200155-10-05 | Bently Nevada Low Frequency Trendmaster Pro Accelerometer

What Is the 200155-10-05?

When monitoring slow rotating shafts or fin-fan applications, the 200155-10-05 from Bently Nevada provides reliable low-frequency vibration data. This Trendmaster Pro accelerometer is engineered for demanding industrial environments where accuracy and durability are critical.

With a sensitivity of 10.2 mV/(m/s²) at 80 Hz, the 200155-10-05 captures subtle vibrations that standard accelerometers might miss. Its low-frequency range from 1.5 to 10,000 Hz makes it ideal for machinery operating at reduced speeds.

Performance Metrics and Core Specs

• Sensitivity: 10.2 mV/(m/s²) at 80 Hz
• Measurement Range: ±196 m/s² (±20 g)
• Frequency Range: 1.5 to 10,000 Hz
• Mounted Resonant Frequency: >20 kHz
• Amplitude Linearity: ±2%
• Transverse Sensitivity: ≤7%
• Settling Time: ≤2000 ms
• Excitation Voltage: 4.7 to 5.5 Vdc
• Quiescent Current: <800 µA
• Output Bias Voltage: +2.5 ± 0.23 Vdc

One standout feature is the 200155-10-05 settling time of ≤2000 ms. This ensures rapid stabilization after power-up, allowing accurate readings sooner in critical monitoring loops.

Real-World Applications

Engineers often select the 200155-10-05 for fin-fan cooling systems and slow rotating shafts in refineries and power plants. Its low-frequency response captures early signs of bearing wear or imbalance before they escalate.

For example, in a fin-fan application, the accelerometer reliably detects vibration changes at rotational speeds below 100 RPM. This early warning helps maintenance teams schedule repairs during planned outages rather than emergency shutdowns.

Additionally, the 200155-10-05 operates across a wide temperature range of -40 °C to +105 °C, making it suitable for outdoor or high-heat environments.

Installation Guide

Mount the 200155-10-05 using the 3/8-24 female thread and apply a mounting torque of 2.7 to 6.8 N·m. The mounting stud option includes a 10 3/8-24 to 1 NPT, 1-3/8 inch hex stud for flexible installation.

Ensure the accelerometer base is clean and flat for optimal coupling. After mounting, allow the 24-hour cure time for any adhesive if used. Verify the excitation voltage is between 4.7 and 5.5 Vdc before powering the device.

Routine Care and Reliability

Periodically inspect the 200155-10-05 for physical damage or contamination. The hermetically sealed 316L stainless steel housing protects against moisture and corrosive atmospheres.

Check the cable and connector for wear, especially in high-vibration areas. The accelerometer’s ceramic shear sensing element maintains accuracy over time, reducing the need for frequent recalibration.

Compatibility and Integration

The 200155-10-05 is designed for use with the ProTIM option low frequency acceleration-to-velocity channel type (-05). It integrates seamlessly into Bently Nevada monitoring systems.

For best results, pair the accelerometer with a compatible data acquisition module that supports its 4.7 to 5.5 Vdc excitation and <800 µA quiescent current.

Common Questions About the 200155-10-05

Q: What is the sensitivity of the 200155-10-05?

A: The sensitivity is 10.2 mV/(m/s²) at 80 Hz, with a tolerance of ±12%.

Q: What is the measurement range of this accelerometer?

A: The measurement range is ±196 m/s² (±20 g).

Q: What is the operating temperature range?

A: The temperature range is -40 °C to +105 °C.

Q: What approvals does the 200155-10-05 have?

A: It has multiple approvals including CSA, ATEX, and IECEx.

Q: What is the mounting thread size?

A: The mounting thread is 3/8-24 female.

Product Support and Availability

The 200155-10-05 is in stock and ready to ship from Petro Auto Tech. Contact our team for current lifecycle status and availability before ordering.