The PROXPAC XL Proximity Transducer Assembly integrates a 3300 XL 8 mm proximity probe and its associated Proximitor sensor directly into a self-contained, field-mountable thermoplastic housing. This streamlined architecture eliminates the need for an external extension cable between the probe and sensor, while allowing direct connection of field wiring between the monitoring system and the assembly.
Constructed from glass- and conductive-fiber-reinforced Polyphenylene Sulfide (PPS), the housing delivers robust mechanical strength and effective electrostatic charge dissipation. Engineered for severe industrial environments, it features an IP66 and Type 4X rating to resist moisture and harsh elements. This configuration 330881-28-04-105-00-02 specifically utilizes a metric configuration with specialized standoff, penetration, and fitting options tailored for rotating machinery vibration and position monitoring.
| Model Code | Description |
|---|---|
| 330881 | PROXPAC XL Proximity Transducer, Metric |
| -28 | Probe and Approvals: 3300 XL 8 mm probe with Multiple Approvals |
| -04 | Standoff Adapter Option (B Dimension): 40 mm |
| -105 | Probe Penetration Option (C Dimension): 105 mm |
| -00 | Fittings Option: No fittings; two plugs and two washers |
| -02 | Mounting Thread Option: 3/4-14 NPT (required if ordering Standoff Adapter Option) |
| Category | Parameter | Specification |
|---|---|---|
| Electrical | Proximitor Sensor Input | 3300 XL 8 mm Proximity Probe with a 1-metre cable length installed in the probe sleeve |
| Power Requirements | -17.5 Vdc to -26 Vdc without barriers at 12 mA maximum; -23 Vdc to -26 Vdc with barriers | |
| Output Resistance | 50 Ohm | |
| Nominal Probe DC Resistance | Center conductor to outer conductor: 7.59 plus or minus 0.50 Ohm (for 1.0 m length) | |
| Supply Sensitivity | Less than 2 mV change in output voltage per volt change in input voltage | |
| Field Wiring Limits | 0.2 to 1.5 mm2 (16 to 24 AWG); Maximum length of 305 metres (1,000 feet) | |
| Performance | Linear Range | 2 mm (80 mils); begins at approximately 0.25 mm (10 mils) from target |
| Recommended Gap Setting | 1.27 mm (50 mils) | |
| Incremental Scale Factor (ISF) | 7.87 V/mm (200 mV/mil) +/- 5% over 80 mil linear range (0 to +45 Celsius) | |
| Frequency Response | 0 to 10 kHz: +0, -3 dB, with up to 305 metres of field wiring | |
| Target Size Requirements | Minimum: 15.2 mm (0.6 in) diameter flat target | |
| Shaft Diameter Limits | Minimum: 50.8 mm (2.0 in); Recommended minimum: 76.2 mm (3.0 in) | |
| Mechanical | Probe Case Material | AISI 304 stainless steel |
| Probe Tip Material | Polyphenylene Sulfide (PPS) | |
| Housing Material | UV-resistant, glass-reinforced PPS thermoplastic with conductive fibers | |
| Retaining Nut Torque | 29.5 N-m (260 in-lb) | |
| Probe Sleeve Locknut Torque | 39.3 N-m (350 in-lb) | |
| Total System Weight | 1.44 kg (3.2 lbm) typical with 0.3 metre sleeve length | |
| Manufacturer | Bently Nevada (A Baker Hughes Company) | |
| Country of Origin | USA | |
| Environmental | Probe Operating Temperature | -52 Celsius to +177 Celsius |
| Housing & Sensor Operating Temp | -52 Celsius to +100 Celsius | |
| Storage Temperature | -52 Celsius to +105 Celsius | |
| Relative Humidity | 100% condensing, non-submersible when connectors are protected | |
| Housing Mechanical Protection | IP66 / Type 4X |
What is the benefit of the integrated housing design over standalone proximity sensors?
The integrated layout contains both the probe sleeve assembly and the 3300 XL Proximitor sensor in one unit, bypassing the need for an intermediate extension cable or a separate remote junction box. Field wiring links directly from the monitor to the internal housing terminals.
Can this proximity transducer housing withstand outdoor or washdown installations?
Yes, the outer housing is molded from glass-reinforced polyphenylene sulfide and rated to IP66 and Type 4X, providing certified defense against hose-directed water and high-humidity environments when properly sealed.
What precautions apply if the standoff and penetration length options are long?
When the sum of the B and C dimensions is greater than 305 mm, it is mandatory to use external sleeve supports near the probe body to stiffen the mechanism and safeguard the components against resonance distortion.
Global Express Shipping
Returns & Warranty
Manufacturer: Bently Nevada
Product No.: 330881-28-04-105-00-02
Country of origin:United States
Product Type: PROXPAC XL Proximity Transducer
Payment: T/T, Western Union
Weight: 320g
Shipping port: Xiamen
Warranty: 12 months
The PROXPAC XL Proximity Transducer Assembly integrates a 3300 XL 8 mm proximity probe and its associated Proximitor sensor directly into a self-contained, field-mountable thermoplastic housing. This streamlined architecture eliminates the need for an external extension cable between the probe and sensor, while allowing direct connection of field wiring between the monitoring system and the assembly.
Constructed from glass- and conductive-fiber-reinforced Polyphenylene Sulfide (PPS), the housing delivers robust mechanical strength and effective electrostatic charge dissipation. Engineered for severe industrial environments, it features an IP66 and Type 4X rating to resist moisture and harsh elements. This configuration 330881-28-04-105-00-02 specifically utilizes a metric configuration with specialized standoff, penetration, and fitting options tailored for rotating machinery vibration and position monitoring.
| Model Code | Description |
|---|---|
| 330881 | PROXPAC XL Proximity Transducer, Metric |
| -28 | Probe and Approvals: 3300 XL 8 mm probe with Multiple Approvals |
| -04 | Standoff Adapter Option (B Dimension): 40 mm |
| -105 | Probe Penetration Option (C Dimension): 105 mm |
| -00 | Fittings Option: No fittings; two plugs and two washers |
| -02 | Mounting Thread Option: 3/4-14 NPT (required if ordering Standoff Adapter Option) |
| Category | Parameter | Specification |
|---|---|---|
| Electrical | Proximitor Sensor Input | 3300 XL 8 mm Proximity Probe with a 1-metre cable length installed in the probe sleeve |
| Power Requirements | -17.5 Vdc to -26 Vdc without barriers at 12 mA maximum; -23 Vdc to -26 Vdc with barriers | |
| Output Resistance | 50 Ohm | |
| Nominal Probe DC Resistance | Center conductor to outer conductor: 7.59 plus or minus 0.50 Ohm (for 1.0 m length) | |
| Supply Sensitivity | Less than 2 mV change in output voltage per volt change in input voltage | |
| Field Wiring Limits | 0.2 to 1.5 mm2 (16 to 24 AWG); Maximum length of 305 metres (1,000 feet) | |
| Performance | Linear Range | 2 mm (80 mils); begins at approximately 0.25 mm (10 mils) from target |
| Recommended Gap Setting | 1.27 mm (50 mils) | |
| Incremental Scale Factor (ISF) | 7.87 V/mm (200 mV/mil) +/- 5% over 80 mil linear range (0 to +45 Celsius) | |
| Frequency Response | 0 to 10 kHz: +0, -3 dB, with up to 305 metres of field wiring | |
| Target Size Requirements | Minimum: 15.2 mm (0.6 in) diameter flat target | |
| Shaft Diameter Limits | Minimum: 50.8 mm (2.0 in); Recommended minimum: 76.2 mm (3.0 in) | |
| Mechanical | Probe Case Material | AISI 304 stainless steel |
| Probe Tip Material | Polyphenylene Sulfide (PPS) | |
| Housing Material | UV-resistant, glass-reinforced PPS thermoplastic with conductive fibers | |
| Retaining Nut Torque | 29.5 N-m (260 in-lb) | |
| Probe Sleeve Locknut Torque | 39.3 N-m (350 in-lb) | |
| Total System Weight | 1.44 kg (3.2 lbm) typical with 0.3 metre sleeve length | |
| Manufacturer | Bently Nevada (A Baker Hughes Company) | |
| Country of Origin | USA | |
| Environmental | Probe Operating Temperature | -52 Celsius to +177 Celsius |
| Housing & Sensor Operating Temp | -52 Celsius to +100 Celsius | |
| Storage Temperature | -52 Celsius to +105 Celsius | |
| Relative Humidity | 100% condensing, non-submersible when connectors are protected | |
| Housing Mechanical Protection | IP66 / Type 4X |
What is the benefit of the integrated housing design over standalone proximity sensors?
The integrated layout contains both the probe sleeve assembly and the 3300 XL Proximitor sensor in one unit, bypassing the need for an intermediate extension cable or a separate remote junction box. Field wiring links directly from the monitor to the internal housing terminals.
Can this proximity transducer housing withstand outdoor or washdown installations?
Yes, the outer housing is molded from glass-reinforced polyphenylene sulfide and rated to IP66 and Type 4X, providing certified defense against hose-directed water and high-humidity environments when properly sealed.
What precautions apply if the standoff and penetration length options are long?
When the sum of the B and C dimensions is greater than 305 mm, it is mandatory to use external sleeve supports near the probe body to stiffen the mechanism and safeguard the components against resonance distortion.
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 |
Black
|
| Country of origin |
United States
|
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