ProductPRODUCT
Featured products
Contact Us
- Bently Nevada
- 3500/25 128718-01
- Enhanced Keyphasor Module I/O 3500-25
- USA
- 96.5 mm × 203.2 mm × 132 mm
- 0.91kg
- Xiamen, China
- New & In Stock
- T/T, PayPal, Western Union
- 1 Year
- 1-3 Working Days
- DHL, UPS, TNT, FedEx and EMS.
- 24-Hour Service
- COO
- 67
Our advantage
Global Logistics
We have a 10-year logistics and express cooperation agreement, so our products can be shipped to any place in the world.
Brand new and original
Our products are imported in bulk from the place of origin. Because of the cooperative relationship, our products are all original and 100% new.
24-hour service
We provide 7*24 hours service to our customers. We will be there whenever you need us.
Price advantage
All our products are priced very favorably because we have our own warehouse and supply.
| Company Information | |||
| sales@plc-automations.com | |||
| Mobile | +8615980777398 | ||
| +8615980777398 | |||
| 15980777398 |
Product Overview: Bently Nevada 3500/25 128718‑01 Enhanced Keyphasor Module
The 3500/25 128718‑01 is an advanced Keyphasor signal conditioning module tailored for the 3500 Machinery Protection System. It features dual input and output channels to accept signals from proximity probes or magnetic pickups and provide high-fidelity Keyphasor pulses for sophisticated phase-based monitoring across multiple system components.
Brand and Series
-
Brand: Bently Nevada
-
Series: 3500 Machinery Protection System – Keyphasor Signal Conditioning Modules
Applications
This module excels in critical rotating machinery scenarios requiring accurate phase reference signals, including:
-
Turbine monitoring: phase-synchronized vibration analysis
-
Compressor diagnostics: detecting surge or stall events
-
Pump and motor protection: cavitation and alignment detection
-
Generator analysis: eccentricity and shaft vibration phase tracking
-
Marine propulsion systems: torsional vibration monitoring
-
Harsh industrial environments: refineries, power plants, petrochemicals
Key Features & Advantages
-
Dual inputs and outputs ensure redundancy and flexibility in phase signal distribution
-
High-frequency processing up to 100 kHz enables precise phase tracking even at high RPM
-
Wide operating temperature range (–40 °C to +85 °C) ensures reliable performance under extreme conditions
-
Rugged housing with NEMA 4X (IP66) protection for harsh ambient environments
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | 3500/25 128718‑01 |
| Input Voltage | 10–30 V DC |
| Input Channels | 2 (magnetic pickup or proximity probe) |
| Output Channels | 2 (Keyphasor pulses) |
| Signal Frequency Processing | Up to 100 kHz |
| Operating Temperature | –40 °C to +85 °C |
| Dimensions (W × H × D) | 96.5 mm × 203.2 mm × 132 mm (3.8″ × 8.0″ × 5.2″) |
| Weight | Approx. 0.91 kg (2.0 lb) |
| Enclosure Rating | NEMA 4X / IP66 |
Related Models in the Same Series
| Model | Function | Dimensions (mm) | Weight (kg) |
|---|---|---|---|
| 3500/25 128718‑01 | Enhanced Keyphasor Module (this one) | 96.5 × 203.2 × 132 | ≈ 0.91 |
| 3500/25 125792‑01 | Enhanced Keyphasor (standard form) | ≈ 206 × 32 × 190 | ≈ 0.34 |
| 3500/25 125800‑01 | Vibration Transmitter Module | ≈ 206 × 32 × 190 | ≈ 0.34 |
| 3500/26 125793‑01 | Vibration Monitor Module | ≈ 206 × 32 × 190 | ≈ 0.34 |
| 3500/42M | 4-Channel Proximitor/Seismic Monitor | ≈ 483 × 178 × 89 | ≈ 7.7 |
Popular Models from the Same Brand
| Model | Function | Dimensions (mm) | Weight (kg) |
|---|---|---|---|
| 3500/44M | Gas Turbine Vibration Monitor | ≈ 483 × 178 × 89 | ≈ 7.7 |
| 3500/46M | Hydro Turbine Vibration Monitor | ≈ 483 × 178 × 89 | ≈ 7.7 |
| 3500/32M | 4-Channel Relay Output Module | ≈ 206 × 32 × 190 | ≈ 0.35 |
| 3500/65 | 16-Channel Temperature Monitor | ≈ 483 × 178 × 89 | ≈ 7.7 |
| 3500/61 | Temperature Monitor with Recorder | ≈ 483 × 178 × 89 | ≈ 7.7 |
FAQ – Frequently Asked Questions
Q1: What type of sensors can be connected?
A1: Accepts magnetic pickups (tachometers) or proximity probes for phase reference.
Q2: How many input and output channels are included?
A2: Two input channels and two output channels.
Q3: What is the maximum signal processing frequency?
A3: Can process signal frequencies up to 100 kHz
Q4: What is the operating temperature range?
A4: Operational between –40 °C and +85 °C
Q5: What are its physical dimensions?
A5: Width 96.5 mm, Height 203.2 mm, Depth 132 mm (3.8″ × 8.0″ × 5.2″)
Q6: How heavy is the module?
A6: Approximately 0.91 kg (2.0 lb)
Q7: What enclosure rating does it have?
A7: NEMA 4X / IP66—suitable for harsh, industrial environments
Q8: What is its main purpose in a monitoring system?
A8: To deliver robust, isolated Keyphasor pulses for phase synchronized machinery diagnostics.
Q9: Can it withstand industrial environmental conditions?
A9: Yes, rated for wide temperature extremes and protected enclosure for rugged use.
Q10: What makes this version notable?
A10: Enhanced dual-channel capability and high-frequency processing support advanced diagnostics in complex systems.
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.