Bently Nevada 3500/25 126648-01 Keyphasor I/O Module
| Company Information | ||||||||
| [email protected] | ||||||||
| Mobile | +8615305023276 | |||||||
| +8615305023276 | ||||||||
| 15305023276 | ||||||||
| Add to | Room 1004, No. 62 Xiangxiu Li, Siming District, Xiamen City, Fujian Province, China | |||||||
Product Overview
The Bently Nevada 3500/25 126648-01 is an Enhanced Keyphasor I/O Module designed for use within the Bently Nevada 3500 Machinery Protection System. It is a half-height, two-channel module that accepts input signals from proximity probes or magnetic pickups and converts them into precise Keyphasor pulses. These pulses provide accurate reference timing for machinery speed, phase, and vibration analysis. This version supports external terminations, offering flexible wiring options and simplified maintenance for industrial environments.
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Main Features
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Two-channel half-height design, optimized for rack-based monitoring systems
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External termination configuration for flexible installation and simplified cabling
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Converts probe or pickup signals into once-per-turn or multiple-event-per-turn Keyphasor outputs
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High frequency response supporting speeds up to 20 kHz
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Downward-compatible with earlier Keyphasor module versions
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Supports redundant and TMR configurations for critical machinery applications
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Equipped with LED indicators for module health and communication status
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Designed for reliable operation in harsh industrial conditions
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Technical Specifications
Dimensions and Weight
| Item | Specification |
|---|---|
| Dimensions | 241.3 × 24.4 × 103.1 mm |
| Weight | 0.46 kg |
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General Information
| Item | Specification |
|---|---|
| Manufacturer | Bently Nevada (Baker Hughes) |
| Model Number | 3500/25 126648-01 |
| Product Type | Enhanced Keyphasor I/O Module (External Term.) |
| Module Height | Half-height, two-channel |
| Mounting | 3500 rack system |
| Compatibility | Works with Enhanced Keyphasor modules |
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Electrical and Signal Characteristics
| Item | Specification |
|---|---|
| Input Signal Types | Proximity probes, magnetic pickups |
| Input Signal Range | +0.8 V to –21 V (non-isolated); +5 V to –11 V (isolated) |
| Input Impedance | ≥ 21.8 kΩ |
| Input Frequency Range | 1 to 1,200,000 cpm (0.017 to 20 kHz) |
| Output Frequency | 1 to 99,999 cpm (0.017 to 1,667 Hz) |
| Speed Accuracy | ±1 cpm (low range), ±1% (high range) |
| Threshold (Auto) | ≥ 2 V peak-to-peak |
| Threshold (Manual) | Selectable 0 to –20 V DC |
| Hysteresis | Selectable 0.2 to 2.5 V |
| Output Configuration | Buffered Keyphasor outputs (front BNC, rear terminals) |
| Output Impedance | ≤ 504 Ω |
| Transducer Supply | –24 V DC, max 40 mA per channel |
| Indicators | OK, TX/RX LEDs |
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Environmental and Compliance Specifications
| Item | Specification |
|---|---|
| Operating Temp. | –30 °C to +65 °C |
| Storage Temp. | –40 °C to +85 °C |
| Humidity | Up to 95% non-condensing |
| Certifications | CSA / NRTL / CE for industrial use |
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Industry Applications
The Bently Nevada 3500/25 126648-01 Keyphasor I/O Module is widely used across industries that rely on high-speed rotating machinery. Typical applications include:
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Oil & Gas: Turbine and compressor speed/phase reference monitoring
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Power Generation: Generator and steam turbine vibration and shaft speed analysis
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Petrochemical & Chemical Plants: Reactor and pump monitoring with precise phase tracking
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Manufacturing: Motors, blowers, and gearbox condition monitoring
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Mining & Heavy Industry: Harsh-environment machinery monitoring with reliable speed detection
Bently Nevada 3500/25 126648-01 Keyphasor I/O Module is in stock. Please contact us for a quick quote and competitive pricing.
| Company Information | ||||||||
| [email protected] | ||||||||
| Mobile | +8615305023276 | |||||||
| +8615305023276 | ||||||||
| 13950166376 | ||||||||
| Add to | Room 1004, No. 62 Xiangxiu Li, Siming District, Xiamen City, Fujian Province, China | |||||||
Company Introduction
Xiamen Shengruite Trading Co., Ltd. is a company specializing in the supply of industrial PLC spare parts.
We provide high-quality PLC spare parts to customers in the global manufacturing, energy and power, chemical and other fields.
Since its establishment in 2011, after 13 years of rapid development, the cumulative global shipments have reached 223,650 pieces, with an annual output value of US$50 million.
Successfully served more than 500 customers in more than 100 countries and regions including Saudi Arabia, UAE, the United States, Europe, Africa, and Southeast Asia
Our Mission
Provide customers with the best quality PLC spare parts and the fastest delivery service to ensure that their industrial automation systems are always in the best operating condition.
We provide a 1-year warranty service, and we support returns and exchanges for any issues to ensure your rights and interests are fully protected.
We can provide detailed product images upon request, and our team can arrange warehouse photos for confirmation to ensure you have all the information you need before making a purchase.
Shipping times vary depending on your location. With the support of our 16 global warehouses, we strive to deliver orders as quickly as possible. Contact us to get an estimated delivery time for your specific location.
The minimum order quantity (MOQ) is typically one unit. However, for larger orders, please contact us for potential discounts and pricing details.
Yes, we offer competitive pricing for bulk purchases. Please reach out to our sales team with the specifics of your order to receive a custom quote.
We accept various payment methods for wholesale orders, including bank transfers (T/T), letters of credit, and other options upon agreement. For large transactions, please contact us directly for payment terms.
Yes, we offer flexible ordering options for both small and large quantities. Whether youre looking for a single unit or a large batch, we can accommodate your needs.
We occasionally offer promotional discounts for new wholesale customers. Contact us to learn more about any current offers available for first-time buyers.
If you are unsure of compatibility with your existing setup please provide your system details and our support team can verify compatibility prior to purchase.
Returns are accepted within 30 days if the product is unused, unopened, and in its original packaging. Please note that return shipping and associated costs are the buyer\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\’s responsibility.
Yes, we offer technical support for the installation and integration of our products. Our team can assist with setup, configuration, and troubleshooting to ensure a smooth installation.
