Product Description:

The Bently Nevada 330400-02-00 is a high-performance vibration accelerometer transducer, and the 16925-07 is its matching 3-pin shielded interconnect cable used to link the sensor to a continuous monitoring system like the Bently Nevada 3500.These accelerometers are intended for critical machinery applications where casing acceleration measurements are required, such as gear mesh monitoring. It provides an amplitude range of 50 g peak and a sensitivity of 100 mV/g. The 330425 is identical except it provides a larger amplitude range (75 g peak) and a sensitivity of 25 mV/g.

Frequently Asked Questions (FAQ)

Q:How should this sensor be mounted?

A:The sensor features an integral M8 x 1 threaded stud. It must be torqued precisely to 4.1 N·m (3.0 ft·lb) onto a clean, flat, smooth surface to prevent signal attenuation at high frequencies. Improper installation degrades frequency response and causes false resonance peaks.
Q:Can this assembly be used in hazardous environments?
A:No, the -00 approval option means this specific part number does not carry intrinsic safety or explosion-proof certifications (like ATEX or CSA). If your facility requires explosion isolation, you must switch to a variant with a different approval code, such as the -05 (Multiple Approvals) options.

Q:Can I use this accelerometer for velocity measurements?
A:The sensor outputs a raw acceleration voltage. While monitoring systems like the Bently Nevada 3500 can integrate this signal into velocity, extreme caution must be exercised because integration amplifies low-frequency noise. For direct, high-quality casing velocity data, Bently Nevada recommends using the 330500 Velomitor Sensor series instead.

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