Four-millimeter span
The standard range extends from about 0.5 to 4.5 mm from the target, with a recommended 2.5 mm center gap.
11 mmBently Nevada
sensor system
sensor system
Bently Nevada 330701-00-25-90-02-00 3300 XL Long-range Proximity Probe
1/2-20 UNF non-armored2.5 in case9 m total lead
01
Product Description
The Bently Nevada 330701-00-25-90-02-00 is a non-armored, 1/2-20 UNF standard-mount probe for the 3300 XL 11 mm proximity transducer system. Its case is fully threaded, 2.5 in long, and connected to a 9 m integral lead for measurements that require the wider 4.0 mm linear range of the 11 mm family.
At the end of 330701-00-25-90-02-00, the standard cable terminates in a miniature ClickLoc connector without an installed protector. The nine-meter lead must connect to the nine-meter 3300 XL 11 mm Proximitor sensor; adding an extension cable would exceed the selected system length.
02
Technical Specifications
| Technical Item | 330701-00-25-90-02-00 |
|---|---|
| Brand | Bently Nevada |
| Product Type | 3300 XL 11 mm proximity probe |
| Product Origin | USA |
| Product Family | 3300 XL 11 mm Proximity Transducer System |
| Case Thread | 1/2-20 UNF-2A |
| Armor | Without armor |
| Unthreaded Length | 0.0 in |
| Overall Case Length | 2.5 in |
| Total Probe Length | 9.0 m (29.5 ft) |
| Connector | Miniature coaxial ClickLoc |
| Cable Type | Standard 75 Ω triaxial FEP-insulated cable |
| Agency Approval | 00 — not required |
| Linear Range | 4.0 mm (160 mil); approximately 0.5…4.5 mm |
| Extended DSL Range | Approximately 0.5…5.0 mm; not for zener-barrier systems |
| Incremental Scale Factor | 3.94 V/mm (100 mV/mil) |
| Frequency Response | 0…8 kHz, +0/−3 dB typical |
| Recommended Gap | 2.5 mm (100 mil) |
| Probe Tip Material | Polyphenylene sulfide (PPS) |
| Probe Case Material | AISI 304 stainless steel |
| Probe / Cable Temperature | −52…+177 °C (−62…+351 °F) |
03
Performance Characteristics — 11 mm Range
330701-00-25-90-02-00 uses the larger 11 mm probe family to provide twice the nominal linear displacement span of the standard 8 mm system.
One-hundred mV per mil
The nominal 3.94 V/mm scale factor converts the wider displacement range into the conditioned Proximitor output.
Eight-kilohertz response
The complete system retains a typical 0…8 kHz bandwidth with specified field wiring, covering gap and dynamic motion signals.
04
System Integration — 9 m Probe Chain
Because 330701-00-25-90-02-00 already carries a nine-meter lead, it connects directly to the sensor execution calibrated for a nine-meter system.
No extension segment
The integral 9 m lead fills the selected electrical length, so a separate 330730 extension cable is not inserted.
Matched electronics
The ClickLoc termination mates with the 3300 XL 11 mm Proximitor sensor, which supplies the probe and linearizes the output.
Protected unarmored route
The long FEP-insulated lead needs conduit or protected routing because the exact order code does not include stainless-steel armor.
05
Frequently Asked Questions
Why does 330701-00-25-90-02-00 give the wrong response after an extension cable is added?
This probe already has an integral 9 m electrical length and is used without a separate extension cable. Remove the added cable and confirm the matching 3300 XL 11 mm Proximitor.
How can noise be reduced on the long unarmored lead of 330701-00-25-90-02-00?
Route the 9 m cable in protected conduit or enclosure space, separate it from power conductors, preserve the coaxial shield and support the run without crushing it.
What should be checked when 330701-00-25-90-02-00 saturates during setup?
Verify that the probe is gapped inside its 0.5…4.5 mm linear interval and near the intended 2.5 mm center instead of compensating at the monitor.
Why can a small shaft disturb 330701-00-25-90-02-00 readings?
The 11 mm system needs adequate target size and probe spacing. Review shaft diameter, target material and cross-talk clearance when the reading changes with adjacent probes.
What causes 330701-00-25-90-02-00 to bind in an existing bracket?
Its case uses a 1/2-20 UNF thread and a 250 mm length. Confirm both the thread and available insertion depth before tightening the probe.
How should the connector of 330701-00-25-90-02-00 be protected during installation?
Keep the connector cap or approved protection in place until connection, prevent contamination, and support the long cable so it cannot pull on the coaxial joint.
06
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