Bently Nevada 86691-01250-0400-15 Accelerometer / Vibration Transducer

FAQ

Q1: What is the primary purpose of the Bently Nevada 86691-01250-0400-15?
It is a vibration accelerometer used to measure machine vibration acceleration for condition monitoring and fault detection.

Q2: What sensing principle does this transducer use?
It uses a piezoelectric sensing element that converts vibration acceleration into an electrical output signal.

Q3: What does the “01250” in the model number indicate?
It denotes the length of the cable—approximately 1250 mm—integrated with the sensor for connection to monitoring equipment.

Q4: What kind of output signal does this sensor provide?
The sensor provides an electrical signal proportional to measured acceleration, typically low-impedance voltage or charge output depending on configuration.

Q5: Where is this sensor typically installed?
It is stud-mounted on machine surfaces such as bearing housings, gearboxes, or structural frames where vibration needs to be measured.

Q6: Can this sensor operate in industrial environments?
Yes, its rugged stainless-steel body and industrial design allow use in environments with vibration, temperature extremes, and contaminants.

Q7: What is the approximate operating temperature range?
It is designed to operate reliably roughly from –50 °C up to +120 °C.

Q8: What are the physical dimensions and weight of the sensor?
The accelerometer is approximately 25 mm in diameter, about 40 mm in length, with an integrated ~1250 mm cable, and weighs around 0.15 kg.

86691-01250-0400-15 Bently Nevada

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