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Product Overview
The Bently Nevada 3500/50M 133388-02 Tachometer Module is a high-performance monitoring device designed to measure rotational speed and provide overspeed protection for critical rotating machinery. As part of the 3500 Machinery Protection System, this module offers precise speed detection using proximity probes or magnetic pickups, ensuring safe and reliable turbine and compressor operation. With advanced signal processing and configurable alarm functions, it delivers exceptional reliability in demanding industrial environments.
Key Features
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High-Speed Measurement: Supports accurate speed detection for a wide range of machinery.
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Multiple Input Compatibility: Works with proximity probes, magnetic pickups, and other speed sensors.
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Overspeed Protection: Configurable alarms for safe shutdown during overspeed events.
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Flexible Configuration: User-defined settings for alarms, scale factors, and outputs.
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High Reliability: Built to operate in harsh industrial environments with minimal maintenance needs.
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Integration Ready: Fully compatible with the Bently Nevada 3500 rack and other monitoring modules.
Technical Specifications
| Item | Specification |
|---|---|
| Module Type | Tachometer Module |
| Part Number | 133388-02 |
| System Compatibility | Bently Nevada 3500 Series |
| Number of Channels | 1 or 2 (configurable) |
| Input Types | Proximity probes, magnetic pickups |
| Frequency Range | Wide range depending on sensor |
| Alarm Types | High speed, overspeed |
| Power Consumption | ≤ 7 W |
| Mounting | 3500 rack slot |
| Operating Temperature | -30°C to +65°C |
| Storage Temperature | -40°C to +85°C |
| Humidity | 95% non-condensing |
| Dimensions | 241.3 x 24.4 x 241.8 mm |
| Weight | 0.91 kg |
Industry Applications
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Turbine Speed Monitoring – Gas, steam, and hydro turbines.
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Compressor Speed Control – Overspeed protection in critical compressors.
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Generator Monitoring – Ensuring operational speed stability.
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Pump and Fan Monitoring – Rotational speed measurement and safety protection.
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Marine and Offshore Machinery – Speed sensing for propulsion systems.
Frequently Asked Questions (FAQ)
Q1: What sensors are compatible with the 3500/50M module?
Compatible with Bently Nevada proximity probes, magnetic pickups, and similar speed sensors.
Q2: Can it be used for overspeed trip protection?
Yes, it is designed with overspeed detection and shutdown capability.
Q3: Is it compatible with all Bently Nevada 3500 racks?
Yes, it works with standard 3500 racks and configuration software.
Q4: Does it support dual-channel configuration?
Yes, it supports 1- or 2-channel operation depending on application needs.
Q5: Can this module operate in extreme environments?
Yes, it is built for industrial-grade environmental tolerance.
Q6: How is configuration done?
Configuration is completed via Bently Nevada’s 3500 configuration software.
Q7: Does it have any self-diagnostic features?
Yes, it performs continuous self-checks to ensure proper function.
Q8: What industries typically use this module?
Power generation, oil and gas, petrochemical, and marine industries.
Q9: What is the typical lifespan of this module?
With proper use, it can last over a decade.
Q10: Is this module hot-swappable?
No, power should be removed before module replacement.
Related Models
| Model | Description |
|---|---|
| 3500/50 133442-01 | Tachometer Module |
| 3500/50 286566-02 | Tachometer Module |
| 3500/50 133388-02 | Tachometer Module |
| 3500/50 288062-02 | Tachometer Module |
Popular Bently Nevada Modules
| Model | Description |
|---|---|
| 3500/42 140471-01 | Proximitor/Seismic Monitor |
| 3500/45 176449-04 | Position Monitor |
| 3500/22M 288055-01 | Transient Data Interface |
| 3500/60 133819-01 | RTD/TC Temperature Monitor |
| 3500/70 140471-01 | Reciprocating Compressor Monitor |
