Bently Nevada 330400‑01‑RU Piezoelectric Accelerometer Vibration Transducer, ¼‑28 UNF Stud, RU Recognized Certification

Description

Bently Nevada 330400‑01‑RU Piezoelectric Accelerometer Vibration Transducer, ¼‑28 UNF Stud, RU Recognized Certification

Product Details

The 330400‑01‑RU is a 3‑wire piezoelectric casing‑mount accelerometer under Baker Hughes Bently Nevada product line, compliant with API‑670 machinery monitoring standardBaker Hugh…. Origin: USA. Lifecycle status: Active production, original new available.

Ordering code breakdown: ‑ 01: ¼‑28 UNF integral mounting stud ‑ RU: Recognized certification variant

Key technical parameters: ‑ Sensitivity: 100 mV/g (10.2 mV/(m/s²)) ±5% ‑ Measurement range: 50 g peak ‑ Frequency response: 10 Hz‑15 kHz (±3 dB)Baker Hugh… ‑ Resonant frequency:＞30 kHz ‑ Power supply: ‑24 VDC, consumption approx 2 mA ‑ Operating temperature: ‑40℃ ~ +85℃ ‑ Housing: 316L stainless‑steel, IP68 sensor body ‑ Connector: 3‑pin MIL‑C‑5015 receptacle ‑ Weight: 99 g (cable excluded) ‑ Broadband noise floor: 0.039 m/s² rms

It measures casing acceleration vibration for turbines, compressors, gearboxes; outputs analog vibration signal to 3500 / 3300 monitoring racks. Mating cables and connector 00531080 are sold separatelyBaker Hugh….

Applications

‑ Turbo‑machinery casing vibration monitoring for steam/gas turbines, centrifugal compressors ‑ Gear‑box gear‑mesh vibration detection in petrochemical & power plant ‑ Motor and pump condition‑based predictive‑maintenance measurement ‑ Off‑shore and refinery critical rotating machinery protection system ‑ API‑670 compliant machinery protection system retrofit ‑ Spare‑part replacement for Bently Nevada 3500 / 3300 monitoring systems ‑ Hazardous‑area industrial machinery vibration acquisition

330400-01-RU

Related Series Models (6+)

1. 330400‑01‑00 (Standard version without RU certification)
2. 330425‑01‑00 (25 mV/g high‑range accelerometer)Baker Hugh…
3. 330500 Velomitor Piezo‑velocity sensor
4. 130539 (3‑conductor shielded interconnection cable)Baker Hugh…
5. 00531080 (Mating 3‑pin connector)Baker Hugh…
6. 3500/42M (Monitor rack module for accelerometer input)
7. 330400‑02‑RU (Alternative mounting thread variant)

Key Features

1. API‑670 compliant piezoelectric accelerometer for casing vibration measurement of critical rotating equipmentBaker Hugh….
2. 100 mV/g high sensitivity, wide 10 Hz‑15 kHz frequency bandwidth covers unbalance, misalignment and gear‑mesh fault signatures.
3. ¼‑28 UNF integral stud for rigid surface mounting, optimizes vibration transmission.
4. 316L stainless‑steel IP68 housing, adapts to oil‑mist, high‑humidity industrial field environment.
5. RU recognized certification for industrial hazardous‑area installation scenarios.
6. Powered by‑24 VDC, low power consumption, works cooperatively with Bently Nevada 3500 /3300 monitor series.
7. High resonant frequency＞30 kHz, avoids false resonance interference under high‑frequency machinery vibration.
8. Manufactured in USA; original new spare‑parts commercially available.

Main Functions

1. Sense casing acceleration vibration generated by rotating machinery faults (unbalance, misalignment, gear damage, bearing defects).
2. Convert mechanical vibration into proportional analog voltage signal and transmit to monitoring rack.
3. Support gear‑mesh high‑frequency vibration detection for gear‑box health diagnosis.
4. Work together with 3500 system to realize machinery vibration alarm and trip protection.
5. Provide vibration raw data for predictive‑maintenance trend analysis and fault diagnosis.
6. Require dedicated 3‑core shielded cable and mating connector for signal transmission.
7. Installed on bearing housing or equipment casing surface to capture true machinery vibration signatures.
8. Serve as casing‑vibration acquisition sensor for Bently Nevada machinery protection and condition‑monitoring system.