Manufacturer: Bently Nevada
Product No.: 330878-90-00
Country of origin:United States
Product Type: 3300 XL 50 mm Proximitor Sensor
Barcode: 8537101190
Payment: T/T, Western Union
Weight: 550g
Dimensions: 90 mm x 140 mm x 140 mm (H x W x D)
Shipping port: Xiamen
Warranty: 12 months
330878-90-00: 3300 XL 50 mm Proximitor Sensor configured for 9.0 meters (29.5 feet) system length, panel mounting, and no agency approvals.
The 3300 XL 50 mm proximity transducer system consists of a separate 50 mm probe, extension cable, and Proximitor sensor. It offers a maximum linear range of 27.9 mm (1100 mils) to measure differential expansion (DE) or rotor expansion (RX) on large steam turbine generators. Unlike variants with option codes -50 or -51 (5.0 m system length) or those configured for DIN-rail mounting (options -51 and -91), this panel-mounted 9.0-meter option (90) matches with a 1.0 m probe and an 8.0 m extension cable, or a 9.0 m total calibration length. The -00 agency option specifies a configuration where hazardous area certifications are not required.
| Option | Code on This SKU | Description |
|---|---|---|
| Orderable Part Number | 330878-90-00 | 3300 XL 50 mm Proximitor Sensor |
| Option A - Total Length and Mounting | 90 | 9.0 meters (29.5 feet) system length, panel mount |
| Option B - Agency Approval Option | 00 | No Approvals |
| Parameter | Specification |
|---|---|
| Manufacturer | Bently Nevada |
| Part Number/Model | 330878-90-00 |
| Transducer System Compatibility | 3300 XL 50 mm Proximity Transducer System |
| Proximitor Input | Accepts one non-contacting 3300 XL 50 mm Proximity Probe and Extension Cable |
| Linear Range | 27.9 mm (1100 mils) starting at approximately 1.3 mm (50 mils) from target |
| Average Scale Factor (ASF) | 394 mV/mm (10 mV/mil) nominal |
| Deviation from Best Fit Straight Line (DSL) | Less than plus-minus 0.74 mm (plus-minus 29 mils) |
| System Performance over Temperature | DSL remains within plus-minus 2.03 mm (plus-minus 80 mils) over extended temperatures |
| Recommended Minimum Target Size | 102 mm (4.0 in) diameter flat target (AISI 4140 steel) |
| Power Supply Requirement | Requires -17.5 Vdc to -26 Vdc without barriers at 12 mA maximum consumption (-23 Vdc to -26 Vdc with barriers) |
| Output Resistance | 50 ohms |
| Operating Temperature Range | -51 degC to +100 degC (-60 degF to +212 degF) |
| Storage Temperature Range | -51 degC to +105 degC (-60 degF to +221 degF) |
| Relative Humidity Limits | Less than 3% change in Average Scale Factor (ASF) when tested in accordance with IEC standard 68-2-66 |
| Terminal Name | Function |
|---|---|
| VT | Power Supply Input (-17.5 Vdc to -26 Vdc) |
| OUT | Signal Voltage Output (approximately -1.5 Vdc to -12.5 Vdc) |
| COM | Signal Common / Ground Reference |
The Proximitor Sensor utilizes SpringLoc terminal strips requiring no special tools for field wiring, supporting conductors from 0.2 to 1.5 mm2 (16 to 24 AWG). A three-conductor shielded triad cable is recommended for signal routing. When installing, ensure that the total system length (9.0 meters) corresponds precisely to the probe and extension cable combined lengths. The panel mount bracket is secured to the panel using the mounting holes provided in the base plate.
| Product Image | Model Number / Title | Condition | Availability | Action |
|---|---|---|---|---|
|
Bently Nevada 330901-00-78-10-02-00 3300 XL NSv Proximity Probe | Original New | In Stock | View Details |
|
Bently Nevada 330104-00-04-10-11-01 3300 XL 8 mm Proximity Probe | Original New | In Stock | View Details |
|
Bently Nevada 330104-00-04-10-02-01 3300 XL 8 mm Proximity Probe | Original New | In Stock | View Details |
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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 |
Blue
Silver
|
| Country of origin |
United States
|
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