Bently Nevada 3500/72M 140734-08 Product Overview
Product Introduction
Bently Nevada 3500/72M 140734-08 is a dedicated four-channel reciprocating rod position monitoring module designed exclusively for the 3500 series machinery protection platform. Optimized for reciprocating compressor condition monitoring, it acquires and processes signals from proximity sensors to measure rod position, rod drop and related dynamic parameters of reciprocating equipment. The module supports flexible channel pairing and multi-mode configuration, enabling simultaneous monitoring of multiple mechanical operating states. It features precise signal filtering and high-accuracy data calculation, effectively capturing subtle mechanical abnormalities that may lead to component wear or equipment failure. Compliant with API 618 industry standards, it provides configurable alarm and danger thresholds to trigger timely protection responses. Widely deployed in petrochemical and process industries, it ensures operational safety and long-term stability of critical reciprocating machinery assets.
Technical Specifications
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Product Model: 3500/72M, Part Number 140734-08 (Reciprocating Rod Position Monitor)
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Channel Configuration: Four independent configurable channels supporting flexible channel pairing operation
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Compatible Sensors: Matches standard proximity transducer sensors for position signal acquisition
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Monitoring Parameters: Measures rod position, rod drop, peak-to-peak displacement and gap values
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Signal Frequency Response: Fixed 1 Hz to 600 Hz bandwidth for dynamic signal collection
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Measurement Accuracy: Within ±0.33% full-scale typical error for stable data output
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Power Consumption: 7.7 watts nominal operating power consumption
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Alarm Performance: Adjustable 0–100% full-scale alarm thresholds with precise setpoint accuracy
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Operating Temperature: -30°C to +65°C for standard industrial cabinet environments
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Industry Compliance: Meets API 618 standards and SIL 2 functional safety requirements
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System Compatibility: Fully adapted to 3500 series rack systems and supporting configuration software
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