Bently Nevada 200350-02-00-00 Seismic Transducer | New Original

The Bently Nevada 200350 Accelerometer Series comprises general-purpose, case-mounted piezoelectric transducers engineered for rugged machinery protection and continuous vibration monitoring. Built to withstand harsh industrial environments, these sensors feature hermetically sealed stainless steel housings and reliable MIL-C-5015 top-mounted connectors.Within this series, the 200350-02-00-00 model delivers a standard sensitivity of 100 mV/g and is specifically optimized for seamless integration with Trendmaster Pro constant current input cards. Utilizing a 1/4-28 bottom mounting thread, it effectively converts physical asset vibration into accurate differential voltage signals for critical turbines, compressors, and pumps.

 

Model Breakdown for 200350-02-00-00

This specific configuration of the Bently Nevada 200350 accelerometer series is factory-designated with the following exact options:
200350 – AA - BB - CC
A: Mounting Stud
02---¼-28 to M8 x 1.25 Stainless Steel
B: Tolerance
00---100 mV/g ± 20% (10.2 mV/m/s^2 ± 20%)
C: Approvals
00---Standard build with no hazardous area approvals.

Note on Performance: The 200350-02-00-00 configuration features a standard sensitivity of 100 mV/g with a high mounted resonant frequency of 25 kHz, making it exceptionally reliable for general-purpose industrial machinery and case-mounted seismic monitoring.

Proper signal transmission and hardware integration are critical for accurate vibration monitoring. Because the 200350-02-00-00 relies on an external constant current excitation source (typically 2 to 20 mA) and outputs a dynamic voltage signal, it must be paired with compatible rack or module hardware to process the raw data safely and reliably.

To achieve full system compatibility, the transducer integrates directly with the following Bently Nevada monitoring infrastructure:

• 149811-02 (Trendmaster Pro Constant Current Direct Input Card): This is the most standardized and widely deployed module paired with the sensor, designed to supply power and process continuous vibration data seamlessly within a Trendmaster framework.
• 164746-01 (Seismic Direct Input Card): Serving as a fully compatible alternative input module, it accurately captures and interprets the differential voltage signals generated by the piezoelectric accelerometer for critical asset protection.

When executing complex industrial projects or facing harsh environmental demands, the standard 200350-02-00-00 configuration can be seamlessly adapted or substituted using official Bently Nevada variants.

Hazardous Area Approvals (Suffix Upgrades)

For oil, gas, and petrochemical tenders requiring strict safety compliance, the core mechanical and electrical performance remains identical, but the model code can be extended for hazardous certifications:

• Upgrade Options: 200350-02-00-01 or 200350-02-00-CN
• Key Benefit: Incorporates multi-country intrinsic safety and explosion-proof certifications, including ATEX, IECEx, and North American CSA approvals.

High-Temperature Engineering Alternatives

If your monitoring application involves extreme thermal stress-such as high-temperature refinery pumps or steam turbine bearing housings-the standard temperature limits require a heavy-duty counterpart from the same datasheet family:

Proper mechanical installation is essential to ensure accurate high-frequency vibration transmission and prevent false readings. Follow these engineering practices when mounting the sensor:

1. Surface Preparation: The mounting surface must be flat, smooth, and spot-faced to ensure complete, rigid contact with the base of the transducer. Any gaps or surface irregularities will attenuate high-frequency signals and compromise measurement accuracy.
2. Mounting Thread & Torque: The sensor utilizes a standard 1/4-28 female thread on the bottom casing. Use a compatible mounting stud or bolt, and torque it securely according to standard mechanical guidelines to prevent loosening under heavy industrial vibration.
3. Threadlocking Compound: Apply a thin layer of silicone grease or threadlocker if recommended for your specific operating environment, ensuring it does not interfere with the metal-to-metal acoustic coupling.
4. Cable Connection: Attach the mating cable to the top-mounted 2-Pin Mil-C-5015 electrical connector, hand-tightening the threaded collar to maintain the IP68 hermetically sealed rating and secure signal integrity against moisture and oil ingress.

Field Installation Checklist & Recommended Accessories

Before mounting your transducer on-site, verify the physical hardware and adhere to these technical precautions:

When dealing with unexpected vibration spikes, zero readings, or erratic signals from the 200350-02-00-00 seismic transducer, field technicians can systematically isolate root causes using the following diagnostic guide:

Zero or Flatline Output:

• Possible Cause: Loss of constant current excitation power or a broken signal wire.
• Resolution: Verify that the monitoring system input card (such as the 149811-02 or 164746-01) is supplying the proper constant current. Check continuity across the top-mounted 2-Pin Mil-C-5015 connector and inspect the cabling for breaks or loose terminals.

Excessive Noise or High-Frequency Interference:

• Possible Cause: Electromagnetic interference (EMI) or improper grounding of the signal shield.
• Resolution: Ensure the signal cable is shielded and that the shield is grounded at a single point (typically at the monitor rack). Confirm that the cable is routed away from high-voltage power lines or variable frequency drives (VFDs).

Erratic Readings or Signal Drift:

• Possible Cause: Loose mounting stud or degraded acoustic coupling.
• Resolution: Check the 1/4-28 mounting interface. If the sensor is loose, re-torque it to specification. Clean the mounting surface to remove paint, scale, or grease buildup that might compromise metal-to-metal contact.

Low Sensitivity or Amplitude Attenuation:

• Possible Cause: Over-tightening of the mounting stud causing mechanical strain on the piezoelectric crystal, or exposure exceeding the operating temperature limit.
• Resolution: Inspect the sensor base for physical distortion. Verify that the operating environment has not exceeded the standard limit of +121 °C (+250 °F); if thermal limits were breached, replace the unit with a high-temperature variant (such as the 200355 series).

Once your 200350-02-00-00 is up and running, use this routine upkeep table to monitor its long-term health and prevent unexpected in-service drift:

Pro-Tips for Field Technicians

• Tip 1:Document Baseline Shifts. Always log the output sensitivity during your annual shaker table test. A gradual drift of more than 10% compared to factory specs usually indicates internal piezoelectric crystal degradation or thermal shock damage, signaling that it is time for a replacement unit.
• Tip 2: Keep Spare Caps Handy. Always keep protective dummy plugs or dust caps on hand. If you have to disconnect the sensor temporarily for troubleshooting, cap the connector immediately to keep plant contaminants and moisture out of the contacts.

Instead of a generic list of industries, the best way to understand where the 200350-02-00-00 accelerometer operates is to look at the actual heavy-machinery scenarios and plant environments where reliability engineers rely on it daily:

• Gas & Steam Turbine Balance-of-Plant: In high-speed power generation setups, the 200350-02-00-00 is frequently surface-mounted on bearing housings to track high-frequency casing vibrations and gear mesh issues. Its wide frequency response (up to 10,000 Hz) allows engineers to catch early-stage blade passing or bearing micropitting before it turns into a catastrophic trip.
• Heavy Industrial Compressors & Pumps: For large centrifugal and reciprocating compressors operating in continuous petrochemical or oilfield processing lines, this transducer handles harsh physical environments. Paired with its 1/4-28 to M8 mounting stud, it stays rigidly locked to compressor stages, withstanding severe continuous operational shaking and high ambient moisture.
• Critical Balance-of-Plant Gearboxes: In heavy manufacturing or power plant auxiliary systems, gearboxes experience complex load shifts. The shear-mode ceramic design of the 200350-02-00-00 ensures that transverse sensitivity remains low (under 7%), giving reliability teams clean, uncorrupted vibration signals even when mounted near noisy, multi-axis drive systems.

Based on the official Bently Nevada datasheet specifications, here is the compliance and certification breakdown corresponding to the exact part number configuration (200350-02-00-00):

Hazardous Area Approvals (Option CC: 00):

• The specific base configuration 200350-02-00-00 carries No Approvals (00) as a standard factory build.
• Note: For hazardous location installations requiring certifications such as CSA, ATEX, or IECEx (Intrinsically Safe / Non-Incendive ratings like Ex ia IIC T4 or Ex nL IIC T4), the part number must be specified with the 01 approval option.

Ingress Protection (Enclosure Rating):

Rated to IP68 (fully sealed, dustproof, and protected against continuous immersion under specified pressure when paired with a properly torqued 2-Pin Mil-C-5015 mating connector).

Environmental & Physical Compliance:

• Operating Temperature Range: -65 °F to +250 °F (-54 °C to +121 °C).
• Relative Humidity: 100% relative humidity, condensing, non-submerged.
• Shock Survivability: Up to 5,000 g peak.

Electrical Isolation:

Case electrical isolation greater than 10^8 ohms, preventing ground loop interference under standard industrial operating conditions.

We stock the following Bently Nevada vibration monitoring components and legacy spare parts (new, factory sealed or thoroughly tested surplus):

• 200350-02-00-00, 200350-02-00-01, 200350-02-00-CN
• 200355-02-00-00
• 149811-02 & 164746-01

All units include:

• Original Bently Nevada packaging
• Clear product status report (date code, firmware version if available)
• 1-year warranty

Lead time: Same-day processing for in-stock items. Shipping via DHL, UPS, or FedEx.

Contact now

Need help verifying firmware compatibility or safety certification requirements?

• Email: sales7@apterpower.com
• WhatsApp: +86 180 3017 5807
• Response time: < 2 hours during business hours (GMT+8)