Description
Bently Nevada Dual Probe Housings: Model Comparison & Technical Details
Technical Specifications Comparison
| Parameter | 21022-28-05-017-03 | 21022-29-10-017-03 | 21022-30-10-017-03 |
|---|---|---|---|
| Probe Size | 3300 XL 8mm | 3300 XL 5mm | 3300 XL 11mm |
| Cable Length | 0.5 meter | 1.0 meter | 1.0 meter |
| Measurement Range | 80 mils (2mm) | 60 mils (1.5mm) | 100 mils (2.5mm) |
| Output Signal | 200 mV/mil | 200 mV/mil | 200 mV/mil |
| Penetration Depth | 1.7 inches (all models) | ||
| Best For | Medium-size machines | Compact equipment | Heavy-duty turbines |
Key Differences
- 28-series (8mm probe) – Universal solution for most API 670 equipment
- 29-series (5mm probe) – Space-saving design for tight installations
- 30-series (11mm probe) – Heavy-duty monitoring for large turbines
- Only 28-series supports 0.5m cable length option
Frequently Asked Questions
Q: Can probes from different models be mixed?
No. Each housing is designed for specific probe diameters.
Q: Is calibration required during installation?
Only probe gap adjustment needed – no special calibration tools required.
Q: What’s the weather protection rating?
All models feature IP66 protection against dust and water spray.
Q: Do these replace older 3300/20 systems?
Yes – fully compatible with modern monitoring systems.
Q: What tools are needed for installation?
Standard wrenches only – no special tools required.
Related Models
- 21022-29-10-017-03 Details (5mm compact probe)
- 21022-30-10-017-03 Details (11mm heavy-duty probe)
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