Manufacturer : Bently Nevada

Product No. : 200155-08-CN

Product Type : Enveloping Trendmaster Pro Accelerometer

Excitation Voltage: 4.7 to 5.5 Vdc

Quiescent Current: <800 µA

Output Bias Voltage: +2.5 ± 0.23 Vdc

Mounted Resonant Frequency: >20 kHz (>1200 kcpm)

Temperature Range: -55 ºC to +121 ºC (-67 ºF to +250 ºF)

Cure Time: 24 hours

Mounted Resonant Frequency: >20 kHz (>1200 kcpm)

Amplitude Linearity (1 to 10g pk): ±2%

Transverse Sensitivity: ≤7%

The 20015x Accelerometers are general-purpose, wide-frequency, case-mounted seismic transducers designed for use with Trendmaster ProTIMs.

The 200150 Accelerometer also operates with the Trendmaster 2000 system. The accelerometer interfaces with the 200100 Dual Acceleration to Velocity flexiTIM Module and the 89130-01 Acceleration-to-Velocity TIM (Transducer Interface Module), as well as the 1900/25 and 1900/27 monitors.

The 20015x Accelerometers feature a hermetically sealed, stainless steel case. This design provides an extremely rugged transducer that is well suited for harsh industrial environments. The transducer’s top-mounted, 5-pin connector allows you to easily install and remove the interconnecting signal cable. A 3/8-24 threaded hole on the bottom of the sensor’s casing accommodates several mounting options.

The 20015x Accelerometers contain a piezoelectric sensing device that generates a charge when subjected to vibration. The accelerometers electronically convert this charge to a differential voltage signal that is proportional to the acceleration parallel to the sensitive axis of the transducer.

Frequently Asked Questions

Q1: What is the Bently Nevada 200155-08-CN used for?

A: This is an enveloping accelerometer designed for advanced vibration analysis, especially for detecting high-frequency faults such as bearing defects and gear damage in rotating machinery.

Q2: What is the 200155-08-CN output bias voltage?

A: It provides an output bias voltage of +2.5 V ± 0.23 VDC, ensuring a consistent and reliable signal baseline.

Q3: What is the 200155-08-CN excitation voltage requirement?

A: The sensor requires an excitation voltage of 4.7 to 5.5 VDC, ensuring stable and accurate operation.

Q4: What is the 200155-08-CN quiescent current?

A: The quiescent current is less than 800 µA, enabling low power consumption for long-term monitoring.

Product Applications

Electric power industry: Used for vibration monitoring of hydroelectric generating units and low-speed rotating shafts of steam turbines, it captures low-frequency signals to warn of bearing wear or imbalance.

Petrochemical industry: Monitors the shell vibration of large compressors, fans, and pump sets to ensure the safe operation of production lines in high-temperature and high-pressure environments.

Steel metallurgy: Installed on heavy low-speed equipment such as rolling mills to detect structural loosening or mechanical failures.

Papermaking and cement: Suitable for long-term online monitoring of low-speed rotating equipment such as large drums and mills.

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