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- Bently Nevada
- 3500/25 126398-01
- Enhanced Keyphasor Module I/O 3500-25
- USA
- 206 mm × 32 mm × 190 mm
- 0.34kg
- Xiamen, China
- New & In Stock
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Product Overview: Bently Nevada 3500/25 126398-01 Vibration Transmitter Module
The 3500/25 126398-01 is a vibration transmitter module designed to provide accurate, reliable vibration monitoring for rotating machinery. It forms part of the Bently Nevada 3500 Machinery Protection System, converting vibration signals from proximity probes or velocity sensors into standardized output signals for condition monitoring and machinery protection.
This module plays a vital role in early fault detection, helping to protect machinery assets and optimize maintenance schedules in various industrial sectors.
Brand and Series
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Brand: Bently Nevada
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Series: 3500 Machinery Protection System – Vibration Transmitter Modules
Applications
The 3500/25 126398-01 module is used extensively in:
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Steam and gas turbines
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Compressors and pumps
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Generators and motors
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Gearboxes and industrial fans
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Petrochemical and refining plants
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Power generation stations
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Marine propulsion systems
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Critical rotating equipment in harsh environments
Key Features and Advantages
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High Precision Vibration Measurement: Converts proximity or velocity sensor signals to accurate analog outputs for real-time monitoring.
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Dual Sensor Input Capability: Supports two sensors simultaneously for redundancy and fault tolerance.
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Configurable Output and Alarm Relays: Allows flexible integration with control systems and protective trips.
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Robust Signal Processing: Includes adjustable gain and filtering to optimize performance for various sensors and conditions.
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Hot-Swappable Design: Enables module replacement without downtime, improving operational availability.
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Wide Temperature Range: Operates reliably from –40°C to +85°C, suitable for extreme conditions.
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Industry Compliance: Meets API 670 and SIL safety standards for machinery protection.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | 3500/25 126398-01 |
| Function | Vibration transmitter (velocity or proximity input) |
| Input Signal Type | Proximity probes, velocity sensors |
| Channels | 1 input channel with dual sensor redundancy support |
| Frequency Range | 5 Hz to 1,000 Hz |
| Output Signal | 4–20 mA analog current |
| Alarm Outputs | Two configurable relay contacts |
| Signal Conditioning | Adjustable gain and filtering |
| Power Supply | 24 VDC (rack supplied) |
| Power Consumption | Approximately 3 W |
| Operating Temperature | –40°C to +85°C |
| Dimensions (H × W × D) | 206 mm × 32 mm × 190 mm |
| Weight | 0.34 kg |
| Certifications | API 670, SIL certified |
Related Models in the Same Series
| Model | Function | Channels | Dimensions (mm) | Weight (kg) |
|---|---|---|---|---|
| 3500/25 125800-01 | Vibration transmitter module | 1 | 206 × 32 × 190 | 0.34 |
| 3500/25 125792-01 | Enhanced Keyphasor Module | 1 | 206 × 32 × 190 | 0.34 |
| 3500/26 125793-01 | Vibration monitor | 1 | 206 × 32 × 190 | 0.34 |
| 3500/33M 125852-01 | Transient Data Interface (TDI) | – | 206 × 32 × 190 | 0.38 |
| 3500/44M 125837-01 | Aeroderivative Gas Turbine Monitor | 4 | 483 × 178 × 89 | 7.7 |
Popular Models from the Same Brand
| Model | Function | Channels | Dimensions (mm) | Weight (kg) |
|---|---|---|---|---|
| 3500/65 125823-01 | Temperature Monitor Module | 16 | 483 × 178 × 89 | 7.7 |
| 3500/41M 125825-01 | Overspeed and Thrust Monitor | – | 483 × 178 × 89 | 7.7 |
| 3500/32M 125829-01 | Relay Output Module | 4 | 206 × 32 × 190 | 0.35 |
| 3500/46M 125831-01 | Hydro Turbine Vibration Monitor | 4 | 483 × 178 × 89 | 7.7 |
| 3500/61 125824-01 | Temperature Monitor with Recorder | 6 | 483 × 178 × 89 | 7.7 |
FAQ – Frequently Asked Questions
Q1: What sensors does the 3500/25 126398-01 accept?
A1: It accepts proximity probes and velocity sensors as inputs.
Q2: How many input channels are available?
A2: It has one input channel but supports two sensors for redundancy.
Q3: What is the frequency range of this module?
A3: It operates from 5 Hz to 1,000 Hz for vibration measurement.
Q4: What output signals does it provide?
A4: It outputs a 4–20 mA analog signal and has two relay alarm outputs.
Q5: Can this module be replaced without shutting down the system?
A5: Yes, it is hot-swappable, allowing maintenance without interruption.
Q6: What is the operating temperature range?
A6: The module functions reliably between –40°C and +85°C.
Q7: What certifications does this module have?
A7: It complies with API 670 and SIL safety standards.
Q8: What are the module’s dimensions and weight?
A8: Dimensions are 206 mm × 32 mm × 190 mm, weighing about 0.34 kg.
Q9: How does it help in machinery protection?
A9: By providing accurate vibration data and configurable alarms for early fault detection.
Q10: What is the power consumption?
A10: The module consumes approximately 3 watts at 24 VDC.
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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.
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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%.
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24-hour after-sales service guarantee team, professional and standardized management service system.