Product Name: Recip Impulse/Velocity Monitor
Brand Name: Bently Nevada
Model Number: 3500/70M 176449-09
Place of Origin: United States
Warranty: 12 Months
Whatsapp：+86 18020776782
Email：[email protected]
overview
| Product Name | Recip Impulse/Velocity Monitor |
| Brand Name | Bently Nevada |
| Model Number | 3500/70M 176449-09 |
| Place of Origin | USA |
| Warranty | 12 months |
| Payment Methods | T/T |
| Shipment | DHL/UPS/EMS/Fedex... |
The Bently Nevada 3500/70M 176449-09 Recip Impulse/Velocity Monitor is an advanced monitoring module designed for reciprocating compressor vibration analysis, including crankcase and crosshead vibration measurement. Manufactured by Bently Nevada, it is part of the 3500 machinery protection system, providing high-precision signal processing for critical rotating and reciprocating equipment.
This 4-channel module accepts inputs from proximity probes and seismic transducers, converting raw signals into accurate vibration data. It is widely used in industrial applications where reliable reciprocating machinery monitoring is essential for operational safety and performance.
The 3500/70M 176449-09 Recip Impulse/Velocity Monitor performs real-time vibration monitoring and signal processing for reciprocating machinery. It accepts up to four input signals from proximity probes or seismic sensors and converts them into measurable vibration parameters such as impulse acceleration and velocity.
It also supports configurable measurement modes, including Impulse Acceleration, Acceleration 2, Recip Velocity, and Low-Frequency Recip Velocity. The module enables precise angular band analysis with adjustable band start (0–359°) and band duration (1–360°), making it suitable for detailed crankshaft and crosshead behavior analysis. Additionally, it provides system status feedback and integrates into the 3500 rack for machinery protection and diagnostics.
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| Product Name | Bently Nevada 3500/70M 176449-09 Recip Impulse/Velocity Monitor |
| Manufacturer | Bently Nevada |
| Product Type | Recip Impulse/Velocity Monitor |
| Part Number | 3500/70M 176449-09 |
| Dimensions | 2.5x25.6x24cm |
| Weight | 0.82kg |
| Place of shipment | Xiamen, China |
| Country of origin | USA |
| Condition | New & Original in Factory Packing |
| Signal | Accepts from 1 to 4 proximity probe signals |
| Input impedance | 10 kΩ acceleration input >1 MΩ velocity input |
| Special inhibit | Contact closure 5 Vdc @ 390μA typical |
| Power consumption | 7.7 watts, nominal |
| OK LED | Indicates when the 3500/70M Recip Impulse Velocity Monitor is operating properly |
| TX/RX LED | Indicates when the 3500/70M Recip Impulse Velocity Monitor is communicating with other modules in the 3500 rack |
| Bypass LED | Indicates when the 3500/70M Recip Impulse Velocity Monitor is in Bypass Mode |
| Accuracy | Within ± 0.33% of full-scale typical,± 1% maximum, Exclusive of filters |
| Band start | 0 to 359°, 1° resolution |
| Band duration | 1 to 360°, 1° resolution Rack Space Requirements 1 full-height front slot |
| Operating Temperature | -30°C to +65°C (-22°F to +149°F) |
| Storage Temperature | -40°C to +85°C (-40°F to +185°F) |
| Humidity | 95% Non-condensing |
The 3500/70M 176449-09 Recip Impulse/Velocity Monitor features high-input impedance design (10 kΩ for acceleration and >1 MΩ for velocity), ensuring accurate signal conditioning with minimal interference. It supports flexible configuration through 3500 Rack Configuration Software, allowing customization of each channel’s monitoring function.
The module includes three LED indicators: OK (system status), TX/RX (communication status), and Bypass (bypass mode indicator) for real-time operational awareness. It offers low power consumption at 7.7 watts nominal and occupies a single full-height slot in the 3500 rack.
With precise angular resolution (1° increments for both band start and duration), it enables highly detailed vibration analysis. The device is also designed for durability, operating in temperatures from -30°C to +65°C, with storage capability from -40°C to +85°C and humidity tolerance up to 95% non-condensing.
The Bently Nevada 3500/70M 176449-09 Recip Impulse/Velocity Monitor delivers high measurement accuracy within ±0.33% of full scale (typical) and ±1% maximum, ensuring dependable performance in demanding industrial environments. Its advanced signal processing capability enables precise detection of mechanical anomalies in reciprocating equipment, improving overall machine reliability.
The module is highly efficient, consuming only 7.7 watts nominal power while supporting multi-channel input processing. Its configurable architecture allows optimization for different monitoring requirements, enhancing system flexibility and reducing the need for additional hardware. Real-time LED status indicators and rack communication ensure continuous operational awareness, supporting predictive maintenance strategies and minimizing unplanned downtime.
Q1: What type of machinery is the 3500/70M 176449-09 Recip Impulse/Velocity Monitor mainly used for?
A: The 3500/70M 176449-09 Recip Impulse/Velocity Monitor is mainly used for reciprocating machinery such as compressors, especially for crankcase and crosshead vibration monitoring.
Q2: Can the Bently Nevada 3500/70M 176449-09 handle multiple sensor inputs?
A: Yes, the 3500/70M 176449-09 Recip Impulse/Velocity Monitor supports 1 to 4 input channels from proximity probes or seismic transducers.
Q3: How does the3500/70M 176449-09 Recip Impulse/Velocity Monitor display system status?
A: The 3500/70M 176449-09 uses OK, TX/RX, and Bypass LED indicators to show operating status, communication activity, and bypass condition.
Q4: What configuration flexibility does the 3500/70M 176449-09 provide?
A: The 3500/70M 176449-09 allows each channel to be independently configured for different measurement modes, including impulse acceleration and velocity monitoring.
Q5: What is the installation requirement for the 3500/70M 176449-09 Recip Impulse/Velocity Monitor?
A: The 3500/70M 176449-09 occupies one full-height front slot in the 3500 rack system.
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