Product Overview
The Bently Nevada 3500/72M 140734-08 Reciprocating Rod Position Monitor is designed to continuously monitor the rod position / reciprocating compressors. By providing precise measurements / rod drop and rod position, it helps detect mechanical wear such as crosshead shoe wear, rider band wear, and piston rod misalignment. Integrated into the Bently Nevada 3500 Machinery Protection System, the 3500/72M delivers accurate monitoring, configurable alarms, and seamless connectivity with plant control systems to ensure machinery reliability and safety.
Key Features
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Dedicated reciprocating rod position monitoring for compressors
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Two independent input channels for rod position measurements
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User-configurable alarm setpoints (Alert and Danger) per channel
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Detects crosshead, rider band, and piston rod wear early
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Compatible with proximity probes for accurate rod displacement monitoring
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Seamless integration with Bently Nevada 3500 rack systems
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Rugged industrial design for harsh environments
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サポートs predictive maintenance strategies
Technical Specifications
| Item | Specification |
|---|---|
| Module Type | Reciprocating Rod Position Monitor |
| モデル Number | 3500/72M 140734-08 |
| Channels | 2 independent monitoring channels |
| Measured Parameter | Rod position and rod drop |
| Input Type | Proximity probes (e.g., Bently Nevada 3300 XL series) |
| Alarm Setpoints | 2 per channel (Alert and Danger) |
| System Compatibility | Bently Nevada 3500 rack system |
| Power Supply | Via rack backplane |
| Communication | Interfaces with 3500 rack and external systems |
| Operating Temperature | -30°C to +65°C |
| Storage Temperature | -40°C to +85°C |
| Humidity | 95% non-condensing |
| Dimensions | 241.3 x 24.4 x 241.8 mm |
| 重量 | 0.91 kg |
Industry Applications
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Reciprocating compressors – monitoring rod drop and crosshead shoe wear
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Oil and gas industry – ensuring reliable operation / reciprocating machinery in upstream and downstream applications
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Petrochemical plants – detection / rod misalignment and wear in process-critical compressors
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Power generation – monitoring reciprocating auxiliary equipment for predictive maintenance
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Industrial gas production – improving machinery reliability and extending equipment life
よくある質問 (FAQ)
Q1: What is the function / the 3500/72M 140734-08?
It monitors rod position and rod drop in reciprocating compressors.
Q2: How many channels are available?
It provides 2 independent monitoring channels.
Q3: What type / sensors are used with this module?
It is compatible with proximity probes, such as the Bently Nevada 3300 XL series.
Q4: What types / faults can it detect?
It detects crosshead shoe wear, rider band wear, piston rod misalignment, and excessive rod drop.
Q5: How does it integrate into the system?
It installs into the Bently Nevada 3500 rack system and interfaces with other monitoring modules.
Q6: Does it provide alarm capabilities?
Yes, it supports two configurable alarms (Alert and Danger) per channel.
Q7: Can it be used for predictive maintenance?
Yes, it helps identify wear and misalignment issues early to prevent unplanned downtime.
Q8: What is its operating temperature range?
It operates between -30°C and +65°C.
Q9: Is it suitable for harsh industrial environments?
Yes, it is designed for rugged and demanding applications.
Q10: Which industries use this module most frequently?
It is commonly used in oil & gas, petrochemical, refining, and power generation industries.
Related Modules
| モデル | 説明 |
|---|---|
| 3500/70M 176449-09 | Reciprocating Pulse Velocity Monitor |
| 3500/64M 140734-05 | Dynamic Pressure Monitor |
| 3500/65 172109-01 | RTD/Isolated Tip TC I/O Module |
| 3500/42M 176449-02 | Proximitor/Seismic Monitor |
| 3500/77M 140734-07 | FFT Analyzer Module |
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