Excellent PLC
| Company Information | ||||||||
| [email protected] | ||||||||
| Mobile | +8613666033393 | |||||||
| +8613666033393 | ||||||||
| 13666033393 | ||||||||
| Add | Room 1004, No. 62 Xiangxiu Li, Siming District, Xiamen City, Fujian Province, China | |||||||
Product Description
The Bently Nevada 330500-02-04 Velomitor Piezo-velocity Sensor is engineered to monitor absolute vibration levels on bearing housings, casings, or structural elements of rotating machinery. Utilizing solid-state piezoelectric accelerometer technology with embedded electronics, it offers enhanced reliability with no moving parts. This sensor is suitable for installations in various orientations and harsh industrial environments.
Applications
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Vibration monitoring of turbines, compressors, motors, and pumps
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Detecting mechanical faults like imbalance and misalignment
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Integration into predictive maintenance systems
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Machine casing or bearing housing vibration assessment
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Use in hazardous areas with certified versions
Key Advantages
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Solid-state design ensures long service life
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High shock tolerance (up to 5000 g peak)
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Wide temperature range (-55°C to +121°C)
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Hermetically sealed for environmental resistance
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Can be mounted in any orientation
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Approved for hazardous area use (ATEX, CSA, IECEx)
Technical Specifications
| Parameter | Value |
|---|---|
| Sensitivity | 3.94 mV/mm/s (100 mV/in/s) ±5% |
| Frequency Response | 4.5 Hz to 5 kHz (±3 dB), 6.0 Hz to 2.5 kHz (±0.9 dB) |
| Velocity Range | 1270 mm/s (50 in/s) peak |
| Transverse Sensitivity | <5% of axial sensitivity |
| Amplitude Linearity | ±2% up to 152 mm/s (6 in/s) peak |
| Output Bias Voltage | -12 ±3 VDC |
| Output Impedance | <2400 Ω |
| Noise Floor (4.5 Hz – 5 kHz) | 0.004 mm/s rms |
| Shock Survivability | 5000 g peak |
| Operating Temperature Range | -55°C to +121°C |
| Relative Humidity | Up to 100%, non-submerged |
| Case Material | 316L Stainless Steel |
| Connector | 2-pin MIL-C-5015 |
| Mounting Torque | 32–46 kg·cm (24–40 in-lb) |
| Weight | 0.142 kg (5.0 oz) |
| Sensor Head Diameter | 25.3 mm (0.995 in) |
| Sensor Height | 63.2 mm (2.49 in) |
Frequently Asked Questions (FAQ)
Q1: What type of machines is the 330500 sensor designed for?
A1: It is suitable for monitoring vibration on rotating machinery such as turbines, pumps, motors, and compressors.
Q2: Can this sensor be mounted in any direction?
A2: Yes, the sensor supports vertical, horizontal, or angled installations.
Q3: What is the typical output signal of the sensor?
A3: It provides a velocity-proportional voltage signal of 100 mV/in/s (3.94 mV/mm/s).
Q4: Is this sensor suitable for hazardous environments?
A4: Yes, it holds ATEX, CSA, and IECEx certifications for Zone 0/1 and Zone 2 hazardous areas.
Q5: What is the maximum cable length supported?
A5: Up to 305 meters (1000 feet) without signal degradation when using the correct cable type.
Q6: Does it have a high shock resistance?
A6: Yes, it can withstand shocks up to 5000 g peak.
Q7: What material is the housing made from?
A7: The housing is made of 316L stainless steel for durability and corrosion resistance.
Q8: How is the output polarity defined?
A8: When the sensor case moves toward the connector, Pin A becomes positive relative to Pin B.
Q9: Can the sensor be used with displacement integration?
A9: It is not recommended as electrical noise can distort displacement data.
Q10: Is the sensor case isolated from ground?
A10: Yes, the case is electrically isolated to minimize grounding issues.
Related or Similar Models
| Model Number | Description | Sensitivity | Frequency Range | Weight |
|---|---|---|---|---|
| 330525 | Velomitor with 1/4-18 NPT adapter | 100 mV/in/s | 4.5 Hz – 5 kHz | 0.142 kg |
| 330400 | High-temperature Velomitor sensor | 100 mV/in/s | 5 Hz – 2 kHz | 0.148 kg |
| 330450 | Low-profile velocity sensor | 100 mV/in/s | 4 Hz – 3 kHz | 0.130 kg |
| 991-04-XX-01-02 | Velocity sensor with housing | 100 mV/in/s | 6 Hz – 1 kHz | 0.160 kg |
| 991-06-XX-01-02 | High-output Velomitor | 200 mV/in/s | 5 Hz – 3.5 kHz | 0.165 kg |
| 330780 | Velocity sensor with integral cable | 100 mV/in/s | 3 Hz – 2.5 kHz | 0.150 kg |
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|---|---|---|---|---|
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