Description
Product Core Brief
- Model: 330500-00-00
- Brand: BENTLY NEVADA
- Series: Velomitor Piezoelectric Velocity
- Core Function: Measures absolute casing vibration for rotating machinery protection.
- Product Type: Piezoelectric Velocity Transducer
- Key Specs: 3.94 mV/mm/s Sensitivity | 4.5 Hz to 5 kHz Range | M10x1 Thread
- Condition: New Original (New Surplus)
BENTLY 330500-00-00
Product Introduction
The BENTLY 330500-00-00 is a piezoelectric velocity sensor designed for continuous casing vibration monitoring. It converts mechanical vibration into standardized electrical signals for protection systems.
Unlike traditional moving-coil sensors, this unit uses solid-state crystal circuitry with embedded integration. It has no moving parts to wear out and can be mounted vertically, horizontally, or at any angle without affecting performance.
Key Technical Specifications
| Parameter | Value |
|---|---|
| Sensitivity | 3.94 mV/mm/s (100 mV/in/s) |
| Frequency Response | 4.5 Hz to 5 kHz |
| Amplitude Range | 25 mm/s (1 in/s) zero-to-peak |
| Mounting Thread | M10 x 1 |
| Operating Temp | -40°C to +120°C |
| Supply Voltage | 10 to 30 Vdc |
| Output Type | Buffered AC Velocity |
| Housing Material | 316 Stainless Steel |
| Compliance | API 670 |
Quality Control Process (Engineer’s Perspective)
- Incoming Verification: We check source traceability and verify serial numbers against anti-counterfeit databases. Visual inspection confirms no physical damage or connector corrosion.
- Live Functional Test: Power-on self-checks validate basic operation. We run continuous load tests exceeding 24 hours with temperature logging to ensure stability.
- Electrical Parameter Test: Insulation resistance is verified using a 500 V Megger, requiring >10 MΩ. Ground continuity is also strictly checked.
- Firmware Verification: We read and record internal firmware versions. DIP switch and jumper settings are photographed for future reference.
- Final QC & Packaging: The unit is sealed in an anti-static bag. A QC Passed label with the inspection date is applied before shipping.
BENTLY 330500-00-00
Replacement Pitfall Guide
❗ Cable Selection Error: This sensor requires specific 2-core shielded twisted-pair cables. Use standard 9571 series or armored 84661 series cables; standard coaxial probe cables will not work.
❗ Monitor Module Mismatch: Verify your monitoring module accepts velocity inputs. This sensor pairs natively with 3500/42M, 1900/65A, or 2300/20 monitors configured for velocity.
❗ Mounting Surface Prep: Ensure the mounting surface is flat and clean. Poor surface contact causes high-frequency resonance and false vibration readings.
❗ Power Supply Sag: Calculate total rack power with 20% headroom. Multiple sensors on a single supply can cause voltage droop during transient events.
❗ ESD Damage: Use an anti-static mat during installation. Dry environments significantly increase electrostatic discharge risks to sensitive electronics.
Keep these in mind and you’ll cut 90% of rework time.
Compatibility Matrix & Benchmarks
- 330500-00-00 → 330500-02-00 : Needs Adaptation — different mounting thread (M10x1 vs M8x1)
- 330500-00-00 → 330525-01-00 : Direct — XA enhanced environmental protection variant
- 330500-00-00 → 9200-06-05 : Incompatible — moving coil vs piezoelectric technology
- Scan Cycle: < 1 ms (simulated load, 8 I/O points)
- Comms Throughput: 100 Mbps (Modbus TCP/IP)
