Technical Overview
The Bently Nevada 21502-04 Velomitor Piezo-Velocity Sensor is a self-generating, industrial-grade vibration sensor that produces a voltage signal proportional to vibration velocity. Designed for long-term monitoring من casing or housing vibration, it is a key component in machinery protection systems used in power generation, oil & gas, and petrochemical industries.
This model combines the ruggedness من a piezoelectric velocity transducer with the precision required for predictive maintenance. Its stainless-steel enclosure, wide operating temperature range, and factory calibration ensure dependable performance even in harsh field conditions.
Technical Specifications
| Parameter | الوصف |
|---|---|
| الطراز Number | 21502-04 |
| 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 |
| Power Supply | +23 to +36 V DC (constant current source) |
| Output Signal | Single-ended voltage |
| Mounting Type | Stud mount (1/4-28 UNF thread) |
| Housing Material | Stainless steel |
| Connector Type | 2-pin MIL-C-5015 compatible |
| Temperature Range | –54 °C to +121 °C |
| Shock Limit | 5000 g peak |
| Sealing | Hermetically sealed (IP65 equivalent) |
| Typical Dimensions | 90 mm × 35 mm × 120 mm |
| الوزن | 0.30 kg |
Applications / Use Scenarios
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Turbomachinery casing vibration monitoring (compressors, turbines, pumps).
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Integration with Bently Nevada 3500/42M or 1900/65A vibration monitoring modules.
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الحالة-based maintenance programs in refineries and power plants.
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Retrمنit applications replacing older velocity transducers.
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Monitoring machine foundation vibration in high-power rotating equipment.
Advantages / Key Engineering Features
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High Reliability: Proven piezoelectric design ensures long operational life.
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ممتاز Frequency Response: Captures both low- and high-frequency vibrations accurately.
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Hermetically Sealed Construction: Prevents ingress من oil, moisture, and dust.
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No Moving Parts: Ensures long-term calibration stability with minimal maintenance.
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Shock & Temperature Resistant: Performs consistently in demanding environments.
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Plug-and-Play Integration: Fully compatible with Bently Nevada monitoring systems.
معلومات الشركة
E-mail: [email protected]
Mobile：يرجى الاتصال عبر البريد الإلكتروني
Whatsapp：يرجى الاتصال عبر البريد الإلكتروني
Add: مبنع أليشان، 2 طريق لفلينج، منطقة سيمينغ، شيامن، فوجيان، الصين، 361006
خدماتنا
نحن متخصصون في توفير قطع الأتمتة الصناعية مع ضمان لمدة عام واحد. قطع الأتمتة الصناعية لدينا تباع في جميع أنحاء العالم.
يمكننا توفير المعدات وقطع الغيار من مختلف البلدان والشركات المصنعة، وحل مخاوفكم أو مشاكل الجودة في أماكن متعددة، مع ميزة سعرية كبيرة.
نرحب باتصالك للحصول على مزيد من التفاصيل حول المنتجات.
