Overview
The Bently Nevada 330104-00-10-10-02-CN, also cataloged as the 330104 3300 XL 8 mm Proximity Probe, provides non-contact measurement of the gap between a probe tip and a conductive rotating target within the 3300 XL eddy-current transducer system. The probe converts target displacement into an electrical signal for machinery vibration and position monitoring.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 330104-00-10-10-02-CN |
| Base Model | 330104 |
| Brand | Bently Nevada |
| Product Type | 3300 XL 8 mm Proximity Probe |
| Dimensions | Overall case length option: 100 mm; complete dimensional data not specified |
| Operating Temp | -35 deg C to +120 deg C at the probe tip |
| Storage Temp | Not specified in the supplied data |
| Power Consumption | Not applicable to the passive probe itself; the matching Proximitor Sensor provides the required electrical interface |
| Measurement Principle | Eddy-current, non-contact displacement measurement |
| Linear Measurement Range | 2.0 mm (80 mils) |
| Typical Gap Range | 0.25 mm to 2.3 mm (10 to 90 mils) |
| Incremental Scale Factor | Nominal 7.87 V/mm (200 mV/mil) |
| Unthreaded Length | 0 mm |
| Overall Case Length | 100 mm |
| Total Cable Length | 1.0 m (3.3 ft) |
| Connector | Miniature coaxial ClickLoc connector |
| Cable Type | Standard cable |
| Approvals | CN country-specific agency approvals |
| Construction | TipLoc molding and CableLoc design |
| Target | Conductive machinery shaft or other conductive target |
Eddy-Current Measurement Characteristics
The probe operates as the sensing element of an eddy-current proximity measurement chain. As the conductive target moves relative to the probe tip, the probe system detects the corresponding change in electrical gap condition.
The nominal incremental scale factor is 7.87 V/mm (200 mV/mil). Therefore, the probe and its matching Proximitor Sensor require the specified mechanical gap and electrical operating conditions to maintain the intended displacement response.
For machinery monitoring, installation geometry directly affects the measured signal. Probe orientation, target surface condition, mounting rigidity, and cable routing should remain consistent with the applicable 3300 XL installation requirements.
Frequently Asked Questions
Q: What is the cable length of the 330104-00-10-10-02-CN?
A: The specified total cable length is 1.0 m (3.3 ft).
Q: What connector does this probe use?
A: The 02 configuration specifies a miniature coaxial ClickLoc connector with standard cable.
Q: What gap range does the probe system use for measurement?
A: The supplied data specifies a typical target distance of 0.25 mm to 2.3 mm (10 to 90 mils), with a 2.0 mm (80 mil) linear measurement range.
Field Installation Guidelines
- Install the probe with a rigid mechanical mounting arrangement to limit unwanted probe movement.
- Set the probe-to-target gap according to the applicable 3300 XL system installation requirements.
- Keep the probe tip aligned with the intended conductive target surface.
- Avoid routing the probe cable alongside high-current power conductors where electrical interference could affect the measurement circuit.
- Maintain appropriate cable separation and protect the cable from mechanical abrasion, excessive bending, and localized heat.
- Connect the miniature coaxial ClickLoc connector securely and inspect the connection before commissioning.
- Verify the probe signal and gap voltage through the matching Proximitor Sensor before placing the machinery monitoring channel into service.
- For machinery protection applications, confirm the probe location and polarity against the applicable channel configuration and system documentation.
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