in stock#
Brand/ Manufacturer:
Bently NevadaDimensions:
6.8x2.4x2.4cmWeight:
0.12kgCountry of Origin: :
USADescription:
Bently Nevada 330500-02-CN 84661-50 Velomitor Piezo-velocity Sensor with Interconnection Cables
| Mfr. Part Number: |
330500-02-CN 84661-50 |
| Manufacturer: |
Bently Nevada |
| Description: |
|
| Full Description: |
The 330500 is a specialized piezoelectric accelerometer that incorporates embedded integrated electronics in a solid-state design. |
| Status: |
In stock |
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Moore Automation Limited is not affiliated with or a distributor for Bently Nevada. The depiction, description, or sale of products featuring names, trademarks, brands, and logos is for identification and/or reference purposes only and does not indicate any affiliation with or authorization by any rights holder.
Product Description:
The Bently Nevada 330500-02-CN is an industrial Velomitor Piezo-Velocity Sensor paired with the 84661-50, a 50-foot armored interconnect cable. This sensor system measures absolute bearing housing, casing, or structural casing vibration on heavy rotating machinery. Bently Nevada Velomitor Piezo-velocity Sensors are designed to measure absolute (relative to free space) bearing housing, casing, or structural vibration. The 330500 is a specialized piezoelectric accelerometer that incorporates embedded integrated electronics in a solid-state design.
Application:
Gas & Steam Turbines: Tracks continuous casing vibration to prevent catastrophic rotor misalignment or structural fatigue.
Generators: Monitors the main bearing housings for unbalance or structural deformation under massive electrical loads
Centrifugal & Axial Compressors: Crucial for tracking gas process machinery performance and preventing surge-induced casing damage.
Industrial Pumps: Mounted on high-pressure fluid transfer and multi-stage pumps to identify cavitation, seal failure, or impeller damage.
Frequently Asked Questions (FAQ)
Q:Can this sensor be mounted at an angle or upside down?
A:Yes. Traditional velocity meters use moving internal coils that sag if tilted. Because the 330500 uses a solid-state piezoelectric ceramic shear-mode design, it has zero moving parts. You can safely mount it vertically, horizontally, or at any intermediate angle without losing accuracy.
Q:Where is the ideal spot to mount this hardware?
A:Attach the sensor directly to the bearing housing or heavy machine casing. Ensure the surface is machined flat and free of paint. Imbalance or misalignment issues travel outward via the rotor; placing the sensor far from the bearing path dampens the signal and introduces inaccurate data.
Q:Why am I seeing erratic values or high noise floor errors?
A:This issue typically stems from integrating velocity data into displacement data over long distances. Over-amplifying low-frequency electrical noise degrades accuracy. Check that the 84661-50 cable shielding is properly grounded at the monitor end only—never at both ends—to eliminate ground loops.
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|
Detailed Parameter |
Part Number：330500-02-CN 84661-50 |
|
Mounting Thread Adaptor Option |
M8 x 1 |
|
Standard Cable Lengths |
50 ft |
|
Sensitivity |
3.94 mV/mm/s (100 mV/in/s) ±5%. |
|
Velocity Range |
1270 mm/s (50 in/s) peak. |
|
Transverse Sensitivity |
Less than 5% of sensitivity. |
|
Dynamic Output Impedance |
Less than 2400 Ω |
|
Operating Temperature Range |
-55°C to 121°C (-67°F to 250°F) |
|
Shock Survivability |
5,000 g peak, maximum |
|
Output Bias Voltage |
-12 ±3.0 VDC, over temperature referenced to Pin A. |
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