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Bently Nevada 24765-01-01 Case Expansion Transducer Assembly

Bently Nevada 24765-01-01 Case Expansion Transducer Assembly

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  • Hersteller: Bently Nevada

  • Produkt-Nr.: 24765-01-01

  • Herkunftsland:Vereinigte Staaten

  • Produkttyp: Case Expansion Transducers

  • Zahlung: T/T, Western Union

  • Gewicht: 2300g

  • Abmessungen: 88.9 mm x 117 mm x 241 mm (H x W x D)

  • Versandhafen: Xiamen

  • Garantie: 12 Monate

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Description

The Bently Nevada 24765-01-01 is a dc-powered case expansion transducer assembly designed for measuring thermal growth in turbine supervisory instrumentation (TSI) applications. Installed on the machine foundation at the end opposite where the turbine casing is attached, the unit monitors the thermal growth of the machine case relative to the foundation during startup and online operations. Operating with a linear variable differential transformer (LVDT) housed inside a protective weatherproof enclosure, the 24765-01-01 converts mechanical growth into a conditioned electrical signal. This specific configuration features a 25.4 mm (1.00 in) linear range with a spring return mechanism. When utilized in a dual transducer arrangement with 3300 or 3500 series monitors, it provides continuous position data to detect obstructed sliding feet, casing distortion, or abnormal growth differentials between rotating and stationary parts.

Features

  • Measures thermal growth of machine cases relative to the foundation during turbine startup and operation.
  • Uses a dc linear variable differential transformer (LVDT) housed in a weatherproof protective enclosure.
  • Equipped with a spring return mechanism for dynamic motion tracking.
  • Supports dual transducer configurations with 3300 or 3500 series monitors to detect obstructed sliding feet and casing distortion.
  • Enables evaluation of thermal growth rates to prevent contact between rotating and stationary components.

Applications

  • Turbine Supervisory Instrumentation (TSI)
  • Thermal case expansion and shell growth measurement in large steam and gas turbines
  • Machine foundation differential thermal expansion monitoring
  • Sliding foot position and casing symmetry monitoring

Ordering Information

Option / Ordering Code Description
24765-AXX-BXX Case Expansion Transducer Assembly (dc)
A: Linear Range Option 01 = 25.4 mm (1.00 in)
B: Spring Option 01 = With spring return

Technical Specifications

Parameter Specification
Manufacturer Bently Nevada
Model 24765-01-01
Product Type Case Expansion Transducer Assembly (dc)
Country of Origin Made in U.S.A
Linear Range Option 01 (25.4 mm / 1.00 in)
Spring Option 01 (With spring return)
Electrical Scale Factor 0.346 V/mm (8.79 V/in)
Linear Range 25.4 mm (1.00 in)
-3 dB Frequency 20 Hz
Linearity +/- 0.5% full-range
Stability 0.125% full-scale
Operating Temperature Range -18 degC to +71 degC (0 degF to +160 degF)
Storage Temperature Range -54 degC to +93 degC (-65 degF to +200 degF)
Core End Thread 6-40 UNF-2B
Machine End Thread 1/4-20 UNC-2A
Height 88.9 mm (3.50 in)
Width 117 mm (4.60 in)
Length 241 mm (9.50 in)
Weight 2.3 kg (5.0 lbs)

Installation Guidelines

  • Mounting Position: Mount the transducer enclosure directly to the foundation at the opposite end from where the turbine casing is rigidly anchored.
  • Dual Transducer Setup: Install in a dual transducer configuration to monitor both sliding feet, ensuring early detection of jammed feet and casing distortion.
  • Field Wiring: Use a ferrite bead on the transducer end of the field wiring for CE compliant installations.

Compliance and Certifications

  • EMC Immunity: EN 61000-6-2 (Immunity for Industrial Environments)
  • EMC Emissions: EN 61000-6-4 (Emissions for Industrial Environments)
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Product Documentation

Technical Datasheet (PDF) Complete specifications and technical drawings.

Technical Datasheet

Bently Nevada 24765-01-01 Case Expansion Transducer Assembly

What primary function does the transducer assembly serve?

The transducer assembly measures the thermal expansion of a machine casing relative to its foundation during startup and operation.

What is the linear measurement range and scale factor for this specific model?

This model has a linear measurement range of 25.4 mm (1.00 in) and an electrical scale factor of 0.346 V/mm (8.79 V/in).

Which machinery monitoring systems are compatible with the assembly?

The transducer assembly is designed for compatibility with Bently Nevada 3300 and 3500 series monitoring systems.

Globaler Expressversand

  • Standardlieferung: 4-6 Werktage per DHL, FedEx und UPS.
  • Expressversand: Versand am selben Tag für vorrätige Bestellungen, die vor 14:00 Uhr (GMT+8) aufgegeben werden.
  • Weltweite Abdeckung: Wir beliefern über 150 Länder, einschließlich schneller Lieferung nach Saudi-Arabien und in die VAE.

Rückgaben & Garantie

  • 30-Tage-Garantie: Rückgaben werden für vorrätige Produkte in originaler, werkversiegelter Verpackung akzeptiert.
  • 12-Monats-Garantie: Jede Industriekomponente ist durch unsere professionelle technische Garantie abgesichert.

Bestellungen werden von Montag bis Freitag bearbeitet und geliefert (außer an Feiertagen).


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TECHNICAL SPECIFICATIONS

Color pattern
Silber
Country of origin
Vereinigte Staaten

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