Configured for mechanical protection and transducer support in machine monitoring systems, the Bently Nevada 21000-16-10-00-124-03-02 (21000 Proximity Probe Housing Assembly) provides direct physical execution for housing 3300 XL 8 mm probes within industrial monitoring networks.
| Suffix | Description |
|---|---|
| 21000 | Base Model: Proximity Probe Housing Assembly |
| 16 | Probe Option: 3300 XL 8 mm probe |
| 10 | Probe Cable Length: 1.0 m (39 in) |
| 00 | Standoff Adapter: No standoff adapter |
| 124 | Probe Penetration: 12.4 in |
| 03 | Fittings: 3/4-14 NPT plug, 3/4-14 to 1/2-14 NPT reducer, cable seal grip |
| 02 | Mounting Thread: 3/4-14 NPT |
| Parameter | Specification |
|---|---|
| Model | 21000-16-10-00-124-03-02 |
| Brand | Bently Nevada |
| Origin | USA |
| Weight | 2 kg (shipping weight) |
| Operating Temp | -40 deg C to +177 deg C |
| Power Consumption | N/A (Passive mechanical component) |
| Material | Aluminum body, 304 stainless steel sleeve |
| Mounting Thread | 3/4-14 NPT |
The 21000 assembly ensures the mechanical rigidity necessary for high-accuracy rotor dynamics monitoring. Maintaining the probe tip at the specified distance from the shaft is required to stay within the linear operating range of the eddy-current sensor. During the mechanical commissioning phase, gap voltage validation must be performed to confirm that the transducer output targets -10 VDC at the monitor input. Ensuring this target prevents signal clipping or non-linear behavior that occurs when the probe is too close to or too far from the target surface. Proper mounting prevents measurement artifacts caused by housing resonance or mechanical loosening under high-vibration conditions.
Q: How should the cable seal grip be configured for different probe cable diameters?
A: The cable seal grip includes multiple interchangeable grommets. Select the specific grommet corresponding to your probe cable diameter (1/8 to 3/16 in, 1/4 to 5/16 in, or 5/16 to 3/8 in) to ensure an environmental seal and proper strain relief.
Q: Is the absence of a standoff adapter (suffix 00) suitable for all machine cases?
A: The omission of the standoff adapter requires the probe sleeve to be mounted directly to the machine case port. Ensure that the machine case design allows for sufficient internal clearance for the probe sleeve and cable termination without mechanical interference.
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