Product Overview

The Bently Nevada 200355-00-00-00 is a rugged accelerometer for machinery vibration monitoring. This sensor provides reliable data for predictive maintenance and protection systems.

The sensing element uses ceramic shear technology for excellent stability. A welded hermetic seal protects internal components from moisture and contamination. Consequently, the 200355-00-00-00 suits harsh industrial environments where hazardous area approvals are not required.

Ordering Information Breakdown

The 200355-00-00-00 follows a specific ordering code structure.

• 200355: Accelerometer base model.

• 00: ¼-28 SS with brass tip, 0.5 inch mounting stud.

• 00: 100 mV/g ±20% tolerance.

• 00: No agency approvals.

General Specifications

The 200355-00-00-00 offers robust vibration sensing in a compact package.

• Manufacturer: Bently Nevada.

• Product Type: Accelerometer.

• Country of Origin: Made in U.S.A.

• Hex Size: 11/16 inch (1.8 cm).

• Height: 1.65 inches (4.24 cm).

• Weight: 0.051 kg.

Performance Specifications

The 200355-00-00-00 delivers accurate vibration measurements across a wide frequency range.

• Sensitivity: 100 mV/g ±20% (10.2 mV/m/s² ±20%).

• Frequency Range (±3 dB): 30 to 600,000 cpm (0.5 to 10,000 Hz).

• Measurement Range: ±50g.

• Transverse Sensitivity: ≤7%.

• Amplitude Linearity: ±1%.

• Mounted Resonant Frequency: 1,500 kcpm (25 kHz).

Electrical Specifications

The 200355-00-00-00 uses constant current excitation with IEPE compatibility.

• Broadband Electrical Noise (1-10 kHz): 350 μg (3,434 μm/s²).

• Output Bias Voltage: 8 to 12 VDC.

• Excitation Voltage: 18 to 28 VDC.

• Constant Current Excitation: 2 to 20 mA.

• Settling Time (within 1% of bias): 2.0 seconds.

• Output Impedance: <150 ohms.

• Discharge Time Constant: ≥0.3 seconds.

• Electrical Isolation (Case): >10⁸ ohms.

Environmental Specifications

The 200355-00-00-00 withstands extreme industrial conditions.

• Operating Temperature Range: -54°C to +121°C (-65°F to +250°F).

• Shock Survivability: 5,000 g peak.

• Relative Humidity: 100% relative, condensing, non-submerged.

• Enclosure Rating: IP68.

Mechanical Specifications

The 200355-00-00-00 features rugged stainless steel construction.

• Sensing Element: Ceramic.

• Sensing Geometry: Shear.

• Housing Material: Stainless Steel.

• Sealing: Welded Hermetic.

• Electrical Connector: 2-Pin Mil-C-5015.

• Electrical Connection Position: Top.

Mounting Specifications

The 200355-00-00-00 includes a ¼-28 SS stud with a brass tip.

• Mounting Stud Option: ¼-28 SS with brass tip, 0.5 inch.

• Mounting Thread: 1/4-28 Female.

• Mounting Torque (Maximum): 2 to 5 ft-lb (2.7 to 6.8 N-m).

Note: The brass tip provides a softer contact surface. Consequently, it helps prevent damage to the mounting surface during installation.

Agency Approvals

The -00 approval option indicates no hazardous area certifications. Therefore, the 200355-00-00-00 should not be installed in explosive atmospheres. For hazardous area applications, please consider the -01 approval option models.

Key Features

The 200355-00-00-00 offers several advantages for vibration monitoring.

High Sensitivity:
Provides 100 mV/g ±20% output. Therefore, it detects both low and high amplitude vibrations effectively.

Wide Frequency Range:
Measures from 30 to 600,000 cpm (0.5 to 10,000 Hz). Consequently, it captures a broad spectrum of machinery vibrations.

Rugged Stainless Steel Housing:
The housing material is stainless steel with welded hermetic sealing. Thus, it resists corrosion and moisture ingress.

IP68 Enclosure Rating:
Fully protected against dust and continuous immersion. Hence, it suits submersible and wash-down applications.

Brass Tip Mounting Stud:
The ¼-28 SS stud includes a brass tip. Consequently, mounting surface damage is reduced during installation.

Wide Temperature Range:
Operates from -54°C to +121°C (-65°F to +250°F). Therefore, it works in extreme climate conditions.

High Shock Survivability:
Withstands 5,000 g peak shock without damage. Consequently, it survives harsh machine start-up and trip events.

Low Transverse Sensitivity:
≤7% sensitivity to cross-axis vibrations. Hence, measurements accurately reflect the intended axis.

Excellent Amplitude Linearity:
±1% linearity ensures accurate readings across the measurement range. Thus, reliable protection decisions are supported.

Comparison with 200350 Series

The 200355-00-00-00 is a variant of the 200350 accelerometer series. The key differences include:

• Mounting Stud: ¼-28 SS with brass tip versus stainless steel only.

• Agency Approvals: No hazardous area certifications.

All other performance and environmental specifications remain identical.

Typical Applications

The 200355-00-00-00 suits various vibration monitoring applications.

• Gearbox vibration monitoring on compressors.

• Pump bearing vibration measurement.

• Fan and blower imbalance detection.

• Turbomachinery casing vibration.

• General purpose machinery protection.

Installation Guidelines

Install the 200355-00-00-00 directly on the machine surface. First, prepare a clean, flat mounting surface. Then, apply the ¼-28 SS stud with brass tip. Tighten to 2 to 5 ft-lb (2.7 to 6.8 N-m) maximum torque.

Next, connect the 2-pin Mil-C-5015 connector to the top of the sensor. Apply constant current excitation of 2 to 20 mA at 18 to 28 VDC. The output bias voltage will settle within 2.0 seconds.

The sensor is IP68 rated, so it can be installed in wet or condensing environments. However, do not fully submerge the connector long-term without proper sealing. Since this model has no hazardous area approvals, install it only in safe (non-classified) locations.

What is in the Box

Please inspect all items upon delivery.

• Bently Nevada 200355-00-00-00 accelerometer.

• ¼-28 SS mounting stud with brass tip (0.5 inch).

• 2-Pin Mil-C-5015 top connector (installed).

• Calibration certificate.

• Installation instruction manual.

Frequently Asked Questions (FAQ)

1. What is the sensitivity of the 200355-00-00-00?

The 200355-00-00-00 has a sensitivity of 100 mV/g ±20%. This is equivalent to 10.2 mV/m/s² ±20%.

2. What is the difference between the 200355 and 200350 models?

The 200355-00-00-00 uses a ¼-28 SS mounting stud with a brass tip. The 200350 series typically uses a standard stainless steel stud. Otherwise, the performance specifications are identical.

3. Does this accelerometer have hazardous area approvals?

No. The -00 approval option indicates no hazardous area certifications. Therefore, the 200355-00-00-00 is for non-hazardous (safe area) installations only.

4. What is the IP rating of this accelerometer?

The 200355-00-00-00 has an IP68 enclosure rating. Thus, it is protected against dust and continuous immersion in water.

5. What type of connector does this sensor use?

The 200355-00-00-00 uses a 2-pin Mil-C-5015 connector. The electrical connection position is on the top of the sensor.