Miniature Embedment/Bearing RTD (Pt100) Sensor

Product Code: PPB

Embedment RTD sensors are most commonly used to monitor the bearing temperatures of rotating equipment. The recognition of a rising temperature can provide an early warning of the breakdown of the lubrication. This early warning allows the process to be shut-down for maintenance before a major breakdown or costly failure occurs.

The miniature bearing sensors provide a cost-effective solution to bearing temperature monitoring.

Suitable for use between -25°C and +260°C.

Easy to install, the sensors are inserted directly into the bearing shoes, in or beneath the Babbitt layer. The small diameter tips are commonly epoxy sealed into drilled holes in the shoes, whilst the spring loaded style tip is inserted into a milled hole, the self-locking retaining clip is then pushed into the hole to compress the spring.

The D (Top-Hat) Style Tip is supplied with a retaining clip and spring.

  • Features
  • Product Options
  • Documents
  • Software
    • Cost-effective solution to bearing temperature monitoring
    • Easy to install
    • Cap and Top-Hat tip styles
    • Stainless steel and phosphor bronze tip materials
    • Custom extension cable lengths
    • Insulated measuring junction gives high insulation resistance
  • Sensor Type Code
    Miniature Embedment/Bearing RTD (Pt100) Sensor PPB

     

    Detector Elements Code
    Simplex (1 channel) S
    Duplex (2 channels) D

     

    Wiring Configuration Code
    2-wire 2
    3-wire 3
    4-wire (Simplex only) 4

     

    Grade of Element Code
    B (± 0.30°C @ 0°C) (± 0.80°C @ 100°C) B
    A (± 0.15°C @ 0°C) (± 0.35°C @ 100°C) A

     

    Tip Style & Dimensions
    Standard Tip Code   Top-Hat Tip Code
    Tip Diameter (D1) Tip Length (L1)

    Phosphor Bronze

    Stainless Steel

      Tip Diameter (D1) Tip Length (L1)

    Stainless Steel

    3.0mm 8.0mm ZS   6.0mm 6.0mm THC
    3.2mm (1/8") 8.0mm AP AS   6.35mm 6.0mm THD
    4.0mm 9.0mm BP BS   Top-Hat Tip Accessories
    6.0mm 6.0mm CP CS   RC846 Retaining Clip 8mm OD x 4mm ID, 6 prongs
    6.35mm (1/4") 8.0mm - DS   RS126 Spring 12mm x 6mm Ø

     

    Extension Cable Length (L2)  Cable Construction  3-wire Code 4-wire Code 6-wire Code 8-wire Code
    (simplex 3-wire) (simplex 4-wire) (duplex 3-wire) (duplex 4-wire)

    As required to suit your application

    (e.g. 1000mm)

    7/0.15mm conductors, extruded PFA, Twisted, PFA overall PT4315 PT4415 PT4615 PT4815
    7/0.15mm conductors, extruded PFA, Twisted, Stainless Steel Wire Braided overall PT3315/SSB PT3415/SSB PT3615/SSB PT3815/SSB
    7/0.10mm conductors, extruded PFA, Twisted, Stainless Steel Wire Braided, PFA overall PT6310 PT6410  PT6610  -
    7/0.10mm conductors, extruded PFA, Twisted, Stainless Steel Wire Braided overall - - PT3610/SSB  -

     

    Optional Oil Seal Barrier *
    Diameter (mm) Std Length (mm)  Code
    D2 L3
    3.0 60.0

     OSB Diameter x Std Length

    (e.g. OSB 6.0 x 60.0)   

    3.2 (1/8") 60.0
    4.76 (3/16") 60.0
    5.5 60.0
    6.0 60.0
    6.35 (1/4") 60.0

    * Tested to a minimum pressure of 5 bar for a minimum of 30 minutes

     

    Extension Cable
    Compatibility (prefix code with required length L4 - e.g. 1000mm PT4315)
    Simplex 3-wire Simplex 4-wire Duplex 3-wire Duplex 4-wire 
    PT4315, PT3315/SSB PT4415, PT4415/SSB - -
    PT4315, PT3315/SSB PT4415, PT4415/SSB - -
    PT4315, PT3315/SSB, PT6315 PT4415, PT3415/SSB, PT6415 PT3610/SSB -
    PT4315, PT3315/SSB, PT6315 PT4415, PT3415/SSB, PT6415 PT4615, PT3615/SSB, PT6615, PT3610/SSB -
    PT4315, PT3315/SSB, PT6315 PT4415, PT3415/SSB, PT6415 PT4615, PT3615/SSB, PT6615, PT3610/SSB PT4815, PT3815/SSB
    PT4315, PT3315/SSB, PT6315 PT4415, PT3415/SSB, PT6415 PT4615, PT3615/SSB, PT6615, PT3610/SSB PT4815, PT3815/SSB

     

    Without oil seal barrier L2 = tip to tails.

    With oil seal barrier L2 = tip to oil seal barrier, L3 = oil seal barrier, L4 = oil seal barrier to tails

    Order Code Example (with oil seal barrier):

    PPB - S - 3 - B - AP - 500mm PT4315 - OSB 6.0 x 60.0 - 1000mm PT4315

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