Products Description
BENTLY NEVADA 330525-CN Piezo-velocity Sensor
The BENTLY NEVADA 330525-CN Piezo-velocity Sensor is designed for industrial environments where direct velocity measurement is preferred for evaluating rotating machinery condition. Unlike acceleration-focused devices, this sensor delivers velocity information that aligns closely with mechanical wear trends, making it suitable for maintenance-driven monitoring strategies. Its construction emphasizes signal stability and physical robustness, supporting long service life in continuously operating equipment.
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Our address
32D Guomao Building, Siming District, Xiamen, Fujian, China
Phone Number(Whatsapp)
+86-18020714492
sales1@askplc.com
Advantages / Value Highlights
Within a typical machinery monitoring architecture, the sensor functions as a field-level vibration velocity source, positioned at the machine casing and feeding raw velocity data upstream. The signal path generally follows:
Rotating Equipment → 330525-CN Velocity Sensor → Monitoring Interface → Diagnostic or Protection System
This placement allows maintenance and reliability teams to assess machine behavior using velocity-based indicators without intermediate signal conversion.
Key Features / Functional Capabilities
■ Piezoelectric velocity sensing optimized for rotating machinery
■ Mechanically rigid mounting interface to ensure repeatable measurements
■ Velocity-proportional output suitable for trend analysis
■ Housing engineered for industrial exposure and long-term deployment
■ Stable signal behavior under continuous operation
■ Designed for use with Bently Nevada monitoring platforms
Application Areas / Typical Use Cases
- Velocity-based condition monitoring of motors and auxiliary drives
- Pumps and compressors where vibration severity is evaluated over time
- Industrial assets requiring consistent trend data rather than transient analysis
- Plants implementing predictive maintenance based on velocity thresholds
- Equipment operating under steady-state load conditions
Product Identification
| Parameter | Specification |
|---|---|
| Sensitivity | 3.94 mV/mm/s ±5% |
| Frequency Response | 4.5–2,000 Hz ±3 dB |
| Velocity Range | 1270 mm/s peak |
| Amplitude Linearity | ±2% to 152 mm/s |
| Transverse Sensitivity | <5% |
| Mounted Resonant Frequency | >12 kHz |
| Noise Floor | 0.004 mm/s rms |
| Power | -22 to -30 VDC, 2.5–6 mA |
| Output Bias | -12 ±3 VDC |
| Output Impedance | <2400 Ω |
| Max Cable Length | 305 m (BN 02173007) |
| Operating Temp | -55 to +121 °C |
| Shock | 5000 g peak |
| Humidity | Up to 100%, hermetically sealed |
| Magnetic Susceptibility | <51 µm/s/gauss |
| Weight | 156 g |
| Dimensions | Ø28 × 73.1 mm |
| Case | 316L stainless steel |
| Connector | 2-pin Mil-C-26482 |
| Mounting Torque | 45 N·m max |
| Polarity | Pin A positive toward connector |
| Cable Bend Radius | ≥1.5 in |
Installation / Handling
The sensor should be installed on a rigid machine surface that accurately reflects casing vibration. Proper stud torque is essential to maintain mechanical coupling and prevent signal deviation. Cable routing should avoid sharp bends, excessive heat, or moving components. Once installed, the sensor operates without field adjustment, supporting straightforward commissioning.
Advantages / Value Highlights
■ Enables velocity-based assessment aligned with mechanical condition trends
■ Reduces diagnostic uncertainty by avoiding external signal conversion
■ Maintains consistent output across long monitoring periods
■ Supports maintenance planning through stable trend data
■ Suitable for standardization across similar equipment assets
Supply & Warranty Information
The BENTLY NEVADA 330525-CN Piezo-velocity Sensor is supplied as a new industrial product.
It is covered by a One-year warranty, applicable to defects in materials and manufacturing under normal industrial use.
MORE OPTIONS
| EMERSON | PR6423/10R-141 CON031 | HITACHI | LYA220A |
| EMERSON | PR6423/10R-131 CON031 | HITACHI | LYA210A |
| EMERSON | PR6423/10R-040 CON021 | HITACHI | LYA010A |
| EMERSON | PR6423/10R-040 | HITACHI | LUD700A |
| EMERSON | PR6423/01R-111 CON031 | HITACHI | LPU100H |
| EMERSON | PR6423/014-110 CON021 | HITACHI | LPP100A |
| EMERSON | PR6423/013-010 CON021 | HITACHI | LPD350A |
| EMERSON | PR6423/012-130 CON021 | HITACHI | LPD250B |
Common problems
Q1 What type of vibration information does the 330525-CN provide?
It provides direct vibration velocity output, which is commonly used to assess overall machinery condition and wear trends.
Q2 Is this sensor intended for short-term testing or permanent installation?
It is designed for permanent installation and continuous monitoring in industrial environments.
Q3 Does the sensor require external signal conditioning to obtain velocity data?
No, the sensor produces a velocity-proportional signal directly, eliminating the need for conversion from acceleration.
Q4 What mounting approach is recommended for accurate results?
A rigid stud-mounted installation on the machine casing is recommended to ensure reliable vibration transmission.
Q5 Can this model be used across different types of rotating equipment?
Yes, it is suitable for a wide range of rotating machinery where velocity-based vibration evaluation is required.
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