Description
Bently Nevada 3500/77M-03-00 Reciprocating Cylinder Pressure Monitor Module
Bently Nevada 3500/77M-03-00 is a professional 4-channel cylinder pressure monitoring module exclusively built for the Bently Nevada 3500 series machinery protection system, dedicated to reciprocating compressor real-time pressure signal acquisition and safety protection. As the core monitoring component for reciprocating equipment, the 3500/77M-03-00 receives signals from pressure transducers, calculates key operating metrics including suction/discharge pressure, compression ratio and rod reversal degree, and executes automatic alarm interlock based on programmable thresholds. Adopting high-fidelity signal conditioning and industrial anti-vibration design, the 3500/77M-03-00 delivers precise long-term monitoring data to avoid severe mechanical damage and unplanned shutdown of reciprocating compressors.
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Core Product Specifications
- Brand: Bently Nevada
- Model: 3500/77M-03-00
- Availability: In Stock
- Delivery Time: Within 3 working days after payment confirmation
- Guarantee: 12 months warranty
- Condition: Brand New Original
- Input/Output: 4-channel pressure transducer signal input; supports 4-20mA analog data output and multi-level alarm signal transmission
- Operating Temperature: -40°C to 85°C, fits harsh industrial cabinet and outdoor equipment environments
- Size/Weight: Standard 3500 rack plug-in module, net weight about 0.84kg, easy hot swap replacement
- Communication: Fully compatible with 3500 rack backplane bus, seamless data linkage with System 1 condition monitoring software
Key Features & Advantages
- Multi-Parameter High-Precision Calculation
Supports real-time computation of 8 core reciprocating machine indicators, with pressure measurement accuracy within ±0.5% full scale at 25°C and 0–5.5kHz wide frequency response, capturing tiny cylinder pressure fluctuations for early fault diagnosis.
- Customizable Dual-Stage Safety Interlock
Equipped with independent Alert and Danger programmable setpoints for all monitored parameters. It triggers graded alarm signals or machine trip logic once pressure exceeds safe limits to protect compressor cylinder and piston assemblies.
- Rugged Industrial Environmental Adaptability
Compliant with API 670 machinery monitoring standards, built with shock-resistant PCB and wide temperature hardware. It maintains stable signal acquisition under vibration, temperature fluctuation and electromagnetic interference in heavy industrial sites.
Industry Applications
- Oil & Gas Compression Stations: Real-time cylinder pressure monitoring for reciprocating natural gas compressors in upstream extraction and pipeline transportation.
- Petrochemical Refineries: Deployed on process reciprocating compressors to monitor abnormal pressure pulsation and prevent equipment fatigue failure.
- Chemical Processing Plants: Used for hydrogen, ammonia and chemical medium reciprocating compressor safety protection and performance efficiency analysis.
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