FAS -wyłącznik contrôler la formation de gouttelettes
  • FAS -wyłącznik contrôler la formation de gouttelettes

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Fabricant: Galltec Mela Sensortechnik

FAS -wyłącznik contrôler la formation de gouttelettes

Notes on use
If condensed water formation is to be monitored in a room, the most humid position should first be established. The coldest position does not necessarily have to be the most humid position (see hx diagram). It should also be borne in mind that any changes in the room cannot result in a different, more humid spot. The FAS humidity add-on switch
must be mounted in such a way that there is good heat contact with the selected position. Please note also that any condensate must not get into the interior of the housing. Attachment is made by using the supplied
binders which can be used for pipes with diameters of up to 50mm.The housing must not be exposed to any outside heat as this may cause incorrect measurements.
The installation position is to be selected in such a way that a representative measurement of the air humidity will be given, i.e. the ambient air must be able to reach the measuring element within the casing without obstacles. The FAS should be exposed to the flow of air.

Maintenance
The measuring element is maintenance-free in pure ambient air. Aggressive media containing solvent can cause measuring errors and failure, depending on the type and concentration. As with almost all humidity measuring elements, deposits which eventually form a waterrepellent film over the sensor are harmful. Such substances are resin aerosols, lacquer aerosols, smoke deposits etc.

Description of the switch
The hygro module HM120 with „Polyga®“ measuring element is arranged on an aluminium base plate such that the measuring element is immediately next to the base plate. Protected by the housing, relative humidity near to dew point can form in the interior. The aluminium plate is adjacent to the cooling pipe and
transfers coldness to the measuring element. The measuring point can be adjusted in the interior. The
threshold value can be adapted accordingly to the local conditions. The microswitch of the HM120
switches a changeover contact potential-free. The standard switch is lined with silver contacts.
Optionally there is a microswitch with gold contact for low currents and voltages to a maximum of 100mA/48V AC and a minimum of 1mA/5V The FAS does not require a supply voltage.

Adjusting the switch point
It is important to set the correct switch point for the equipment. A set value that is too high can cause dew
to form as the conditions at the measuring point are not constant. Tests have shown that good results are
achieved at a switch point of 80 % rh. The switch point can be adapted to the equipment.
Open the covering cap and finely adjust the set value..


Technical Data:
- scale range 30...100 % rh
- measuring accuracy ±3.0%rh
- range of operation 50...100%rh
- Switching difference(microswitch)ref. to 50rh approx. 4%rh
- voltage (recommended) 24VAC
- max. voltage (230VAC)
- breaking capacity, maximum load  
  ohmic load 2A 48VAC (10000 cykli)
  inductive load* cos ϕ = 0.7 0.2A 230V AC
  inductive load L/R=3ms 1A for 50V DC
    0.5A for 75V DC
  Electric bulb load 0.2A for 50V DC
- breaking capacity, max maks. 100mA, 48VAC
optional with golden contact  
- breaking capacity, max maks. 100mA, 48VAC
    min. 1mA, 5V
- allowable ambient temperature 0...60°C
- temperature coefficient -0.2%/K rel. dla 20°C/ 50%rh
- half-time at v=2m/sec 1.2min
- mounting position optional
- contacting connecting terminals
- electromagnetic compatibility EMC  
  resistance to interference zg. EN 50 082-2
  interference emission zg. EN 50 081-2
- type of protection IP20
- dimensions 85x55x33mm
- weight approx 70g
Dimensions [mm]

 

 

 

 

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Notes on use
If condensed water formation is to be monitored in a room, the most humid position should first be established. The coldest position does not necessarily have to be the most humid position (see hx diagram). It should also be borne in mind that any changes in the room cannot result in a different, more humid spot. The FAS humidity add-on switch
must be mounted in such a way that there is good heat contact with the selected position. Please note also that any condensate must not get into the interior of the housing. Attachment is made by using the supplied
binders which can be used for pipes with diameters of up to 50mm.The housing must not be exposed to any outside heat as this may cause incorrect measurements.
The installation position is to be selected in such a way that a representative measurement of the air humidity will be given, i.e. the ambient air must be able to reach the measuring element within the casing without obstacles. The FAS should be exposed to the flow of air.

Maintenance
The measuring element is maintenance-free in pure ambient air. Aggressive media containing solvent can cause measuring errors and failure, depending on the type and concentration. As with almost all humidity measuring elements, deposits which eventually form a waterrepellent film over the sensor are harmful. Such substances are resin aerosols, lacquer aerosols, smoke deposits etc.

Description of the switch
The hygro module HM120 with „Polyga®“ measuring element is arranged on an aluminium base plate such that the measuring element is immediately next to the base plate. Protected by the housing, relative humidity near to dew point can form in the interior. The aluminium plate is adjacent to the cooling pipe and
transfers coldness to the measuring element. The measuring point can be adjusted in the interior. The
threshold value can be adapted accordingly to the local conditions. The microswitch of the HM120
switches a changeover contact potential-free. The standard switch is lined with silver contacts.
Optionally there is a microswitch with gold contact for low currents and voltages to a maximum of 100mA/48V AC and a minimum of 1mA/5V The FAS does not require a supply voltage.

Adjusting the switch point
It is important to set the correct switch point for the equipment. A set value that is too high can cause dew
to form as the conditions at the measuring point are not constant. Tests have shown that good results are
achieved at a switch point of 80 % rh. The switch point can be adapted to the equipment.
Open the covering cap and finely adjust the set value..


Technical Data:
- scale range 30...100 % rh
- measuring accuracy ±3.0%rh
- range of operation 50...100%rh
- Switching difference(microswitch)ref. to 50rh approx. 4%rh
- voltage (recommended) 24VAC
- max. voltage (230VAC)
- breaking capacity, maximum load  
  ohmic load 2A 48VAC (10000 cykli)
  inductive load* cos ϕ = 0.7 0.2A 230V AC
  inductive load L/R=3ms 1A for 50V DC
    0.5A for 75V DC
  Electric bulb load 0.2A for 50V DC
- breaking capacity, max maks. 100mA, 48VAC
optional with golden contact  
- breaking capacity, max maks. 100mA, 48VAC
    min. 1mA, 5V
- allowable ambient temperature 0...60°C
- temperature coefficient -0.2%/K rel. dla 20°C/ 50%rh
- half-time at v=2m/sec 1.2min
- mounting position optional
- contacting connecting terminals
- electromagnetic compatibility EMC  
  resistance to interference zg. EN 50 082-2
  interference emission zg. EN 50 081-2
- type of protection IP20
- dimensions 85x55x33mm
- weight approx 70g
Dimensions [mm]

 

 

 

 

Moins
Lire la suite
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