Bently Nevada 3500/77M 140734-07 Monitoring module

The Bently Nevada 3500/77M 140734-07 is a four-channel cylinder pressure monitor. Here is its detailed introduction:
I. Product Positioning and Functions
Positioning: 3500/77M is a key module in the Bently Nevada 3500 series of online monitoring and protection system, specifically designed for cylinder pressure monitoring.
Functions:
Four-channel monitoring: It can simultaneously receive and process signals (psia) from four Bently licensed positive pressure third-party pressure sensors, achieving comprehensive monitoring of cylinder pressure.
Alarm and Protection: Continuously compares the monitored parameters with the user-programmed alarm set points. When the parameters exceed the safety range, the alarm mechanism is immediately activated to protect the mechanical equipment from damage.
Information Provision: Provides important machine information for operators and maintenance personnel, including eight proportional values (PPL) related to cylinder pressure operation, such as exhaust pressure, intake pressure, maximum pressure, minimum pressure, compression ratio, etc., as well as key parameters such as peak piston rod pressure, peak piston rod tension, and piston rod reversal angle.

Technical Specifications and Features
Input Signal: Receives channel signals (psia) from 1 to 4 licensed positive pressure third-party pressure sensors from Bently.
Output Proportional Value: Each channel provides eight PPL values related to cylinder pressure operation, of which five are directly related to combustion chamber parameters and three are calculated by combining channel values and mechanical parameters.
Compatibility: Compatible with other modules and sensors of the Bently Nevada 3500 series, allowing seamless integration into existing monitoring systems.
Reliability: Subject to strict quality control and testing, ensuring long-term stable operation in harsh industrial environments.

Application scenarios:
Power industry: Used for monitoring the cylinder pressure of steam turbines, generators, etc., to ensure the safe operation of the equipment.
Petrochemical industry: Real-time monitoring of cylinder pressure in key equipment such as compressors and expanders to prevent equipment failures caused by abnormal pressure.
Other industrial fields: Applicable to any rotating mechanical equipment that requires precise monitoring of cylinder pressure, such as steel, papermaking, renewable energy power generation, etc.

Features

1) Accepts 1 to 4 channels

2) Frequency response: 0 to 5.5 kHz

3) hree measured variables: Peak rod compression,Peak rod tension,Degree of rod reversal

4) Pressure accuracy: 0.5% from 0.5 to 10.0 volts at 77°F,1.0% from 0.5 to 10.0 volts over 22 to 150°F)

5) Front panel LEDs: OK, TX/RX, Bypass

6) Transducer power supply: 23.0 ±0.8 Vdc with 24.5 ma current limiting

Any inquiries, kindly contact Trixie Tin freely!