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Tube Skin Thermocouples
Tube Skin Thermocouples (for mounting on the surface of tubes) designed to measure the temperature of the walls of pipes in petrochemical plants and boiler tubes and superheater tubes in steam power plants.
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Stator Windings Temperature Sensors

Applications

 

  • Temperature range: -50 .. +155°C (temperature class F)
  • Stator winding temperature measurement, etc.
  • Power industry

 

Features

 

  • Connection line 2-, 3-, 4-wire
  • Sensor Pt100 according to PN-EN 60751, class B
  • Sensor Ni100 according to DIN 43760
  • Sensor Cu50 according to GOST 6651-94
  • Bifilar and CHIP construction
  • Adapted to individual customer requirements
  • Body material: mica-paper, laminated epoxy-resin sheet
  • Connection cables in teflon® insulation
 Termometry żłobkowe

 

ATEX versions

 

Intrinsically safe designs are available for applications in hazardous areas. These models are provided with a type-examination certificate for „intrinsically safe“ type of protection according to Directive 94/9/EC (ATEX) for gases and dust.

 

Application

 

Insert these thin, laminated RTDs in winding slots to detect high temperatures before insulation damage occurs. RTD temperature sensors continuously monitor conditions and provide the long term trend data that is necessary for making adjustments before unexpected alarms occur. Six sensors are recommended for each motor, two per phase. Locate sensors near the hottest point of the windings for best performance. Due to its construction, there are two types of stator RTDs: bifilar and single point (CHIP) version.

 

Bifilar construction

 

Bifilar Stator RTDs allows to measure average temperature thru the housing length. This eliminates danger of miss the hot section of stator insulation by CHIP sensor. Serie TOPE601 with bifilar winding can be used in hazardous atmospheres Ex - increased safety (Ex e). We are currently working to obtain the ATEX certificate.

Platinum wire with bifilar winding is installed inside laminated epoxy sheet. Cable is connected to the platinum wire and sealed by epoxy resin. Cables are supplied in teflon® insulation as standard. The sensor has a high mechanical stability and do not require an additional insulation for high voltage of 2.5 kV.

Czujniki bifilarne

 

 

Czujniki punktowe

 

 

CHIP (point) construction

 

Sensing element of CHIP RTD is installed inside laminated epoxy sheet. Cable is connected to the sensor and sealed by epoxy resin.  These Stator RTDs are cheaper solution in compare to bifilar construction. Serie TOPE600 can be used in hazardous atmospheres Ex - intrinsically safe (Ex i). Certified by Notified Body - FTZU, supplied with EC-Type Examination Certificate no. FTZU10ATEX0062X.

Due to very good dielectrical parameters of HGW and special composition of epoxy resin, these sensors have a high mechanical stability and resist high voltage of 2.5 kV - 5.0 kV as an option.

 

Advantages of Stator RTDs manufactured by TERMOAPARATURA WROCLAW:

 

  • low heat capacity, which guarantees an immediate response to temperature changes
  • excellent electrical insulation, high thermal conductivity, resistance to deformation occurring during long shifts
  • bifilar design prevents an induction voltage due to measurement errors
  • spot measurement by high class of resistance element
  • resistant to pressure and vibration
  • resistant to impregnating, curing and drying processes
  • supplied with factory test certificate in accordance with EN 10204

 

Other versions

 

Above mentioned data presents only small part of our supplies program of stator temperature sensors. Upon the customer's request, other versions can also be delivered.

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