200157-19-05 | Bently Nevada 100 mV/g Enveloping Trendmaster Pro Accelerometer

Introduction to the 200157-19-05 Bently Nevada Accelerometer

When machinery reliability demands precise vibration data, the 200157-19-05 provides a cost-effective solution for early fault detection. This Bently Nevada Enveloping Trendmaster Pro accelerometer is engineered for roller element bearing analysis and cavitation monitoring. With a sensitivity of 10.2 mV/(m/s²) (100 mV/g) at 80 Hz, it captures subtle vibration changes that signal impending failures. By detecting issues early, this sensor helps avoid unplanned downtime and reduces maintenance costs over the equipment lifecycle.

Key Features and Technical Specifications

• Sensitivity: 10.2 mV/(m/s²) (100 mV/g) at 80 Hz, ±12%.
• Measurement Range: ±245 m/s² (±25 g) peak.
• Frequency Range: 10 to 10,000 Hz (600 to 600,000 cpm), referenced to 80 Hz.
• Mounted Resonant Frequency: >20 kHz (>1,200 kcpm).
• Amplitude Linearity: ±2% (1 to 10 g pk).
• Transverse Sensitivity: ≤7%.
• Excitation Voltage: 4.7 to 5.5 Vdc.
• Quiescent Current: <800 µA.
• Output Bias Voltage: +2.5 ± 0.23 Vdc.
• Temperature Range: -40 °C to +105 °C (-40 °F to +221 °F).

The high sensitivity and wide frequency range make the 200157-19-05 ideal for catching bearing wear before it escalates into costly repairs. Its hermetic sealing (5×10⁻⁸ atm·cc/s max) ensures reliable performance in harsh environments, extending sensor life and reducing replacement expenses.

Applications and Use Cases

This accelerometer is specifically designed for roller element bearing monitoring and detecting cavitation effects in rotating machinery. In industrial settings such as pumps, motors, and compressors, the 200157-19-05 provides early warning of bearing degradation. By integrating this sensor into a predictive maintenance program, facilities can schedule repairs during planned outages rather than reacting to unexpected failures, directly lowering operational costs.

Installation and Setup

Mount the 200157-19-05 using the 3/8-24 female thread and apply a mounting torque of 2.7 to 6.8 N·m (2 to 5 ft·lbf). The 19 Quick-Set XDCR adapter simplifies installation with a 1-inch hex stud. Ensure the mounting surface is clean and flat for optimal vibration transfer. Allow a 24-hour cure time after installation before taking critical measurements. Proper installation maximizes measurement accuracy and sensor longevity, reducing the need for recalibration or replacement.

Maintenance and Reliability

Routine inspection of the accelerometer and its cabling helps maintain reliable data. The 200157-19-05 operates in 100% condensing humidity (non-submerged) and withstands axial shock up to 49,050 m/s² pk (5,000 g pk). Its stainless steel housing (316L) resists corrosion, contributing to a long service life. Regular verification of output bias voltage and sensitivity ensures consistent performance, minimizing unexpected measurement drift that could lead to false alarms or missed faults.

FAQ about the 200157-19-05

What is the sensitivity of the 200157-19-05 accelerometer?

The sensitivity is 10.2 mV/(m/s²) (100 mV/g) at 80 Hz, with a tolerance of ±12%.

What is the measurement range of this Bently Nevada sensor?

The measurement range is ±245 m/s² (±25 g) peak.

What temperature range can the 200157-19-05 withstand?

It operates from -40 °C to +105 °C (-40 °F to +221 °F).

What mounting thread does the 200157-19-05 use?

It uses a 3/8-24 female thread with a recommended mounting torque of 2.7 to 6.8 N·m (2 to 5 ft·lbf).

Is the 200157-19-05 suitable for roller element bearing monitoring?

Yes, it is specifically designed for roller element bearing applications and cavitation detection.

Product Support and Availability

The 200157-19-05 Bently Nevada accelerometer is in stock and ready to ship from Petro Auto Tech. Contact our team for pricing and lead time information.