The Bently Nevada 330101-00-25-10-02-00 is an 8 mm eddy current proximity probe belonging to the 3300 XL series. This transducer is designed for non-contacting displacement and vibration measurements in critical machinery protection systems (TSI). It is a standard component of the 3300 XL Proximity Transducer System, used to monitor radial shaft vibration, axial position, and speed on high-speed rotating equipment such as steam turbines, centrifugal compressors, and motors.
This specific configuration utilizes a 3/8-24 UNF thread with a 2.5-inch overall case length and is supplied without stainless steel armor. The assembly features a 1.0-metre (3.3 feet) integral cable terminated with a miniature coaxial ClickLoc™ connector. It provides a linear range of 2.0 mm (80 mils) and a standard scale factor of 7.87 V/mm (200 mV/mil) when paired with the corresponding 3300 XL Proximitor sensor and extension cable.
| Attribute | Details |
| Model | 330101-00-25-10-02-00 |
| Brand | Bently Nevada |
| Product Type | 8 mm Proximity Probe |
| Series | 3300 XL |
| Thread Size | 3/8-24 UNF |
| Unthreaded Length | 0.0 in |
| Overall Case Length | 2.5 in |
| Total Cable Length | 1.0 Metre (3.3 feet) |
| Connector Type | Miniature coaxial ClickLoc™ |
| Armor Option | Without Armor |
| Agency Approval | Not Required |
| Operating Temperature | -35°C to +177°C (-31°F to +350°F) |
| Origin | Made in U.S.A |
| Shipping Weight | 1.5 kg |
This assembly is defined by its alphanumeric suffix codes. Procurement and engineering teams must verify all parameters to ensure mechanical fit and electrical compatibility with the system loop.
| Option Code | Description |
| 330101 | 3300 XL 8 mm Probe, 3/8-24 UNF thread, without armor |
| -00 | Unthreaded Length: 0.0 in |
| -25 | Overall Case Length: 2.5 in |
| -10 | Total Length: 1.0 Metre (3.3 feet) |
| -02 | Miniature coaxial ClickLoc™ connector, standard cable |
| -00 | Agency Approval: Not required |
System Loop Integrity:
The 3300 XL 8 mm probe is a component of a tuned resonant circuit. This 1.0-metre probe must be paired with an extension cable to reach the required total system length (typically 5.0 or 9.0 metres) as calibrated for the Proximitor sensor. Using a mismatched total length will cause significant scale factor errors and non-linearity.
Mechanical Installation:
When installing the 3/8-24 UNF threads, do not exceed the maximum torque of 13.5 N·m (120 in·lb). Over-torquing can lead to case distortion or internal sensing coil damage. For radial vibration monitoring, ensure the probe tip has a minimum side clearance of 13 mm (0.5 in) from surrounding metallic surfaces to prevent signal interference.
Field Wiring and Grounding:
The ClickLoc™ connector must be kept clean and dry. In oil-mist environments, it is mandatory to use a connector protector or silicone heat-shrink tubing to prevent lubricant ingress. The coaxial cable shield should be grounded only at the monitor/Proximitor end to prevent ground loops that introduce 50/60 Hz noise into the signal.
Replacement Precautions:
When replacing legacy 3300 probes (non-XL) with 3300 XL series probes, verify the Proximitor sensor is also upgraded to the 3300 XL series. While physically compatible, the XL series has a different temperature compensation profile and scale factor stability.
Q: Can this 1.0m probe be used as a standalone sensor?
A: No. A 1.0-metre probe is designed to connect to an extension cable. The Proximitor sensor requires the total loop impedance of the specified system length (5m or 9m) to function.
Q: What indicates a faulty ClickLoc connection?
A: High-frequency "spiking" or an unstable DC gap voltage typically indicates a loose or contaminated coaxial connection. Clean the contacts with an approved electronic cleaner and ensure the connector is dry.
Q: How do I verify the DC gap voltage for a 3300 XL system?
A: For most applications, the nominal mid-range gap is 1.27 mm (50 mils), which corresponds to approximately -10.0 Vdc at the Proximitor output terminal.
Q: What is the impact of target material on calibration?
A: Standard probes are calibrated for AISI 4140 steel. If the target shaft is a different alloy, the scale factor will change, requiring a Material Correction Factor (MCF) adjustment in the monitoring software.
Global Express Shipping
Returns & Warranty
Manufacturer: Bently Nevada
Product No.: 330101-00-25-10-02-00
Country of origin:United States
Product Type: 3300 XL 8 mm Proximity Probe
Payment: T/T, Western Union
Weight: 320g
Shipping port: Xiamen
Warranty: 12 months
The Bently Nevada 330101-00-25-10-02-00 is an 8 mm eddy current proximity probe belonging to the 3300 XL series. This transducer is designed for non-contacting displacement and vibration measurements in critical machinery protection systems (TSI). It is a standard component of the 3300 XL Proximity Transducer System, used to monitor radial shaft vibration, axial position, and speed on high-speed rotating equipment such as steam turbines, centrifugal compressors, and motors.
This specific configuration utilizes a 3/8-24 UNF thread with a 2.5-inch overall case length and is supplied without stainless steel armor. The assembly features a 1.0-metre (3.3 feet) integral cable terminated with a miniature coaxial ClickLoc™ connector. It provides a linear range of 2.0 mm (80 mils) and a standard scale factor of 7.87 V/mm (200 mV/mil) when paired with the corresponding 3300 XL Proximitor sensor and extension cable.
| Attribute | Details |
| Model | 330101-00-25-10-02-00 |
| Brand | Bently Nevada |
| Product Type | 8 mm Proximity Probe |
| Series | 3300 XL |
| Thread Size | 3/8-24 UNF |
| Unthreaded Length | 0.0 in |
| Overall Case Length | 2.5 in |
| Total Cable Length | 1.0 Metre (3.3 feet) |
| Connector Type | Miniature coaxial ClickLoc™ |
| Armor Option | Without Armor |
| Agency Approval | Not Required |
| Operating Temperature | -35°C to +177°C (-31°F to +350°F) |
| Origin | Made in U.S.A |
| Shipping Weight | 1.5 kg |
This assembly is defined by its alphanumeric suffix codes. Procurement and engineering teams must verify all parameters to ensure mechanical fit and electrical compatibility with the system loop.
| Option Code | Description |
| 330101 | 3300 XL 8 mm Probe, 3/8-24 UNF thread, without armor |
| -00 | Unthreaded Length: 0.0 in |
| -25 | Overall Case Length: 2.5 in |
| -10 | Total Length: 1.0 Metre (3.3 feet) |
| -02 | Miniature coaxial ClickLoc™ connector, standard cable |
| -00 | Agency Approval: Not required |
System Loop Integrity:
The 3300 XL 8 mm probe is a component of a tuned resonant circuit. This 1.0-metre probe must be paired with an extension cable to reach the required total system length (typically 5.0 or 9.0 metres) as calibrated for the Proximitor sensor. Using a mismatched total length will cause significant scale factor errors and non-linearity.
Mechanical Installation:
When installing the 3/8-24 UNF threads, do not exceed the maximum torque of 13.5 N·m (120 in·lb). Over-torquing can lead to case distortion or internal sensing coil damage. For radial vibration monitoring, ensure the probe tip has a minimum side clearance of 13 mm (0.5 in) from surrounding metallic surfaces to prevent signal interference.
Field Wiring and Grounding:
The ClickLoc™ connector must be kept clean and dry. In oil-mist environments, it is mandatory to use a connector protector or silicone heat-shrink tubing to prevent lubricant ingress. The coaxial cable shield should be grounded only at the monitor/Proximitor end to prevent ground loops that introduce 50/60 Hz noise into the signal.
Replacement Precautions:
When replacing legacy 3300 probes (non-XL) with 3300 XL series probes, verify the Proximitor sensor is also upgraded to the 3300 XL series. While physically compatible, the XL series has a different temperature compensation profile and scale factor stability.
Q: Can this 1.0m probe be used as a standalone sensor?
A: No. A 1.0-metre probe is designed to connect to an extension cable. The Proximitor sensor requires the total loop impedance of the specified system length (5m or 9m) to function.
Q: What indicates a faulty ClickLoc connection?
A: High-frequency "spiking" or an unstable DC gap voltage typically indicates a loose or contaminated coaxial connection. Clean the contacts with an approved electronic cleaner and ensure the connector is dry.
Q: How do I verify the DC gap voltage for a 3300 XL system?
A: For most applications, the nominal mid-range gap is 1.27 mm (50 mils), which corresponds to approximately -10.0 Vdc at the Proximitor output terminal.
Q: What is the impact of target material on calibration?
A: Standard probes are calibrated for AISI 4140 steel. If the target shaft is a different alloy, the scale factor will change, requiring a Material Correction Factor (MCF) adjustment in the monitoring software.
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
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| Country of origin |
United States
|
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