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Slot resistance thermometer
- Electric motors
- Single and double design
- Measuring circuit 2-, 3-, 4-wire
- Sensing element:
Pt100, Pt500, Pt1000 (IEC 751)
Ni100, Ni500, Ni1000 (DIN 43760)
Cu50, Cu100 (GOST 6651-2009)
- Design of sensing element:
single point (CHIP)
- Wide range of designs
- Temperature class F (+155°C), H (+180°C)
- Non-standard parameters available upon request:
- non-standard size
- cables according to the customer's specifications
- Dielectrical strength 2.5 kVAC/60 sec.,
optionally 5.0 kVAC/60 sec.
-20 .. +155°C (temperature class F)
-20 .. +180°C (temperature class H)
Insert these thin, laminated RTDs in winding slots to detect high temperatures before insulation damage occurs. Six sensors are recommended for each motor, two per phase. Locate sensors near the hottest point of the windings for best performance.
Sensing element is installed inside laminated epoxy glass sheet. Due to very good dielectrical parameters of HGW and special composition of epoxy resin, these sensors have a high mechanical stability and requires no additional insulation for high voltage of 2.5 kV – and 5.0 kV as an option.
Dimensions of the laminated sheet, length and insulation of the connecting cable, accuracy class, may be selected depending on the application needs/requirements.
ATEX, IECEx, EAC Ex versions
For application in explosion-hazardous areas intrinsically safe Exi models are available. These designs have CE test certificates according to the 2014/34/EU (ATEX) Directive, Scheme IECEx and EACEx.
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.