Accessories - filters and brackets
  • Accessories - filters and brackets

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Manufacturer: Galltec Mela Sensortechnik

Accessories - filters and brackets

The products on this info sheet are used for adapting sensors to the different places of application.
Filters protect the sensor against mechanical damage resulting from particle bombardment at relatively high air speeds and damaging deposits. The filters also keep harmful gases from the sensor. Deposits of oil and grease on the filter lead to corrupted measurements which can be rectified by changing the filter.

User instructions
Filters, and in particular sintered filters, change the dynamic behaviour of the sensors. Wet filters yield corrupted measurements until they have dried out fully.

Mounting supports

ZA20: Attachment plate, suitable for mounting sensors of Ø 20 mm in ventilation ducts at up to 80°C.
ZA24: Attachment plate, suitable for mounting sensors of Ø 15 mm in ventilation ducts, at up to 200°C. (stainless steel base plate with with brass screw connections).
ZA 25: Attachment plate completely made of stainless steel, suitable for mounting sensors of Ø 15 mm, in ventilation ducts at up to 100°C. (stainless steel base plate with stainless steel screw connections).
ZA30: Mounting kit for a built-on humidity switch, comprising adhesive strips and heat conductivity paste, for mounting smooth surfaces.
ZA161/1:Weather guard, protects the sensors from product info sheet no. C 2.4 outdoors against rainfall and sun light.
Wall console 20.009: for mounting sensors Ø 20mm to walls

 

Dimensions [mm]:

Filters

 

Filter Diagram Description Response time
Humidity
at v= 1.5 m/s
ZE13 Sintered high-grade steel fi lter coarse-pored for sensor
tubes of Ø 15mm. Protects the sensing element at
high air speeds and in very dusty conditions.
Ø 15 x 33, M 14x1
Employable: -60...200°C		  
ZE14 High-grade steel fi lter open for sensor tubes of
Ø 15mm.
Ø 15 x 39, M 14x1
Employable: -80...250°C		 20 s
ZE15 High-grade steel fi lter with gauze for sensor tubes of
Ø 15mm. Suitable for low air speed and clean, nonaggressive
atmosphere.
Ø 15 x 39, M 14x1
Employable: -40...200°C		  
ZE26 High-grade steel fi lter with gauze and membrane for
sensor tubes Ø 15mm.
Protects against aerosols.
Ø 15 x 39, M 14x1
Employable: -40...150°C (max. 1h 200°C)		  
ZE16 Protective plastic basket for sensor tubes of Ø 20mm,
open, conductive metallized fi nish, suitable for low
air speed and clean, non-aggressive atmosphere.
Ø 20 x 25, M 18x1
Employable: -40...80°C		  
ZE17 Same as type ZE 16, except that it has an inserted
fi lter gauze made from high-grade steel, for protection
against coarse dirt.
Ø 20 x 25, M 18x1
Employable: -40...80°C		  
ZE18 Sintered filter made from fine-pored PTFE for sensor
tubes of Ø 20mm, for use in extreme conditions.
Note: If this fi lter is used, some sensors will not meet
the EMC directive EN 50082-2.
Ø 20 x 25, M 18x1
Employable: -50...150°C		  
ZE20 Membrane fi lter for use outdoors for sensor tubes of
Ø 20mm, v up to approx. 10m/s , protects against
aerosols.
Ø 20 x 25, M 18x1
Employable: -40...80°C		  
ZE21 Fine-pored sintered fi lter made from high-grade steel for
sensor tubes of Ø 20mm, v up to approx. 20m/s.
Protects the sensing element at high air speeds and in
very dusty conditions.
Ø 20 x 25, M 18x1
Employable: -50...150°C		  
ZE22 Same as ZE21 except coarse-pored and dynamic,
somewhat faster, v up to approx. 20m/s
Ø 20 x 25, M 18x1
Employable: -50...150°C		  
Less
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The products on this info sheet are used for adapting sensors to the different places of application.
Filters protect the sensor against mechanical damage resulting from particle bombardment at relatively high air speeds and damaging deposits. The filters also keep harmful gases from the sensor. Deposits of oil and grease on the filter lead to corrupted measurements which can be rectified by changing the filter.

User instructions
Filters, and in particular sintered filters, change the dynamic behaviour of the sensors. Wet filters yield corrupted measurements until they have dried out fully.

Mounting supports

ZA20: Attachment plate, suitable for mounting sensors of Ø 20 mm in ventilation ducts at up to 80°C.
ZA24: Attachment plate, suitable for mounting sensors of Ø 15 mm in ventilation ducts, at up to 200°C. (stainless steel base plate with with brass screw connections).
ZA 25: Attachment plate completely made of stainless steel, suitable for mounting sensors of Ø 15 mm, in ventilation ducts at up to 100°C. (stainless steel base plate with stainless steel screw connections).
ZA30: Mounting kit for a built-on humidity switch, comprising adhesive strips and heat conductivity paste, for mounting smooth surfaces.
ZA161/1:Weather guard, protects the sensors from product info sheet no. C 2.4 outdoors against rainfall and sun light.
Wall console 20.009: for mounting sensors Ø 20mm to walls

 

Dimensions [mm]:

Filters

 

Filter Diagram Description Response time
Humidity
at v= 1.5 m/s
ZE13 Sintered high-grade steel fi lter coarse-pored for sensor
tubes of Ø 15mm. Protects the sensing element at
high air speeds and in very dusty conditions.
Ø 15 x 33, M 14x1
Employable: -60...200°C		  
ZE14 High-grade steel fi lter open for sensor tubes of
Ø 15mm.
Ø 15 x 39, M 14x1
Employable: -80...250°C		 20 s
ZE15 High-grade steel fi lter with gauze for sensor tubes of
Ø 15mm. Suitable for low air speed and clean, nonaggressive
atmosphere.
Ø 15 x 39, M 14x1
Employable: -40...200°C		  
ZE26 High-grade steel fi lter with gauze and membrane for
sensor tubes Ø 15mm.
Protects against aerosols.
Ø 15 x 39, M 14x1
Employable: -40...150°C (max. 1h 200°C)		  
ZE16 Protective plastic basket for sensor tubes of Ø 20mm,
open, conductive metallized fi nish, suitable for low
air speed and clean, non-aggressive atmosphere.
Ø 20 x 25, M 18x1
Employable: -40...80°C		  
ZE17 Same as type ZE 16, except that it has an inserted
fi lter gauze made from high-grade steel, for protection
against coarse dirt.
Ø 20 x 25, M 18x1
Employable: -40...80°C		  
ZE18 Sintered filter made from fine-pored PTFE for sensor
tubes of Ø 20mm, for use in extreme conditions.
Note: If this fi lter is used, some sensors will not meet
the EMC directive EN 50082-2.
Ø 20 x 25, M 18x1
Employable: -50...150°C		  
ZE20 Membrane fi lter for use outdoors for sensor tubes of
Ø 20mm, v up to approx. 10m/s , protects against
aerosols.
Ø 20 x 25, M 18x1
Employable: -40...80°C		  
ZE21 Fine-pored sintered fi lter made from high-grade steel for
sensor tubes of Ø 20mm, v up to approx. 20m/s.
Protects the sensing element at high air speeds and in
very dusty conditions.
Ø 20 x 25, M 18x1
Employable: -50...150°C		  
ZE22 Same as ZE21 except coarse-pored and dynamic,
somewhat faster, v up to approx. 20m/s
Ø 20 x 25, M 18x1
Employable: -50...150°C		  
Less
Read more
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