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    Updated: 13 Nov 2018
 

 

 

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GAS DETECTION - Chlorine (Cl2)

 

Cl2 Chlorine
Chlorine has a strong fragrance and is a corrosive greenish-yellow gas.

The gas is used, among other purposes, for the purification of water and in the chemical industry.

Chlorine is easily absorbed by most materials, which may make respitory systems inappropriate in terms of chlorine detection.

For calibration purposes, glass vials are to be preferred.

Chlorine is irritating to eyes and mucous membranes.

Odour threshold is of 0.02 ppm

Level limit value (Long-term Exposure Limit) = 0.5 ppm (flashlight)

Maximum value (Short Term Exposure Limit) = 1.5 ppm (gas alarm sign)

Alarm is set at these levels with level limit value as the first alarm threshold and the maximum value as the second alarm limit.

Severe damages can occur when the concentration begins to move close to 100 ppm, although the exposure time is relatively short.

Concentrations only slightly higher can be directly fatal.

It is important to know that the symptoms may come much later.

Therefore it is important to seek medical attention immediately after having inhaled chlorine.

Sensor Placement
Chlorine is a heavy gas, ie. it has a higher density than air.

This means that the detectors in most cases should be positioned low and at the likely leakage points.

The gas can accumulate in low-lying areas where therefore high concentrations can occur.

Fire Hazards
Chlorine supports, like oxygen, combustion and can react violently with certain substances.

With other substances it can form explosive gases, such as with hydrogen.

Chlorine
Chlorine is a heavy greenish/yellow gas which is highly toxic.

Odour
Chlorine smells like a swimming pool and in the household it is used in detergents.
The smell is unmistakable.

Hazard
Chlorine is highly toxic and attacks the mucous membranes and respiratory tract.
 

You can smell it long before it reaches dangerous levels.

References

Choice of Equipment

The Stand-alone detector is a detector where power supply, alarm and control functions are integrated in the detector housing. This detector is used where very simple systems are sought and only few monitoring points are desired.

 


RCl2 Standalone detector, relay and analog output

 
    RCl2 (uk) RCl2  
   

 
    Manual
under prep.
Datasheet
 
 
         
  Duct Environment CE  
 

 
  Datasheet      

 

 

WCl2, Standalone-detector,
analog modbus and relay

 

Calibration

  WCl2 (uk) WCl2  
 

 
    Manual
under prep.
Datasheet
 
 

 

 

SCl2, Stand Alone detector - Wall
ModBus, Analog, Relay Output

CE

  Underst. SCl2  
 

 
declaration
under prep
  RS485 Datasheet
under prep
 

 

SCl2, Combi detector - Duct
 ModBus, Analog, Relay Output

 

Environm.

Calibr.

CE Duct  

 

declaration

certificate

deklaration
under prep

Kit  
         
         
         
         

 

 

 


Analog detector, ACl2 - Wall

Environm.

CE

 

A-Cl2

 

 

 

declaration

declaration
under prep

 

Datasheet
under prep

 
 
 


Analog detector, ACl2 - Duct

Duct

IP

 

Calibr.

 

 

 

Kit

Protection  

Certificate

 

 

Warning lights for nitrogen dioxide detectors


Gas alarm plate for chlorine detector

 

 

     

 

 

 

 

 

 

  Datasheet  

 

 

 

 

 

 

Warning Siren for chlorine  sensors

 

 

 

 

AAW

 

 

 

 

 

 

 

  Datasheet  

 

 

Combined warning siren and flash light for
chlorine  sensors

     

OAW24

 

 

 

 

 

 

    Datasheet  
 

BCl2, Field Bus detector - Wall
Modbus, BacNet, etc.

 

CE

to do   BCl2  

 

 

declaration
under prep

Manual

  Datasheet
under prep
 


 

BCl2, Fieldbus detector - Duct
Modbus, BacNet, etc.

 

IP

Calibr.

Underst. Art &  

 

Protection

certificate

RS485 Science  
         
    Environm. Duct Kit  
     
    declaration Datasheet  
 
 

The exchangeable sensor X-CHANGE turns the recalibration into a home game:

  • Delivery of recalibrated sensor cartridges

  • Easy exchange, no specialized company needs to come to you

  • Available for every gas type

  • At guaranteed exchange prices

  • Increased reliability (SIL2-software)

  • Important time and cost savings

The X-Change support guarantees a price based on the consumption of the sensor capacitance.

For each uncalibrated sensor returned to AP, you will receive a credit for the unused capacity of the sensor.

More >

 

 

 

   
 
       
       
       
 

Legal and safety requirements
The devices are manufactured according to the regulations and various directives such as EN 50545, etc.

Products delivered by AP meet and even exceed the new European Standard EN 50545.

The safety features check the connected warning devices on functionality and open circuit day and night (Level SIL2 according to EN 50271).

   

Quick and easy replacement of sensor

  1. Open the housing with a screwdriver.

  2. Disconnect the sensor cable and unscrew the disused sensor head.

  3. Exchange the sensor cartridge (3) and connect the cable of the new sensor head to the PCB.

  4. Close cover of the housing with the screws (1). The recalibrated sensor is ready for use at once.

 

Electrical products in an explosive environment
A small amount of energy - a flame, spark, high surface temperature or similar is required to ignite an explosive gas mixture.

Products installed in an area with a potential explosion hazard must of course in themselves  not be a potential explosion hazard.

For this reason, the products are manufactured in such a way that this cannot occur.
The equipment must also be labeled and tested - ATEX classified - by the approved testing authority.


The Ex-class information is available in "Swedish Standard"
The choice of which Ex-classification is required is determined by factors such as type of gas, permissible maximum surface temperature and potential explosive hazards in the area where the products are to be installed.

The potential explosion hazard in the different areas is determined by the zone classification according to "Swedish Standard".
 



More about ATEX-products can be found in the following link



ATEX explosionproof detectors

CCl2, Combi detector - Wall
ModBus, Analog, Relay Output

 

CE

Art/Science

Underst. CCl2  

 
declaration
undedr prep
RS485 RS485 Datasheet
under prep
 

 

 

 

CCl2 Combi detector - Duct
 ModBus, Analog, Relay Output

 

Environm.

Calibr.

CE missing  

 

 

declaration

certificate

deklaration
under prep

Manual  
         
      Duct Kit  
     

 
      Datasheet  

 

   
 

 

E-mail: ewert@automatikprodukter.se     

Phone: +46(0)31-287202

Mobile: +46(0)708885298

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