Bently Nevada 200155-04-05 Low Frequency Trendmaster Pro Accelerometer

Product Introduction

When monitoring slow rotating shafts and fin-fan applications, the Bently Nevada 200155-04-05 Low Frequency Trendmaster Pro Accelerometer delivers reliable vibration data. This sensor is designed for low frequency measurement, making it ideal for machinery where traditional accelerometers fall short. Part of the Trendmaster Pro family, the 200155-04-05 provides accurate readings to help prevent costly unplanned downtime and extend equipment life.

Technical Specifications Breakdown

The 200155-04-05 offers a sensitivity of 10.2 mV/(m/s²) (100 mV/g) at 80 Hz, ensuring precise low-level vibration detection. Its measurement range of ±196 m/s² (±20 g) covers typical industrial vibration levels. The frequency range from 1.5 to 10,000 Hz (90 to 600,000 cpm) supports low-speed machinery monitoring. With a mounted resonant frequency above 20 kHz (>1200 kcpm), the sensor avoids resonance interference in most applications. The output bias voltage is +2.5 ± 0.23 Vdc, and quiescent current is less than 800 µA, reducing power consumption and wiring costs. These specs translate to reliable data for predictive maintenance, helping you avoid expensive repairs and production losses.

Industry Applications

The 200155-04-05 excels in fin-fan cooling towers and slow rotating shafts (e.g., large fans, centrifuges). In these applications, early detection of bearing wear or imbalance can save thousands in emergency repairs. By integrating this accelerometer into your condition monitoring system, you gain actionable insights that optimize maintenance schedules and reduce total cost of ownership.

Installation & Setup Guidance

Mount the 200155-04-05 using the 3/8-24 female thread with a mounting torque of 2.7 to 6.8 N•m (2 to 5 ft•lbf). The mounting stud option 04 provides a 3/8-24 to 1/4 NPT adapter with a 1-3/8 inch hex plate stud for secure installation. Ensure the sensor is properly seated and the cable is routed to avoid strain. For best results, mount on a clean, flat surface and follow the manufacturer's guidelines for cable shielding and grounding.

Maintenance & Reliability

Routine inspection of the sensor and cable connections helps maintain measurement accuracy. The hermetically sealed 316L stainless steel housing protects against moisture and corrosive environments, reducing replacement frequency. With a temperature range of -40 ºC to +105 ºC (-40 ºF to +221 ºF), the 200155-04-05 withstands harsh conditions, lowering lifecycle costs. Regular calibration checks every 12 months ensure consistent performance and extend service life.

Selection Guide & Purchasing Advice

Before ordering, verify that your system supports the 4.7 to 5.5 Vdc excitation voltage and that the output bias voltage range matches your data acquisition equipment. The 200155-04-05 includes multiple approvals (CSA, ATEX, and IECEx), making it suitable for hazardous areas. Contact BluePLC Industrial for current availability and to confirm compatibility with your existing monitoring system. Their team can help you select the right mounting accessories and cables for a seamless installation.