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The 3500/70M 176449-09 135489-01 is an Enhanced Reciprocating Impulse/Velocity Monitor. It acts as a "stethoscope" to precisely capture transient high-frequency impulse signals caused by loose parts, liquid slugs, or valve failures within cylinders or frames, while simultaneously monitoring overall frame vibration velocity. It is a core safety component for preventing catastrophic mechanical failures and ensuring the structural integrity of reciprocating compressors.
Recip Velocity
Impulse Acceleration
Low Frequency Recip Velocity
The 3500/70M Recip Impulse Velocity Monitor is a 4-channel device used as part of the reciprocating compressor solutions package to monitor compressor crankcase and crosshead vibration. The monitor accepts input from seismic transducers, conditions the signal to derive vibration measurements, and compares the conditioned signals with user-programmable alarms.Each channel, depending on configuration, typically conditions its input signal to generate various parameters called static values. You can configure alert setpoints for each active static value and danger setpoints for any two of the active static values.
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description.
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description.
Oil Refining
Detecting Loose Piston Rod Nuts or liquid slugs in hydrogen makeup compressors to prevent catastrophic rod breakage.
Industrial Gases
Protecting reciprocating compressors used for Oxygen or Nitrogen bottling by monitoring cylinder head impulses.
LNG Terminals
Monitoring BOG (Boil-Off Gas) Compressors for abnormal noises or impacts during low-temperature operation.
Pipeline Transportation
Detecting Cylinder Liner Rubbing or abnormal piston impacts at natural gas booster stations.
Steel & Metallurgy
Protecting Coke Oven Gas Compressors from damage caused by internal tar buildup or mechanical impacts.
Natural Gas Gathering & Gathering
Monitoring Frame Vibration and impulse events on field gas compressors to detect foundation loosening or internal impacts.
When using the Bently Nevada 3500/70M module combination, focus on logically setting the impulse alarm thresholds and Event Count to effectively filter normal mechanical pulsations and prevent nuisance trips. Ensure sensors are installed at critical locations like cylinder heads or crosshead guides that directly transmit internal impacts, and strictly verify shield grounding to eliminate high-frequency electromagnetic interference. Additionally, periodically validate the accuracy of frame velocity readings to ensure reliable vibration protection for the machine foundation while monitoring for internal clashing.
It is a 4-channel Reciprocating Acceleration Monitor. The 176449-09 is the main module for impact signal processing, and the 135489-01 is the I/O module for connecting accelerometers or proximity probes.
What is the difference between the 176449-09 and a standard 3500/42M vibration module?
The 176449-09 includes specialized algorithms (like Impact) to filter out normal reciprocating noise and capture high-frequency impacts.
Where is the 3500/70M 176449-09 135489-01 typically applied on a compressor?
Its sensors are typically mounted on the crosshead guides or frame to capture internal mechanical clatter.
What alarm types does the 3500/70M 176449-09 135489-01 support?
It supports Alert and Danger alarms based on "impacts per unit time" or "peak acceleration."
What do the front panel LEDs of the 176449-09 indicate?
A solid OK LED means the module is healthy, TM means Test Mode, and flashing TX/RX indicates data communication.
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We give you access to a global supply of automation parts at your fingertips, ensuring that manufacturers around the world can avoid unnecessary downtime and continue to do what they do best – making our world possible.
Focus on supplying surplus and new automation spare parts With abundant inventory and partnerships with top manufacturers, Apter Power ensure high-quality solutions for your industrial requirements
Key control components
As a trustworthy supplier of surplus components, we procure parts from projects with excess inventory, system upgrades, factory shutdowns, and surplus suppliers. Our strict quality control ensure that our products achieve optimal performance
Warehouse Reserve
Many difficult to find parts, including PLC, HMI, DCS, panel controllers, industrial PCs, and VFDs. These parts help extend the lifespan of your existing system, reduce expensive replacement costs, and minimize downtime, thereby keeping your operations running smoothly
20 years of outstanding experience in industrial automation supply
For over 20 years, Apter Power always been a trustworthy leader in the industrial automation supply industry. As a trustworthy supplier of automation parts, we continuously expand our product line, expand our global customer base, and have won numerous awards
How do we deliver
How do we deliver
If you need complete documents to handle special situations such as letters of credit, we can ship small packages in 'cargo mode'. We can arrange freight or air freight for you, or cooperate with your freight agent
Urgency
If you require any other type of emergency or carrier, we need you to clearly specify this information on the order. We can usually ship on the same day. We do not charge additional fee, but it will depend on the expedited shipping option you use. Please let us know your level of urgency, and we will try our best to ship in the same day once you place order to us.
Freight Charge
If you contact us by phone, fax, or email, we can also provide you with this information. The product price does not include shipping or insurance fee. If you need, we are happy to provide a shipping quote and also can provide weight and size information. If you require proforma invoice, please let us know if you would like us to quote the shipping cost or if you would like us to use your shipping account.
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Urgent requirements for automation or control components?
Urgent shipment of industrial automation parts
Shutdown will waste your time and money - always ready to assist you. As a reliable supplier of automation parts, we provide fast shipping services to quickly deliver critical components to your hands, minimizing downtime to the greatest extent possible.
Obsolute or hard to find parts
We focus on purchasing necessary and rare automation parts to maintain the operation of the manufacturing industry. No matter the year, scarcity, or location of the parts, we will find and deliver the parts you need
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Global supply of automation parts. Automation spare parts procurement and global suppliers can reduce cost, save time, and decrease MRO fee.
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As one of the most trusted suppliers of industrial automation parts, we deeply understand the importance of reliable performance. That's why we exceed industry standards, whether you're replacing old components or maintaining critical systems
Sustainable supply chain solutions
Our long-term success stems from our commitment to quality, reliability, and customer satisfaction. Whether you are purchasing rare spare parts. Apter Power stands out among industrial automation parts suppliers with its rich experience, high-quality service, and unparalleled quality assurance.
Why choose Apter Power?
Spare parts warehouse
We have a warehouse of 50000 square meters, providing tens of thousands of different spare parts, and 24/7 online sales personnel to provide support for you. Always available, crucial for both you and us.
Fast delivery
Experienced team members assist in providing our customers with fast delivery of automation and control components, delivering to over 60000 users worldwide.
High quality new spare parts service
Our extensive inventory of control systems (DCS, PLC, CNC), panel controllers, human-machine interfaces (HMI), industrial PCs, drivers, and power spare parts helps you reduce maintenance costs. Provide industrial automation spare parts that manufacturers no longer provide. We are a leading supplier that provides rare industrial automation parts to businesses of all sizes, with a strong track record of delivering the highest quality parts and services to customers at highly competitive price.
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