Bently Nevada 200355-02-00-CN Accelerometer Overview

The Bently Nevada 200355-02-00-CN is a 200350 series accelerometer made in the USA. This sensor measures vibration on industrial rotating machinery. The mounting stud option 02 provides a ¼-28 to M8 x 1.25 BeCu (Beryllium Copper) adapter for flexible installation. Beryllium copper offers excellent corrosion resistance and non-sparking properties. Tolerance option 00 delivers 100 mV/g ±20% sensitivity for standard monitoring systems. Agency approval option CN indicates country specific certifications. Therefore, verify local acceptance before installing this version in hazardous areas. The sensing element uses ceramic material with shear geometry for excellent stability.

Sensitivity & Frequency Response

The Bently Nevada 200355-02-00-CN offers reliable sensitivity specifications. Sensitivity is 100 mV/g ±20% (10.2 mV/m/s² ±20%) for direct monitoring interface. Frequency range at ±3 dB spans 30-600,000 cpm (0.5-10,000 Hz) . This wide range covers most machinery fault frequencies. Measurement range reaches ±50g for high-amplitude applications. Transverse sensitivity is less than ≤7% for minimal cross-axis error. Amplitude linearity holds at ±1% for accurate measurements across the full range. Mounted resonant frequency is 1500 kcpm (25 kHz) for high-frequency response capability.

Now consider the electrical noise performance. Broadband electrical noise from 1-10 kHz measures 350 μg (3,434 μm/s²) . This low noise floor enables detection of small vibration changes. Output bias voltage ranges from 8 to 12 VDC for standard interface compatibility. Excitation voltage must be 18 to 28 VDC for proper sensor operation. Constant current excitation requires 2 to 20 mA from the power supply. Settling time within 1% of bias is only 2.0 seconds for fast startup.

Output & Impedance Specifications

The Bently Nevada 200355-02-00-CN provides consistent output characteristics. Output impedance is less than 150 ohms for driving long cables. Discharge time constant reaches ≥0.3 seconds for low frequency response. Electrical isolation between case and circuit exceeds 10⁸ ohms. Consequently, grounding the case does not affect measurement quality. The sensing element uses ceramic material with shear geometry for excellent temperature stability. This shear design minimizes base strain sensitivity compared to compression designs.

Environmental & Mechanical Specifications

The Bently Nevada 200355-02-00-CN operates in demanding environmental conditions. Operating temperature range spans -54°C to +121°C (-65°F to +250°F) . Shock survivability reaches 5,000 g peak for rugged durability. Relative humidity tolerance goes to 100% condensing, non-submerged conditions. Enclosure rating is IP68 for complete dust and water immersion protection. The housing is welded hermetic for permanent sealing.

Now examine the mechanical construction details. Hex size is 11/16 inch (1.8 cm) for wrench access. Height measures 1.65 inches (4.24 cm) from mounting surface to connector top. Weight is only 0.051 kg for minimal added mass on machinery. Housing material is stainless steel for excellent corrosion resistance. Sealing is welded hermetic to prevent moisture ingress. Electrical connector is 2-pin Mil-C-5015 for reliable field connections. Electrical connection position is top mounted for easy access. Mounting thread is 1/4-28 female for stud or screw attachment. Mounting torque maximum ranges from 2 to 5 ft-lb (2.7 to 6.8 N-m) .

Beryllium Copper Stud Benefits

The Bently Nevada 200355-02-00-CN includes a beryllium copper mounting stud. BeCu offers several advantages over standard steel studs. First, it provides excellent corrosion resistance in harsh environments. Second, beryllium copper is non-sparking for hazardous area safety. Third, this material maintains strength at elevated temperatures. Therefore, the BeCu stud is ideal for chemical plants and offshore installations. The stud adapts from 1/4-28 female threads on the sensor to M8 x 1.25 male threads for machine mounting.

Key Features & Benefits

• Beryllium copper stud – The 200355-02-00-CN includes a non-sparking BeCu mounting adapter.

• High sensitivity output – Delivers 100 mV/g for direct monitoring interface.

• Wide frequency range – Covers 0.5 Hz to 10 kHz for comprehensive vibration analysis.

• Welded hermetic seal – IP68 rated housing protects against moisture and contaminants.

• Ceramic shear element – Provides excellent temperature stability and low base strain sensitivity.

• Fast settling time – Only 2.0 seconds to within 1% of bias for quick system startup.

Installation Guidelines

Follow these steps to install the Bently Nevada 200355-02-00-CN correctly. First, clean the mounting surface thoroughly to remove oil and debris. Second, install the ¼-28 to M8 x 1.25 beryllium copper adapter stud. Third, tighten the stud to the recommended torque for your machine material. Fourth, thread the accelerometer onto the stud by hand until snug. Fifth, tighten the sensor to 2 to 5 ft-lb (2.7 to 6.8 N-m) maximum torque. Finally, connect the 2-pin Mil-C-5015 connector until fully seated.

Do not exceed 5 ft-lb of mounting torque to avoid damage. Use only approved cables for country specific installations. Also, avoid routing sensor cables near high voltage sources. The 200355-02-00-CN requires 18-28 VDC excitation with 2-20 mA constant current. Verify output bias voltage reads between 8 and 12 VDC after connection.

Package Contents

Your shipment includes the following items:

• 1 x Bently Nevada 200355-02-00-CN accelerometer

• 1 x ¼-28 to M8 x 1.25 beryllium copper mounting stud

• 1 x Installation instruction sheet with wiring diagram

• 1 x Calibration certificate with individual sensitivity data

• 1 x Country specific approval documentation sheet

No interconnecting cable is included with the 200355-02-00-CN. Therefore, you must order a compatible 2-pin Mil-C-5015 cable separately. Likewise, no additional mounting hardware is provided.

Frequently Asked Questions (FAQ)

1. What is special about the beryllium copper mounting stud?
The BeCu stud on the 200355-02-00-CN is non-sparking and corrosion resistant. This makes it ideal for hazardous area installations where standard steel studs are not permitted.

2. What does the CN agency approval mean?
The CN option indicates country specific approvals for the 200355-02-00-CN. Therefore, check local requirements before installation in hazardous locations.

3. Can this sensor be used in submerged applications?
Yes. The Bently Nevada 200355-02-00-CN has IP68 rating and welded hermetic sealing. However, the connector must remain properly mated for full submersion protection.

4. What excitation current does this accelerometer require?
The 200355-02-00-CN requires constant current excitation between 2 and 20 mA. Standard industrial IEPE power supplies typically provide 4-10 mA.

5. Is the sensor case electrically isolated?
Yes. Electrical isolation between the case and circuit exceeds 10⁸ ohms. Therefore, grounding the sensor case does not affect the measurement signal.

Why Choose the Bently Nevada 200355-02-00-CN?

This 200350 series accelerometer delivers reliable vibration measurements with a specialized mounting solution. For starters, the Bently Nevada 200355-02-00-CN includes a beryllium copper mounting stud. BeCu provides non-sparking, corrosion-resistant performance for hazardous environments. The 100 mV/g sensitivity offers direct interface with standard monitoring systems. Frequency range from 0.5 Hz to 10 kHz covers most machinery monitoring needs. The ceramic shear sensing element provides excellent temperature stability and low base strain sensitivity. Furthermore, the welded hermetic stainless steel housing achieves IP68 rating for harsh conditions. Operating temperatures from -54°C to +121°C suit both outdoor and high-temperature applications. Fast settling time of 2.0 seconds enables quick system commissioning. Most importantly, the 200355-02-00-CN provides country specific approvals for various international installations.

Order the Bently Nevada 200355-02-00-CN today for your specialized vibration monitoring needs. This sensor is perfect for refineries, chemical plants, offshore platforms, and other applications requiring beryllium copper mounting hardware.