Manufacturer : Bently Nevada

Product No. : 200155-04-CN

Product Type : Accelerometers

Excitation Voltage: 4.7 to 5.5 Vdc

Polarity (Acceleration from Base to Connector): SIG+ positive with respect to SIG-.

Quiescent Current: <800 µA

Output Bias Voltage: +2.5 ± 0.23 Vdc

Sensitivity @ 80 Hz (± 12%): 10.2 mV/(m/s²) (100 mV/g)

Axial Shock Limit: 49,050 m/s² pk (5,000 g pk)

Temperature Range: -40 ºC to +105 ºC (-40 ºF to +221 ºF)

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 200155-04-CN Accelerometer used for?

A: It is designed for industrial vibration monitoring and condition-based maintenance, helping detect issues such as imbalance, misalignment, and bearing faults in rotating machinery.

Q2: What is the 200155-04-CN excitation voltage requirement?

A: The sensor operates with an excitation voltage of 4.7 to 5.5 VDC, ensuring stable and reliable signal output.

Q3: What is the 200155-04-CN quiescent current?

A: The quiescent current is less than 800 µA, which supports low power consumption in continuous monitoring systems.

Q4: What is the 200155-04-CN output bias voltage?

A: It provides an output bias voltage of +2.5 V ± 0.23 VDC, ensuring a consistent baseline for accurate vibration measurements.

Product Applications 

Electric power industry: Monitoring the low-speed oscillation and vibration of gas turbines, steam turbines and power generation units.

Petrochemical industry: Used for real-time status monitoring of centrifugal compressors, pump sets and fans to prevent equipment failure that leads to shutdown.

Steel and papermaking: Monitoring the operational stability of large transmission shafts and mills.

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