Description

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Bently Nevada 3300/50‑02‑01‑00‑00 – Industrial Tachometer Monitor Module

The Bently Nevada 3300/50‑02‑01‑00‑00 is a tachometer monitor module from the long‑standing 3300/50 series used for rotating machinery condition monitoring and protection. It is engineered to provide continuous, real‑time measurements of shaft speed and acceleration, along with zero‑speed indication and industrial‑compatible outputs for integration into control, protection, and monitoring systems.

🧠 Key Overview

Product Type: Tachometer Monitor Module – Single‑channel, industrial

Series: 3300/50 (Bently Nevada)

Main Function: Measures rotating shaft speed, acceleration, and zero‑speed conditions

Manufacturer Origin: United States

Condition: New

Warranty: Typically offered with a one‑year manufacturer or third‑party warranty

Typical Use: Machinery protection systems, vibration/speed monitoring, DCS/PLC integration for critical rotating assets (turbines, compressors, pumps, etc.)

📊 Technical Characteristics

Measurement & Monitoring

Speed Measurement: Rotational speed of shafts

Acceleration: Measures rate of change in speed

Zero‑Speed Detection: Provides indication when shaft speed reaches zero

Accepts probe transducer inputs to derive shaft motion signals.

Inputs & Outputs

Transducer Inputs: Typically two inputs with internal voting logic to enhance reliability

Outputs:

Proportional voltage or current outputs corresponding to measured parameters

Relay contacts for Alert status signaling

Response: Fast signal processing suitable for real‑time monitoring

Provides integration with annunciator panels or machinery protection logic.

Environmental & Electrical

Operating Voltage: Usually 24 V DC

Operating Temperature Range: Approximately −20 °C to +65 °C (varies by vendor data)

Compact industrial form factor suitable for panel or rack mounting

Rugged construction for harsh industrial environments.

🔍 Detailed Feature Summary
Feature Description
Part Number 3300/50‑02‑01‑00‑00
Function Tachometer / Speed & Zero‑Speed Monitor
Sensor Inputs Two transducer inputs (voting logic)
Outputs Proportional voltage/current + relay alert
Monitoring Speed, acceleration, zero speed
Typical Supply 24 V DC
Mounting Industrial monitoring panel / rack
Application Machinery health/speed monitoring

Data compiled from industrial automation sources.

⚙️ Typical Applications

The 3300/50‑02‑01‑00‑00 module is widely deployed across heavy industry sectors where reliable shaft speed monitoring is critical:

Turbine and generator systems – for speed and zero‑speed guard monitoring

Compressors and pumps – ensuring correct operating speeds and preventing overspeed conditions

Machinery protection systems – integrated into alarm/trip logic via proportional outputs and relay contacts

Plant DCS/PLC systems – provides actionable speed/acceleration feedback for process control and safety interlocks

📌 How It Fits in a System

This tachometer module typically forms part of the Bently Nevada 3300/50 rack‑based monitoring system. It interfaces with shaft sensors such as proximity probes or magnetic pickups to accurately derive motion profiles and deliver processed outputs that help operators and control systems maintain machinery health and safety.