3500/72M 140734-08 Recip Rod Position Monitor Bently Nevada

Product Description

The Bently Nevada 3500/72M 140734-08, also cataloged as the 140734-08 Recip Rod Position Monitor, operates as a dedicated hardware component for reciprocating rod position measurement within the Bently Nevada 3500 Machinery Protection System. The module accepts 1 to 4 proximity probe signals and processes piston position and gap data through fixed filtering functions.

Hardware Specifications

Eddy-Current Probe Scaling and Rotor Dynamics Processing

The 3500/72M 140734-08 processes displacement signals generated by eddy-current proximity probes for reciprocating machinery monitoring. The module receives probe voltage signals, evaluates rod position movement, and applies fixed frequency filtering for peak-to-peak and average position calculations.

Furthermore, the module supports gap signal processing with a fixed low-frequency response at -3 dB at 0.09 Hz. This filtering behavior allows the system to separate slow mechanical position changes from dynamic rod movement signals. Proper probe scaling and gap voltage validation are required during commissioning to maintain measurement accuracy, including verification of expected probe operating conditions and gap voltage targets.

Frequently Asked Questions

Q: How many proximity probe inputs can the 3500/72M 140734-08 accept?
A: The module accepts signals from 1 to 4 proximity probes for reciprocating rod position monitoring applications.

Q: What filtering functions are available in the 3500/72M 140734-08?
A: The module provides fixed peak-to-peak and average piston position filtering from 1 Hz to 600 Hz, with gap filtering at -3 dB at 0.09 Hz.

Q: Does the module require specific installation considerations for probe wiring?
A: Yes. Probe signal wiring should maintain proper shielding, grounding, and separation from high-voltage cables to reduce electrical interference during displacement measurement.

Field Installation Guidelines

• Install the 3500/72M 140734-08 module according to the Bently Nevada 3500 rack installation requirements.
• Verify proximity probe connections before system power-up and confirm correct channel assignments.
• Maintain shielded signal cable routing between the proximity probes and monitoring module.
• Separate probe signal cables from power conductors and high-noise equipment wiring.
• Confirm probe mechanical installation, target clearance, and signal polarity before performing system configuration.
• Validate gap voltage readings during commissioning to ensure correct eddy-current probe operating conditions.

Other Attributes

• Series: 24765 and 135613 Case Expansion Transducer Systems
• Country of Origin: USA
• Lead Time: In Stock, 2 Working Days

In Stock Hot Items of The  Bently Nevada

Our Competitive Brands

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Question 1: Is Our Price Competitive?

NEW-GEN collaborates with over 50 countries worldwide. As a leading supplier in China, we can provide significant discounts to customers based on market demand.

Question 2: What Is The Warranty Period?

We offer a standard one-year warranty for all new and original items.

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