring Ranges 0-25% Vol. 0-100 ppm 0-300 ppm -02
-03
-05
-10
0 - 5000 ppm
0 - 5% Vol.
0 - 50% Vol.
0 - 100% Vol.
Resolution 0.1% Vol. 1 ppm 20 ppm / 0.1% Vol. / 1% Vol.
Lower Detectable Limit (LDL) 0.1% Vol. 2% of full scale
Response Time (T-90) 35 Seconds or less 30 Seconds or less
Life Expectancy 2 to 3 years with normal service 5 years plus
Accuracy +/- 5% of full scale (0.5% Volume for oxygen)

Alarms

Alarm Settings Two fully programmable alarm set points, increasing / decreasing, latching / self-resetting, on delays, off delays, normally energized or de-energized,
Alarm Indication Visual LEDs. Alarm 1=Amber; Alarm 2=Red; Fail=Red
Relays 5 Amp form ‘C’ contacts for alarm 1, alarm 2, and fail

Physical

Dimensions Height: 8.5” (215 mm), Width: 5.2” (132 mm),
Depth: 4.5” (114 mm)
Display Alphanumeric display with backlighting. 8 characters per line;
2 lines for gas concentration readout, plus user-friendly calibration and setup
Sensor Rating Non explosion proof construction, Class I, Div. 2, Groups B, C, D
Housing J-Box NEMA 4X, explosion proof, watertight, cast aluminum with o-ring seal and epoxy powder coating
Controls Magnet used for calibration functions. Calibrates without opening the housing. Internal push-button controls also available for calibration and setup
Sensor Aluminum / Plastic (non explosion proof)

Operating Environment

Operating Temperature -4°F to 122°F
-20°C to 50°C
-4°F to 122°F
-20°C to 50°C
Relative Humidity 5 - 95% RH non-condensing
Location Indoor or outdoor.
Operating Voltage 19 VDC - 30 VDC, 12 VOC versions available

Outputs

Analog Linear 4-20 mA signal, into 500 ohms impedance max, corresponding to 0 - full scale
Digital Modbus RTU output standard, fully configurable, 2-wire RS-485, 1200 to 19.2k baud
Controllers Compatible with all RKI Beacon controllers, as well as most DCS / PLC systems: Beacon 110, Beacon 200, Beacon 410, Beacon 800, and Pioneer 4W and Pioneer 16R
Warranty One year materials and workmanship

 

Non Explosion Proof Toxic Assemblies

Ordering Information

Part Number With J-Box Gas Range Resolution
65-2618RK-ASH3 Arsine (ASH3) 0 - 1.5 ppm 0.01 ppm
65-2618RK-NH3 Ammonia (NH3) 0 - 75.0 ppm 0.1 ppm
65-2618RK-Cl2 Chlorine (Cl2) 0 - 3.00 ppm 0.01 ppm
65-2618RK-PH3 Phosphine (PH3) 0 - 1.00 ppm 0.01 ppm
65-2618RK-HCN Hydrogen Cyanide (HCN) 0 - 15.0 ppm 0.1 ppm
65-2618RK-SO2 Sulfur Dioxide (SO2) 0 - 6.00 ppm 0.01 ppm

Note: *Partial pressure sensor for helium applications. Consult factory for details.
Specifications subject to change without notice.
Made in the USA

Available Accessories M2 AccessoriesCal Kit

• Battery backup

• Remote horns & lights

• Calibration kits

• Flow through adaptor

• Calibration adaptors

• Air aspirator adaptor / panel

• Splash guards

• Dataloggers

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

M2 Interface with controllers

M2 Wiring Matrix


Number of Wires to Controller

Maximum Distance to Controller

18 AWG wire

16 AWG wire

14 AWG wire

M2 Transmitter

3

2500 ft.

5,000 ft.

8,000 ft.





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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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