Overview
The 20015x Accelerometers contain a piezoelectric sensing device that generates a charge when it is subjected to vibration. The accelerometers electronically convert this charge to a differential voltage signal that is proportional to the acceleration that is parallel to the sensitive axis of the transducer
Specification
| Parameter | Specification |
|---|---|
| Model | Bently Nevada 200155-12-05 |
| Series | 20015x Low-Frequency Accelerometer |
| Transducer Type | Case-mounted piezoelectric accelerometer |
| Sensitivity (@ 80 Hz, ±12%) | 10.2 mV/(m/s²) (100 mV/g) |
| Measurement Range | ±196 m/s² (±20 g) |
| Frequency Range (±10%) | 1.5 to 10,000 Hz (90 to 600,000 cpm) |
| Mounted Resonant Frequency | >20 kHz (>1,200 kcpm) |
| Amplitude Linearity (1–10 g pk) | ±2% |
| Transverse Sensitivity | ≤7% |
| Settling Time (within 5% of bias) | ≤2000 ms |
| 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 |
| Broadband Electrical Noise (1 Hz–15 kHz) | 24.5 mm/s² (2.5 mg) |
| Electrical Isolation | 600 Vrms |
| Axial Shock Limit | 49,050 m/s² pk (5,000 g pk) |
| Operating Temperature Range | -40°C to +105°C (-40°F to +221°F) |
| Sealing (Hermetic) | ≤5×10⁻⁸ atm·cc/s (3.1×10⁻⁹ atm·in³/s), maximum |
| Relative Humidity | 100% condensing, non-submerged |
| Housing Material | Stainless steel |
| Connector Type | Top-mounted 5-pin |
| Mounting Thread | 3/8-24 UNF |
| Weight (approx.) | 85 g |
| Compatible Systems | Trendmaster™ ProTIMs, DSMs, and System 1™ systems |
FAQ
It offers a 1.5 Hz low-end frequency response and extended settling time for precise velocity measurement on slow-speed equipment.Q2: Can this sensor be used with the Trendmaster 2000 system?
Yes, it integrates with Trendmaster ProTIMs, DSMs, and System 1™ vibration monitoring systems.
Q3: What is the difference between the 200150 and 200155 models?
The 200155 is optimized for low-frequency applications, while the 200150 covers mid-frequency ranges.
Q4: How is the sensor mounted?
It mounts using a 3/8-24 UNF threaded hole and supports standard Bently Nevada mounting studs or adapters.
Q5: Does it require frequent recalibration?
No. Its stable piezoelectric sensing element and sealed design minimize drift, requiring only periodic verification.
Manual/Datasheet PDF
Bently Nevada Top Products
| 3500 | 3300 | Probe&Cable |
| 3500/05-01-01-00-00-00 | 3300/05-22-00-00 | 990-04-70-01-00 |
| 3500/05-01-01-05-00-01 | 3300/05-24-00-00 | 990-04-70-02-00 |
| 3500/05-01-02-05-00-01 | 3300/45-02-01-03-00 | 990-04-XX-01-00 |
| 3500/05-01-03-05-00-01 | 3300/45-02-02-03-00 | 990-04-XX-03-00 |
| 3500/05-02-04-00-00-00 | 3300/48-01-01-01-00 | 990-05-50-02-01 |
| 3500/05-02-04-00-00-01 | 3300/48-02-01-00-00 | 990-05-70-01-00 |
| 3500/05-02-05-00-00-00 | 3300/50-01-01-00-00 | 990-05-70-01-01 |
| 3500/05-02-05-00-00-01 | 3300/50-02-01-00-00 | 990-05-70-02-00 |
| 3500/20 125744-02 | 3300/20-13-02-01-00-00 | 990-05-70-03-00 |
| 3500/22 125768-01 | 3300/40-13-01-01-00-00 | 990-05-XX-03-05 |
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