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Tachometer Module Bently Nevada 3300/50-02-02-00-00

Tachometer Module Bently Nevada 3300/50-02-02-00-00

Product Description

The 3300/50-02-02-00-00 is a single-channel Rotor Acceleration Tachometer designed for the Bently Nevada 3300 Monitoring System platform by Baker Hughes - Bently Nevada.

Unlike standard speed monitors, this configuration measures...

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Availability: Low stock: 10 left

SKU: 3300/50-02-02-00-00
Vendor: Bently Nevada
Category: Tachometer Module
Related Series:

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Product Description

The 3300/50-02-02-00-00 is a single-channel Rotor Acceleration Tachometer designed for the Bently Nevada 3300 Monitoring System platform by Baker Hughes - Bently Nevada.

Unlike standard speed monitors, this configuration measures both shaft speed (RPM) and angular acceleration, making it ideal for detecting:

  • Zero-speed condition

  • Reverse rotation

  • Excessive acceleration or deceleration

  • Startup and coast-down abnormalities

It is widely used for turbine and compressor protection during critical operating phases.

Technical Specifications

Parameter Specification
Model 3300/50
Full Configuration 3300/50-02-02-00-00
Measurement Mode Rotor Acceleration
Relay Type Hermetically sealed relays
Input Signal Proximitor or Magnetic Pickup (MPU)
Output Signal 4–20 mA or 1–5 Vdc
Scaling Jumper configurable RPM & acceleration ranges
Signal Processing Frequency-to-voltage conversion
Dimensions 5.1 cm × 20.3 cm × 33.0 cm
Weight 1.5 kg

Industrial Applications

  • Gas and steam turbine startup monitoring

  • Compressor acceleration control

  • Zero-speed verification before turning gear engagement

  • Overspeed and rapid load-change detection

FAQ

Why monitor acceleration instead of only RPM?
Acceleration monitoring detects abnormal rate-of-change conditions, such as startup hang-ups or sudden load drops, which may not be visible from steady-state RPM alone.

Is the module hot-swappable?
Trips should be bypassed before removal to avoid unintended machine shutdown due to loss of speed signal.