Description
3300/20-12-01-01-00-01 Bently Nevada Monitor Core Analysis
I. Product Positioning and Functions
3300/20-12-01-01-00-01 is a dual-thrust position monitor in the Bently Nevada 3300 series, specifically designed for continuous measurement and monitoring of the axial position of rotating machinery (such as turbines, compressors, generators, etc.). Its core functions include:
Dual-channel independent monitoring
The module provides two independent channels, enabling simultaneous monitoring of two different positions of the same shaft ring or shaft, thereby enhancing the accuracy and reliability of monitoring.
Early detection of thrust bearing faults
By accurately measuring the axial position, it is possible to detect the wear or failure of the thrust bearing at an early stage, preventing serious damage to the equipment.
High-precision measurement and anti-interference design
Using an approaching probe to measure the gap voltage, high-precision axial position monitoring is achieved.
The system has a high degree of resistance to radio frequency interference (RFI) and electromagnetic interference (EMI), meeting the requirements of the European CE marking.
Technical Specifications and Features
Input and Output
Input Signal: Supports gap voltage signals from proximity probes (such as the 330101-330106 series), with a measurement range covering low speeds (above 200 rpm) to high-speed applications.
Output Signal: Provides two buffered key signal outputs for synchronous sampling with other monitoring modules (such as vibration and speed modules).
Voting Logic and False Alarm Protection
Supports AND voting logic (dual probe redundant configuration), where both sensors must simultaneously reach or exceed the alarm set point to activate the alarm relay, effectively preventing false alarms caused by a single sensor failure.
Users can configure alarm set points, channel selection, etc., to adapt to different application scenarios.
LED Status Indicators
Each channel is equipped with a green (OK) and red (Alarm/Danger) LED indicator, providing an intuitive display of the operating status and alarm status of the monitor, sensor, and on-site wiring.
Supports the First Out function, indicated by the flashing alarm LED for the first channel that triggers the alarm.
Physical and Environmental Parameters
Dimensions: 5.1 cm × 20.3 cm × 30.5 cm.
Weight: Approximately 1 kg.
Operating Temperature: -40°C to +85°C.
Humidity: 95% (no condensation).
Protection Grade: Meets industrial environment usage requirements.
3300/20 Series
3300/20-03-013300/20Dual Thrust Monitor
3300/20-11-01-01-00-023300/20Dual Thrust Monitor
3300/20-12-01-01-00-003300/20Dual Thrust Monitor
3300/20-01-01-02-01-00Dual Thrust Monitor
3300/20-XX-03-01-00-00Dual Thrust Monitor
3300/20-12-01-01-00-01Dual Thrust Monitor
3300/20-02-01-01-00-00Dual Thrust Monitor
3300/20-01-04-02-00-00Dual Thrust Monitor
3300/20-12-01-01-00-01Dual Thrust Monitor
3300/20-12-01-00-00-00Dual Thrust Monitor
Other Monitor or Communication Processor
3300/15 Dual Vibration Monitor 104535-01
3300/16 Dual Vibration w/Gap Monitor 104535-02
3300/20 Dual Thrust Position Monitor 104535-03
3300/25 Dual Accelerometer Monitor 104535-04
3300/26 Dual Accelerometer RMS Monitor 104535-05
3300/30 Six-channel Thermocouple Input Temperature Monitor 104535-06
3300/35 Six-channel RTD Input Temperature Monitor 104535-07
3300/45 Dual Differential Expansion Monitor 104535-08
3300/46 Ramp Differential Expansion Monitor 104535-09
3300/47 Complementary Input Differential Expansion Monitor 104535-10
3300/48 Case Expansion Monitor 104535-11
3300/50-01 Dual Setpoint Tachometer 104535-12
3300/50-02 Zero Speed Tachometer 104535-17
3300/50-03 Rotor Acceleration Tachometer 104535-18
3300/55 Dual Velocity Monitor 104535-13
3300/61 Dual Vector Monitor 104535-14
3300/65 Dual Probe Monitor 104535-15
3300/70 Dual Valve Position Indicator 104535-16
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