200157-01-05 | Bently Nevada Enveloping Accelerometer 3/8-24

The Bently Nevada 200157-01-05 is a Connector for industrial control and automation applications.

Bently Nevada 200157-01-05 is an Enveloping Trendmaster Pro accelerometer designed for roller element bearing and cavitation monitoring. It provides a sensitivity of 10.2 mV/(m/s²) (100 mV/g) at 80 Hz with ±12% tolerance. As industries have evolved toward predictive maintenance, the need for reliable vibration data from critical rotating machinery has grown. This accelerometer meets that need with a robust design and multiple approvals.

What are the key specifications of the 200157-01-05 accelerometer?

This unit accelerometer delivers precise measurements for condition monitoring. Its technical parameters include:

• Sensitivity: 10.2 mV/(m/s²) (100 mV/g) at 80 Hz, ±12%
• Measurement Range: ±245 m/s² (±25 g)
• Frequency Range: 10 to 10,000 Hz (600 to 600,000 cpm), referenced to 80 Hz, ±10%
• Mounted Resonant Frequency: >20 kHz (>1200 kcpm)
• Amplitude Linearity: ±2% (1 to 10 g pk)
• Transverse Sensitivity: ≤7%
• Settling Time: ≤300 ms (within 5% of bias)
• Excitation Voltage: 4.7 to 5.5 Vdc
• Quiescent Current: <800 µA
• Output Bias Voltage: +2.5 ±0.23 Vdc
• Axial Shock Limit: 49,050 m/s² pk (5,000 g pk)
• Temperature Range: -40 °C to +105 °C (-40 °F to +221 °F)
• Sealing: Hermetic, 5X10⁻⁸ atm•cc/s maximum
• Relative Humidity: 100% condensing, non-submerged
• Size (Hex x Height): 17.5 mm x 45.7 mm (11/16 in x 1.8 in)
• Weight: 58 g (2.0 oz) typical
• Mounting Thread: 3/8-24 female
• Mounting Torque: 2.7 to 6.8 N•m (2 to 5 ft•lbf)
• Sensing Element: Ceramic, shear geometry
• Housing and Connector Material: 316L stainless steel

How does This unit support roller bearing monitoring?

This accelerometer is specifically intended for roller element bearing and certain types of cavitation effects. It is used with ProTIM Option -06, which provides standard acceleration-to-velocity with acceleration enveloping channel type. The enveloping technique helps detect early signs of bearing degradation by filtering low-frequency noise and highlighting impact events. With a frequency range up to 10,000 Hz and a mounted resonant frequency above 20 kHz, the sensor captures high-frequency energy indicative of bearing faults.

This unit features multiple approvals (CSA, ATEX, and IECEx) for use in hazardous areas. Its hermetic sealing and wide temperature range ensure reliable operation in demanding environments. The 316L stainless steel housing resists corrosion, while the 3/8-24 female thread allows secure mounting with the included adhesive mount frames (option 01).

For genuine Bently Nevada original spare parts and technical support, contact TenBN — an authorized distributor. TenBN offers fast global shipping from China and competitive pricing for industrial MRO.