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The Bently Nevada 3500/50M 288062-02 is a high-precision dual-channel tachometer module engineered for continuous monitoring of rotating machinery. This module is part of the renowned 3500 Machinery Protection System series, designed to measure speed, direction, and acceleration of shafts in critical industrial equipment. It ensures early detection of abnormal operating conditions, helping prevent costly equipment failures and unscheduled downtime.
Built for rugged industrial environments, the 3500/50M 288062-02 provides reliable and repeatable measurements by supporting a wide variety of sensor inputs. It features advanced alarm functions and is easily integrated into larger condition monitoring frameworks.
Brand: Bently Nevada
Series: 3500 Machinery Protection System
Module Type: Dual-Channel Tachometer / Speed Monitor
| Parameter | Specification |
|---|---|
| Model Number | 3500/50M 288062-02 |
| Function | Dual-channel tachometer: speed, acceleration, rotation direction |
| Number of Channels | 2 |
| Input Sensor Types | Proximity probes, magnetic pickups |
| Keyphasor Output | Yes |
| Alarm Functions | Overspeed, underspeed, zero speed, reverse rotation, acceleration |
| Peak Hold Capability | Yes |
| Power Supply | 3500 Series Rack Backplane |
| Operating Temperature | -40°C to +70°C |
| Storage Temperature | -40°C to +85°C |
| Humidity Range | 0 to 95% non-condensing |
| Dimensions (mm) | 241.3 × 24.4 × 241.8 |
| Weight (kg) | 0.82 kg |
| Compliance | API 670 compatible, CE Compliant |
Monitoring shaft speed and direction in turbines, compressors, and motors
Detecting reverse rotation to prevent mechanical damage
Providing speed feedback for machinery control systems
Monitoring acceleration during startup/shutdown phases
Synchronizing vibration monitoring via Keyphasor outputs
Integrating into safety shutdown systems to confirm zero speed conditions
Asset protection in power generation, oil & gas, and manufacturing plants
Dual Independent Channels: Allows monitoring of two separate shafts or provides redundancy.
Versatile Sensor Compatibility: Supports proximity and magnetic sensors for flexible deployment.
Multiple Alarm Conditions: Comprehensive alarm suite for overspeed, underspeed, reverse rotation, and acceleration anomalies.
Robust Industrial Design: Withstands extreme temperatures and harsh environments.
Compact & Lightweight: Fits standard 3500 racks, simplifying installation and maintenance.
Peak Hold Feature: Captures critical peak speed data to assist in diagnostics.
Keyphasor Output: Enables synchronization with vibration monitoring devices.
Simplified Configuration: User-friendly setup through dedicated configuration software.
| Model Number | Function | Channels | Sensor Compatibility | Dimensions (mm) | Weight (kg) |
|---|---|---|---|---|---|
| 3500/50M 133388-02 | Tachometer, Dual Channel | 2 | Proximity, Magnetic | 241.3 × 24.4 × 241.8 | 0.82 |
| 3500/50 133442-01 | Tachometer | 2 | Proximity, Magnetic | 241.3 × 24.4 × 241.8 | 0.82 |
| 3500/60 133819-01 | Speed and Phase Monitor | 2 | Magnetic/Pulse Sensors | 241.3 × 24.4 × 241.8 | 0.76 |
| 3500/61 164730-01 | Phase and Speed Monitor | 2 | Keyphasor, Pulse Sensors | 241.3 × 24.4 × 241.8 | 0.78 |
| 3500/45 135137-01 | Position Monitor | 2 | LVDT, Proximity | 241.3 × 24.4 × 241.8 | 0.78 |
| Model Number | Function | Channels | Sensor Compatibility | Dimensions (mm) | Weight (kg) |
|---|---|---|---|---|---|
| 3500/22M | Transient Data Interface | 4 | Dynamic Sensors | 241.3 × 24.4 × 241.8 | 0.75 |
| 3500/33 149992-01 | Temperature Monitor | 4 | Thermocouple, RTD | 241.3 × 24.4 × 241.8 | 0.72 |
| 3500/25 125800-01 | Keyphasor Module | 1-2 | Proximity Probes | 241.3 × 24.4 × 241.8 | 0.74 |
| 3500/60 133819-01 | Speed and Phase Module | 2 | Magnetic/Pulse Sensors | 241.3 × 24.4 × 241.8 | 0.76 |
| 3500/45 135145-01 | Position Monitor | 2 | LVDT/Proximity | 241.3 × 24.4 × 241.8 | 0.78 |
Q: What is the main function of the 3500/50M 288062-02?
A: It monitors speed, acceleration, and rotation direction of rotating machinery using two independent channels.
Q: What sensor types are compatible with this module?
A: It supports proximity probes and magnetic pickups.
Q: Does this module provide any output signals for synchronization?
A: Yes, it includes a Keyphasor output for synchronization with other monitoring equipment.
Q: Can the module detect reverse rotation?
A: Yes, it can detect and alert for reverse shaft rotation.
Q: What alarm functions are included?
A: Overspeed, underspeed, zero speed, reverse rotation, and acceleration alarms are all supported.
Q: What are the module’s operating temperature limits?
A: It operates safely between -40°C and +70°C.
Q: How does the module assist with troubleshooting?
A: It has a peak hold function that stores maximum speed data for diagnostic review.
Q: What is the physical size and weight of the module?
A: Dimensions are 241.3 × 24.4 × 241.8 mm, and it weighs approximately 0.82 kg.
Q: Is this module compatible with existing 3500 racks?
A: Yes, it is designed for direct installation in the standard 3500 rack system.
Q: How easy is it to configure the module?
A: The module is configured through user-friendly software, making setup straightforward.
Authenticity guarantee
All product specifications are original and authentic imported products. We have an annual sales volume of 300 million yuan, and we only produce original and authentic products. All customers who cooperate with us directly online can enjoy low discounts.
Free warehouse
We have a complete range of product models, 80% of conventional models are in stock, and we have established channels in Asia, Africa, North America, South America, and Europe, effectively shortening the order processing time and satisfying customers in a timely manner.
Technical Team
Fast delivery. Spot goods can be shipped on the same day, and the delivery time transaction is 20% faster than that of peers on average, with a delivery time accuracy rate of 99%.
Thoughtful after-sales service
24-hour after-sales service guarantee team, professional and standardized management service system.