Bently Nevada 200155-02-05 Low Frequency Trendmaster Pro Accelerometer

Product Introduction

When monitoring slow rotating shafts and fin-fan applications, the Bently Nevada 200155-02-05 Low Frequency Trendmaster Pro accelerometer delivers reliable vibration data. This sensor is engineered to capture low-frequency signals that standard accelerometers miss, helping you detect early signs of mechanical wear. Built for harsh industrial environments, it offers a robust solution for condition monitoring programs.

Technical Specifications Breakdown

The 200155-02-05 provides a sensitivity of 10.2 mV/(m/s²) (100 mV/g) at 80 Hz, ensuring accurate low-frequency measurements. Its frequency range spans 1.5 to 10,000 Hz (90 to 600,000 cpm), making it ideal for slow-speed machinery. The mounted resonant frequency exceeds 20 kHz (>1200 kcpm), minimizing interference from structural resonances. With an excitation voltage of 4.7 to 5.5 Vdc and quiescent current below 800 µA, this accelerometer integrates easily into existing monitoring systems. The output bias voltage is +2.5 ± 0.23 Vdc, providing a stable reference for data acquisition.

Industry Applications

Fin-fan cooling systems often operate at low rotational speeds, making vibration monitoring challenging. The 200155-02-05 excels here, detecting subtle changes that indicate bearing degradation or imbalance. Similarly, slow rotating shafts in pumps and compressors benefit from its low-frequency sensitivity. By catching faults early, you reduce unplanned downtime and extend equipment life. This accelerometer is also suitable for large paper machine rolls and other slow-speed rotating assets.

Installation & Setup Guidance

Mount the 200155-02-05 using the 3/8-24 female thread with a mounting stud option of 3/8-24 to 3/8-24 UNF 1-3/8 inch hex plate stud. Apply a mounting torque between 2.7 to 6.8 N•m (2 to 5 ft•lbf) to ensure proper coupling. The sensor requires a 24-hour cure time after installation for optimal performance. Use the ProTIM option for low frequency acceleration-to-velocity channel type (-05) to match the accelerometer's output. Verify that the excitation voltage stays within 4.7 to 5.5 Vdc to avoid damage.

Maintenance & Reliability

Routine inspection of the accelerometer's cable and connector prevents signal degradation. The hermetically sealed design (5x10⁻⁸ atm•cc/s maximum) protects against moisture and contaminants, even in 100% condensing humidity. With an axial shock limit of 49,050 m/s² pk (5,000 g pk), the sensor withstands occasional impacts. The 316L stainless steel housing resists corrosion in harsh environments. Periodic calibration checks ensure measurement accuracy over the long term.

Selection Guide & Purchasing Advice

Before ordering, confirm that your monitoring system supports the 200155-02-05's sensitivity and frequency range. The multiple approvals (CSA, ATEX, and IECEx) allow use in hazardous areas. Verify the mounting thread compatibility with your equipment. For complete technical specifications for the 200155-02-05, please contact BluePLC Industrial. Our team can help you select the right accelerometer for your application and ensure seamless integration.