330500-06-04 Bently Nevada Velomitor Velocity Sensor
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Bently Nevada 330500-06-04 Velomitor Sensor - Hazardous Area Velocity Monitoring
ATEX/CSA-certified piezo-velocity sensor with 5/8-18 UNF mounting for explosive environments. Features hermetically-sealed 316L stainless steel construction and wide frequency response for critical machinery protection.
CONFIGURATION DETAILS
| Suffix | Option | Specification |
|---|---|---|
| 06 | Mounting Thread | 5/8-18 UNF |
| 04 | Agency Approval | CSA + ATEX (Multiple) |
TECHNICAL PERFORMANCE
| Parameter | Value |
|---|---|
| Hazardous Rating | Ex ia IIC T4 / AEx ia IIC T4 |
| Frequency Range | 4.5 Hz - 5 kHz (±3dB) |
| Velocity Range | 50 in/s (1270 mm/s) peak |
| Noise Floor | 0.004 mm/s rms (4.5Hz-5kHz) |
| Transverse Sensitivity | <5% of axial sensitivity |
| Resonant Frequency | >12 kHz |
| Shock Survivability | 5,000 g peak |
| Output Impedance | <2400 Ω |
| Magnetic Immunity | <51 mm/s/gauss |
PACKAGE INCLUDES
- 330500-06-04 Velomitor sensor
- Hermetically-sealed 2-pin connector
- Installation documentation
- Factory packaging
SHIPPING & WARRANTY
Global delivery via FedEx, UPS, DHL. 12-month manufacturer warranty. Compliance certificates not included.
COMPARISON WITH SIMILAR MODELS
| Model | Key Differences | Link |
|---|---|---|
| 330500-02-01 | M10X1 thread, ATEX only | Compare |
| 330500-01-00 | 1/4-28 UNF, no approvals | Compare |
| 330500-00-01 | 1/4-28 UNF with stud, basic approval | Compare |
FREQUENTLY ASKED QUESTIONS
Q: What's the advantage of 5/8-18 UNF threading?
A: Provides secure mounting in high-vibration applications compared to metric threads.
Q: Maximum cable length for signal integrity?
A: 305m (1000ft) with recommended shielded cable.
Q: Suitable for marine environments?
A: Yes, DNV certified for ships and offshore platforms.
Q: What torque for installation?
A: 24-40 in-lb (32-46 kg cm) maximum.