Excellent PLC
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| [email protected] | ||||||||
| Mobile | +8613666033393 | |||||||
| +8613666033393 | ||||||||
| 13666033393 | ||||||||
| Add | Room 1004, No. 62 Xiangxiu Li, Siming District, Xiamen City, Fujian Province, China | |||||||
Bently Nevada 21500-04-32-05-02 Velomitor Piezo-Velocity Sensor
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Maintenance Specialist Overview
The Bently Nevada 21500-04-32-05-02 Velomitor Piezo-Velocity Sensor is an industrial-grade velocity transducer designed for accurate measurement of casing vibration in rotating equipment. Built on Bently Nevada’s piezoelectric sensing technology, it produces a voltage output directly proportional to vibration velocity, providing a stable and reliable signal for condition monitoring systems.
From a maintenance standpoint, the 21500-04-32-05-02 stands out for its rugged construction, resistance to contamination, and long-term calibration stability. It offers dependable performance in environments exposed to oil mist, mechanical shock, or high temperatures — all typical of turbine and compressor installations.
Technical Specifications
| Parameter | Description |
|---|---|
| Model Number | 21500-04-32-05-02 |
| Module Type | Velomitor Piezo-Velocity Sensor |
| Measurement Type | Vibration velocity (mm/s or in/s) |
| Sensitivity | 100 mV/in/s ±5% (nominal) |
| Frequency Range | 4.5 Hz to 5 kHz |
| Mounting Type | Stud mounting (1/4-28 UNF) |
| Output Signal | Single-ended voltage |
| Power Supply | +23 to +36 V DC |
| Temperature Range | –54 °C to +121 °C |
| Shock Limit | 5000 g peak |
| Connector Type | 2-pin MIL-C-5015 or compatible |
| Housing Material | Stainless steel |
| Typical Dimensions | 90 mm × 35 mm × 120 mm |
| Weight | 0.32 kg |
| Sealing | Hermetically sealed, IP65 equivalent |
Applications / Field Deployment Examples
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Casing Vibration Measurement on compressors, pumps, turbines, and fans.
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Integration with Bently Nevada 3500/42M and 1900/65A monitoring modules.
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Used in predictive maintenance programs for rotating machinery.
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Ideal for retrofit projects replacing older velocity transducers.
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Suited for hazardous or outdoor environments due to sealed housing design.
Advantages / Key Features
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Hermetically Sealed Housing: Protects against oil, dust, and humidity.
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Excellent Frequency Response: Accurate velocity readings across wide dynamic range.
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Maintenance-Free Operation: No moving parts; calibration remains stable over years.
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High Shock Resistance: Can withstand installation on heavy industrial machinery.
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Flexible Integration: Compatible with Bently Nevada and third-party monitoring systems.
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Temperature Resilience: Operates reliably across extreme thermal conditions.
Technical FAQs
-
What type of measurement does the Velomitor provide?
– Vibration velocity (mm/s or in/s RMS). -
What is the standard sensitivity?
– 100 mV/in/s ±5%. -
Can it be directly connected to a 3500 rack?
– Yes, through 3500/42M vibration input modules. -
What is the usable frequency range?
– 4.5 Hz to 5 kHz. -
How is it powered?
– +23 to +36 V DC. -
Is the sensor sealed?
– Yes, hermetically sealed for harsh environments. -
What is the mounting method?
– Stud mount, typically 1/4-28 UNF thread. -
What materials are compatible with the housing?
– Stainless steel construction for corrosion resistance. -
What temperature range can it handle?
– –54 °C to +121 °C. -
Does it require recalibration?
– Normally no; periodic verification recommended every 2–3 years.
Recommended Related Models
| Model Number | Description |
|---|---|
| 330500-02 | Velocity Transducer Cable Assembly |
| 330400 | Accelerometer for casing vibration |
| 3500/42M | Vibration Monitor Module |
| 1900/65A | Compact Monitor for velocity and acceleration signals |
Popular Bently Nevada Models
| Model Number | Description |
|---|---|
| 330180-50-00 | 8 mm Proximitor Module |
| 330103-00-04-10-02-05 | 5 mm Proximity Probe |
| 3500/15 | Power Supply Module |
| 3500/22M | Transient Data Interface Module |
| 2100-28-05-00-40-03-02 | Compact Proximitor Module |
| Company Information | ||||||||
| [email protected] | ||||||||
| Mobile | +8613666033393 | |||||||
| +8613666033393 | ||||||||
| 13666033393 | ||||||||
| Add | Room 1004, No. 62 Xiangxiu Li, Siming District, Xiamen City, Fujian Province, China | |||||||
Excellent PLC Co., Ltd. has a large number of brand new and original PLC and DCS spare parts, with more than 60 cooperative countries. All products are guaranteed for 1 year and delivered to you by high-quality express. We are committed to using the best products and the most favorable prices to meet the needs and friendship of our customers. We have won the trust of thousands of customers, including these excellent customers.
As for the delivery time, when we receive your order requirements, we will arrange for warehouse personnel to test and verify the products. After you place the order, we will send it to you within 24 hours.
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