• PN: 135613-02
• Brand: Bently Nevada (Baker Hughes)
• Series: 135613 Series LVDT Displacement Transducer
• Type: Case Expansion Transducer Assembly
• Linear Measuring Range: 50.8mm (2.00in)

• Function: Adopts LVDT differential variable displacement principle, accurately measures thermal expansion displacement of steam turbine cylinder casing, converts tiny mechanical displacement into standard voltage signal, transmits measurement data to 3500 monitoring system or DCS to realize casing expansion online monitoring, prevent unit deformation damage caused by uneven thermal expansion.

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Core Features

1. High linear measurement accuracy, linear error within ±0.5% full scale, stable long-term measurement performance
2. 316L stainless steel integrated housing, corrosion, oil and high temperature resistant, suitable for harsh power plant on-site environment
3. Wide operating temperature range, strong environmental adaptability, anti-vibration and anti-electromagnetic interference capability
4. Standard voltage signal output, convenient to connect with mainstream industrial monitoring and control systems

5. Compact integrated mounting structure, simple on-site installation and fixed wiring, stable mechanical connection

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Technical Specs

• Measuring Range: 50.8 mm
• Sensitivity: 0.10 V/mm
• Linear Accuracy: ±0.5% full range
• Operating Temperature: -18℃ ~ +71℃
• Storage Temperature: -54℃ ~ +93℃
• Power Supply: 24VDC
• Protection Grade: IP67
• HS Code: 85437090

• Certification: CE certified

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Compatibility

• Matched System: Bently Nevada 3500 machinery protection monitoring rack
• Accessible Equipment: DCS, PLC industrial automatic control system
• Application Object: Steam turbine cylinder, large rotating unit casing thermal expansion monitoring

• Not Compatible: Eddy current proximity probe dedicated monitoring channels

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Application

• Thermal expansion displacement online monitoring for steam turbine high and low pressure cylinder casing
• Prevent unit safety accidents caused by uneven heating, cylinder friction and deformation
• Equipment safety early warning and predictive maintenance for thermal power plants

• Spare replacement and renovation of old casing expansion monitoring sensors

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Our Advantage

• Linear calibration, insulation and signal stability test completed before delivery
• 12-month warranty for new original and fully tested surplus sensors