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- Bently Nevada
- 3500/25 125800-01
- 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 125800-01 Vibration Transmitter Module
The 3500/25 125800-01 is a high-precision vibration transmitter module, part of the Bently Nevada 3500 Machinery Protection System. This module continuously monitors machinery vibration by processing signals from proximity probes or velocity sensors, converting analog vibration signals into standardized outputs for condition monitoring and protective trips.
Designed to provide early fault detection, the 3500/25 module helps prevent catastrophic machinery failures in critical rotating equipment across various industries, ensuring reliability, safety, and operational efficiency.
Brand and Series
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Brand: Bently Nevada
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Series: 3500 Machinery Protection System – Vibration Transmitter Modules
Applications
This module is widely used in industries requiring robust machinery condition monitoring, including:
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Gas and steam turbines
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Compressors and pumps
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Generators
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Motors and gearboxes
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Industrial fans and blowers
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Marine propulsion systems
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Refining and petrochemical plants
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Power generation facilities
Key Features and Advantages
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High Sensitivity and Accuracy: Precisely converts vibration inputs for accurate machinery condition monitoring.
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Dual-Channel Capability: Supports input from two sensors simultaneously for redundancy and improved diagnostic capability.
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Configurable Outputs: Provides analog 4–20 mA and alarm relay outputs suitable for integration with control systems.
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Robust Signal Conditioning: Incorporates filters and gain settings to optimize measurement for different sensor types.
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Hot-Swappable Module: Can be replaced without interrupting machinery monitoring or control system operation.
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Wide Operating Temperature: Suitable for harsh environments, from –40°C to +85°C.
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Compliance: Meets industry standards including API 670 for machinery protection and SIL certifications.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | 3500/25 125800-01 |
| Function | Vibration transmitter (velocity or proximity input) |
| Input Signal Type | Proximity probe (variable reluctance) or velocity sensor |
| Channels | 1 input channel (supports dual probe input for redundancy) |
| Frequency Range | 5 Hz to 1,000 Hz |
| Output Signal | 4–20 mA analog current |
| Alarm Outputs | Two configurable relay outputs |
| Signal Conditioning | Gain settings and filter adjustments |
| Power Supply | 24 VDC (supplied via rack) |
| Power Consumption | Approx. 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 compliant |
Related Models in the Same Series
| Model | Function | Channels | Dimensions (mm) | Weight (kg) |
|---|---|---|---|---|
| 3500/25 125792-01 | Enhanced Keyphasor Module | 1 | 206 × 32 × 190 | 0.34 |
| 3500/26 125793-01 | Vibration Monitor Module | 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 |
| 3500/45 125838-01 | Position Monitor Module | 4 | 483 × 178 × 89 | 7.7 |
Popular Models from the Same Brand
| Model | Function | Channels | Dimensions (mm) | Weight (kg) |
|---|---|---|---|---|
| 3500/32M 125829-01 | Relay Output Module | 4 | 206 × 32 × 190 | 0.35 |
| 3500/65 125823-01 | Temperature Monitor Module | 16 | 483 × 178 × 89 | 7.7 |
| 3500/61 125824-01 | Temperature Monitor with Recorder | 6 | 483 × 178 × 89 | 7.7 |
| 3500/46M 125831-01 | Hydro Turbine Vibration Monitor | 4 | 483 × 178 × 89 | 7.7 |
| 3500/41M 125825-01 | Overspeed and Thrust Monitor | – | 483 × 178 × 89 | 7.7 |
FAQ – Frequently Asked Questions
Q1: What type of input signals does the 3500/25 125800-01 accept?
A1: It accepts input from proximity probes and velocity sensors to measure machinery vibration.
Q2: How many channels does this module have?
A2: It has one input channel but supports dual probes for redundancy.
Q3: What frequency range can it monitor?
A3: It monitors vibration frequencies from 5 Hz to 1,000 Hz.
Q4: What output signals does it provide?
A4: It provides an analog 4–20 mA output and two configurable alarm relay outputs.
Q5: Can the module be serviced without shutting down the machinery?
A5: Yes, the module is hot-swappable, allowing replacement without stopping operation.
Q6: What is the power consumption of the module?
A6: Approximately 3 watts at 24 VDC.
Q7: What operating temperature range does it support?
A7: It supports operation from –40°C to +85°C.
Q8: Does it comply with industry standards?
A8: Yes, it meets API 670 standards and SIL certification for safety.
Q9: What are the physical dimensions and weight?
A9: Dimensions are 206 mm × 32 mm × 190 mm and weight is about 0.34 kg.
Q10: How does it improve machinery protection?
A10: By providing accurate vibration measurements and configurable alarms, it enables early fault detection and prevents failures.
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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.