21508-02-12-90-02 Bently Nevada 8mm Reverse Mount Probe
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Bently Nevada 21508-02-12-90-02 Long-Reach Vibration Probe
Product Highlights
New reverse-thread Bently Nevada sensor with extra-long 9m cable. Ideal for remote monitoring in large facilities. Factory sealed with 12-month warranty. Ships via FedEx/UPS/DHL.
Part Number Structure
- Base Model: 21508 (Reverse Mount)
- -02: Mounting Style Code
- -12: 120mm Body Length
- -90: 9m Cable (351")
- -02: Coaxial Connection
Technical Performance
- Detection Distance: 0.25-2.0mm
- Signal Output: 200 mV/mil
- Response Speed: 0-10,000 Hz
- Power Requirement: -17.5V to -26V DC
-
Heat Resistance:
- Sensor Tip: +177°C max
- Controller: +100°C max
- Body Size: 8mm diameter
- Thread Type: Reverse 3/8-24
- Weather Proof: 95% humidity
Installation Features
Reverse-thread design for special access points. Chemical-resistant for tough environments. Works with Bently Nevada 7200 monitoring systems.
What You Get
- 1 × Long-Cable Vibration Probe
- Original factory packaging
- 12-month quality promise
Compare Other Models
| Model | Mount | Cable | Body | Best Fit |
|---|---|---|---|---|
| This Model | Reverse | 9m | 120mm | Long-distance runs |
| 21504-00-40-50-02 | Standard | 5m | 40mm | Medium cable needs |
| 21504-12-52-05-02 | Standard | 0.5m | 52mm | Short connections |
| 21504-00-96-05-02 | Standard | 0.5m | 96mm | Deep installations |
Frequent Questions
Q: What's special about reverse mount?
A: Special threading for confined spaces
Q: Cable length tolerance?
A: 9m cable with +1m/-0.9m variation
Q: Minimum vibration speed detected?
A: Works from 0 Hz (stationary equipment)
Q: Chemical resistance?
A: Handles oils, acids, and water exposure