24765-02-01 Case Expansion Transducer Assembly Bently Nevada

Overview:

The Bently Nevada Case Expansion Transducer Assembly (Model 24765-02-01) is designed to measure the thermal growth of machine cases in turbine supervisory instrumentation. This transducer is crucial for monitoring case expansion during machine startup and operation, providing essential data for machinery condition monitoring and protection.

Application:

The case expansion transducer is typically used in dual transducer arrangements to measure the position of the sliding feet on the machine case, ensuring smooth thermal expansion. By detecting any obstruction or distortion in the case expansion, it helps prevent damage to the machine. The dual configuration, paired with 3300 or 3500 monitors, ensures early warning alarms for critical conditions. Additionally, this transducer is compatible with the 3500/45 Position Monitor for high-temperature operations.

Key Features:

• Linear Range: 50.8 mm (2.00 in)
• Spring Option: Includes spring return for better positioning
• Scale Factor: 0.404 V/mm (10.25 V/in)
• -3 dB Frequency: 15 Hz
• Linearity: ±0.5% full-range
• Stability: 0.125% full-scale

Mechanical Dimensions:

• 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)

Technical Specifications:

• Brand: Bently Nevada
• Model: 24765-02-01
• Suffix Meaning: The suffix “02-01” indicates specific configuration and version.
• Measurement Type: Linear Variable Differential Transformer (LVDT)
• Temperature Rating: Suitable for high-temperature environments
• Enclosure: Weatherproof, protective housing

How It Works:

The transducer uses an LVDT to detect the thermal expansion of the machine case. A rod is connected to the machine case, and as the case expands due to temperature changes, the rod moves within the LVDT, altering the signal. The transducer processes this signal and sends it to the monitoring system for further analysis and alarm triggering.

FAQs:

1. What is the purpose of the Case Expansion Transducer Assembly?
It measures the thermal growth of turbine machine cases during startup and operations, providing critical data on machine health.

2. How does the transducer detect case expansion?
The transducer uses an LVDT to detect the movement of a rod attached to the machine casing. As the case expands, the rod moves inside the LVDT, altering the signal output.

3. Can this transducer work in high-temperature environments?
Yes, the Bently Nevada Case Expansion Transducer is designed for high-temperature applications and meets TYPE 4 requirements.

4. Is a certificate of origin available for this product?
Yes, the Certificate of Origin (COO) is available upon request.

Check official datasheet for more detailed information: Case Expansion Transducer Systems