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Optimized for machinery protection and condition monitoring architectures, the Bently Nevada 330101-00-27-50-02-CN provides continuous, non-contacting shaft displacement measurements in critical rotating assets. This 3300 XL 8 mm Proximity Probe is a core transducer component engineered to translate physical air-gap variations into high-frequency electrical signals when paired with a matching Proximitor Sensor. Built with premium mechanical and chemical protection materials, it resists the harsh fluidic and thermal environments typically found inside steam turbines, centrifugal compressors, gearboxes, and industrial pumps.
| Parameter | Specification Value |
|---|---|
| Manufacturer | Bently Nevada |
| Product Model | 330101-00-27-50-02-CN |
| Probe Series | 3300 XL 8 mm Proximity Probe |
| Thread Size | 3/8-24 UNF |
| Armor Option | Without armor |
| Unthreaded Length | 0.0 in (0 mm) |
| Overall Case Length | 2.7 in (69 mm) |
| Total Length Option | 5.0 meters (16.4 feet) |
| Connector Type | Miniature coaxial ClickLoc connector (standard cable) |
| Tip Material | Polyphenylene sulfide (PPS) |
| Case Material | AISI 303 or 304 stainless steel (SST) |
| Operating Temperature Range | -51 to +177 degC (-60 to +351 degF) |
| Agency Approvals | CN Option (Country-specific hazardous area certifications) |
| Net Weight | 0.323 kg (0.71 lbs) |
| Shipping Weight (Calculated) | 1.500 kg (3.31 lbs) |
| Country of Origin | United States |
| Component | Function / Specification |
|---|---|
| Coaxial Cable | 75 ohm coaxial physical line with standard outer jacket. |
| ClickLoc Connector | Male miniature coaxial interface designed to prevent backing-off under vibration conditions. |
| Connection Torque | Finger-tight; do not use pliers or mechanics' tools on miniature coaxial fittings. |
This 3300 XL 8 mm probe is fully backward-compatible with legacy 3300 8 mm proximity transducer systems. However, mixing 3300 XL components with non-XL 3300 components alters the overall scale factor of the system. For standard 200 mV/mil output, ensure the 5-meter probe is combined exclusively with a 5-meter 3300 XL Proximitor Sensor. If an extension cable is required, you must transition to a 9-meter configuration probe/sensor package to maintain calibration integrity.
When deploying the unarmored standard cable near sharp casing penetrations or active structural components, route the coaxial lines inside flexible conduits or dedicated tray runs to prevent shearing. Avoid placing the probe tip within 40 mm (1.6 inches) of adjacent probes or metallic surfaces to prevent cross-talk and side-loading errors in the RF field. Keep target surface materials consistent with standard AISI 4140 steel calibrations to prevent severe scale-factor deviation.
To perform gap calibration during static machinery setup, use a physical micrometer spindle or the Bently Nevada TK-3 calibrator. Connect a digital voltmeter across the terminal block output of the paired Proximitor. Adjust physical insertion depth until the DC bias voltage reads approximately -10.0 VDC, corresponding to the electrical center of the linear dynamic range.
CRITICAL WARNING:
De-energize all machinery and power circuits connected to the monitoring rack before mounting or adjusting probe sensors. Physical contact with spinning shafts can result in severe bodily injury or catastrophic hardware failure. Check local explosive environment ratings and verify "CN" specific agency documentation before installing in hazardous classified locations.
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Returns & Warranty

Optimized for machinery protection and condition monitoring architectures, the Bently Nevada 330101-00-27-50-02-CN provides continuous, non-contacting shaft displacement measurements in critical rotating assets. This 3300 XL 8 mm Proximity Probe is a core transducer component engineered to translate physical air-gap variations into high-frequency electrical signals when paired with a matching Proximitor Sensor. Built with premium mechanical and chemical protection materials, it resists the harsh fluidic and thermal environments typically found inside steam turbines, centrifugal compressors, gearboxes, and industrial pumps.
| Parameter | Specification Value |
|---|---|
| Manufacturer | Bently Nevada |
| Product Model | 330101-00-27-50-02-CN |
| Probe Series | 3300 XL 8 mm Proximity Probe |
| Thread Size | 3/8-24 UNF |
| Armor Option | Without armor |
| Unthreaded Length | 0.0 in (0 mm) |
| Overall Case Length | 2.7 in (69 mm) |
| Total Length Option | 5.0 meters (16.4 feet) |
| Connector Type | Miniature coaxial ClickLoc connector (standard cable) |
| Tip Material | Polyphenylene sulfide (PPS) |
| Case Material | AISI 303 or 304 stainless steel (SST) |
| Operating Temperature Range | -51 to +177 degC (-60 to +351 degF) |
| Agency Approvals | CN Option (Country-specific hazardous area certifications) |
| Net Weight | 0.323 kg (0.71 lbs) |
| Shipping Weight (Calculated) | 1.500 kg (3.31 lbs) |
| Country of Origin | United States |
| Component | Function / Specification |
|---|---|
| Coaxial Cable | 75 ohm coaxial physical line with standard outer jacket. |
| ClickLoc Connector | Male miniature coaxial interface designed to prevent backing-off under vibration conditions. |
| Connection Torque | Finger-tight; do not use pliers or mechanics' tools on miniature coaxial fittings. |
This 3300 XL 8 mm probe is fully backward-compatible with legacy 3300 8 mm proximity transducer systems. However, mixing 3300 XL components with non-XL 3300 components alters the overall scale factor of the system. For standard 200 mV/mil output, ensure the 5-meter probe is combined exclusively with a 5-meter 3300 XL Proximitor Sensor. If an extension cable is required, you must transition to a 9-meter configuration probe/sensor package to maintain calibration integrity.
When deploying the unarmored standard cable near sharp casing penetrations or active structural components, route the coaxial lines inside flexible conduits or dedicated tray runs to prevent shearing. Avoid placing the probe tip within 40 mm (1.6 inches) of adjacent probes or metallic surfaces to prevent cross-talk and side-loading errors in the RF field. Keep target surface materials consistent with standard AISI 4140 steel calibrations to prevent severe scale-factor deviation.
To perform gap calibration during static machinery setup, use a physical micrometer spindle or the Bently Nevada TK-3 calibrator. Connect a digital voltmeter across the terminal block output of the paired Proximitor. Adjust physical insertion depth until the DC bias voltage reads approximately -10.0 VDC, corresponding to the electrical center of the linear dynamic range.
CRITICAL WARNING:
De-energize all machinery and power circuits connected to the monitoring rack before mounting or adjusting probe sensors. Physical contact with spinning shafts can result in severe bodily injury or catastrophic hardware failure. Check local explosive environment ratings and verify "CN" specific agency documentation before installing in hazardous classified locations.
Global Express Shipping
Returns & Warranty
Orders are processed and delivered Monday-Friday (excluding public holidays).
For full eligibility, restocking fees, and international return details, please view our official Refund & Return Policy .
| Color pattern |
Silver
Blue
|
| Country of origin |
United States
|