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330851-04-000-020-10-01-00 3300 XL 25 mm Side-Exit Proximity Probe
330851-04-000-020-10-01-00 3300 XL 25 mm Side-Exit Proximity Probe
330851-04-000-020-10-01-00 3300 XL 25 mm Side-Exit Proximity Probe

Bently Nevada 330851-04-000-020-10-01-00 3300 XL 25 mm Side-Exit Proximity Probe

A smooth 1.06 in side-exit 3300 XL 25 mm probe with a 2.0 in case, 1.0 m armored FluidLoc lead and the 00 No Approvals option.
  • Item NO.:

    330851-04-000-020-10-01-00
  • Order(MOQ):

    1
  • Goods Stock:

    10
  • Payment:

    T/T
  • Lead Time:

    In stock
  • Weight:

    0.22KG
  • Dimension:

    8.8x3.5x7cm
  • Description:

    PROBE
  • Price:

    Ask
BENTLY NEVADA · CONDITION MONITORING
3300 XL 25 mm
330851-04-000-020-10-01-00

3300 XL 25 mm Side-Exit Proximity Probe

A smooth 1.06 in side-exit 3300 XL 25 mm probe with a 2.0 in case, 1.0 m armored FluidLoc lead and the 00 No Approvals option.

MANAGERJimPei
WHATSAPP / PHONE+8618020776782EMAILsales1@apterpower.com
01

Product Description

330851-04-000-020-10-01-00 is a smooth 1.06 in diameter side-exit probe for the 3300 XL 25 mm proximity transducer system. Its order code specifies a 2.0 in overall case length, the smooth-case 000 unthreaded option and a 1.0 m total probe length.

The 01 option on 330851-04-000-020-10-01-00 adds flexible AISI 302 stainless-steel armor with a PFA outer jacket around the standard 75 Ω PFA-insulated FluidLoc lead. The side-exit construction and 25.4 mm minimum bend radius should be considered together when planning the clamp position, cable departure and service clearance.

As the sensing component in a correctly configured 3300 XL 25 mm chain, 330851-04-000-020-10-01-00 supports differential-expansion measurement on mid-size to large steam turbine generators. Probe and extension-cable lengths must equal the connected Proximitor Sensor system length, while the final 00 identifies the No Approvals option.

Configuration Snapshot

Base number
330851 · 3300 XL 25 mm proximity probe
Probe case type
04 · smooth 1.06 in diameter, side exit
Unthreaded length
000 · 0.0 in for the smooth case
Overall case length
020 · 2.0 in
Total probe length
10 · 1.0 m
Armor option
01 · with SST armor
Agency approval
00 · No Approvals
ApterPLC Bently Nevada signal-chain sourcing support
02

Engineering Considerations

Installation & Integration

  • The smooth 1.06 in side-exit case requires the clamp position, 2.0 in body envelope and cable departure clearance to be considered together.
  • Maintain at least the published 25.4 mm bend radius and support the armored lead so routing loads are not transferred into the ClickLoc connection.
  • Connector protectors are supplied for the high-temperature ClickLoc joint; the published humidity condition is 100% condensing but non-submersible with protected connectors.

Monitoring & Control

  • This probe is one component of a 3300 XL 25 mm probe–extension cable–Proximitor Sensor chain; it does not provide the complete system output by itself.
  • Its 1.0 m probe length must be combined with an extension cable that produces the total length specified for the connected 5 m or 9 m Proximitor Sensor.
  • Differential-expansion mounting depends on the available target, expected rotor axial movement and whether the probe observes a collar or ramp.

Technical Specifications

Manufacturer Bently Nevada
System family 3300 XL 25 mm Proximity Transducer System
Component Side-exit proximity probe
Case style Smooth 1.06 in diameter, side exit
Unthreaded length 0.0 in
Overall case length 2.0 in (50.8 mm)
Total probe length 1.0 m (3.3 ft)
Probe cable 75 Ω triaxial PFA-insulated FluidLoc cable
Armor Flexible AISI 302 SST with PFA outer jacket
Probe tip material Polyetheretherketone (PEEK)
Probe case material AISI 304 stainless steel
Probe DC resistance 6.2 ± 0.5 Ω
Minimum bend radius 25.4 mm
Maximum pull strength 330 N case-to-lead; 270 N at probe-to-extension connector
Probe operating and storage temperature −35 to +200 °C
Probe short-term temperature +250 °C maximum for less than 24 hours
Connector environmental condition 100% condensing, non-submersible when connectors are protected
System length rule Probe total length plus extension-cable length must equal Proximitor Sensor total length
System linear range 12.7 mm (500 mils) under documented system conditions
System average scale factor 0.787 V/mm (20 mV/mil) nominal
Approval option 00 · No Approvals
Place of shipment Xiamen, China
Delivery Time 1-3 days
Quantity 100% New Original
Minimum Order Quantity 1pc
03

Alternative Names

330851-04-000-020-103330851-04-000-020-10-01-0033085104000020100100330851 04 000 020 10 01 00330851/04/000/020/10/01/00
04

Frequently Asked Questions

01What mounting details should be compared before 330851-04-000-020-10-01-00 is fitted to an existing bracket?

The bracket needs to suit the smooth 1.06 in side-exit case, 2.0 in body length and required sensing position. Reviewing clamp support, target gap, cable departure and withdrawal clearance together helps avoid a mechanically unsuitable installation.

02Which extension cable completes 330851-04-000-020-10-01-00 to the correct system length?

Its 1.0 m total probe length normally combines with a 4.0 m extension cable for a 5.0 m Proximitor Sensor or an 8.0 m extension cable for a 9.0 m Proximitor Sensor. All three components need to remain within the 3300 XL 25 mm family.

03Can 330851-04-000-020-10-01-00 operate continuously at 200 °C?

The probe has a published continuous operating and storage range of −35 to +200 °C and a short-term limit of +250 °C for less than 24 hours. The extension cable, connector area and Proximitor Sensor must each remain within their own limits.

04Does the stainless-steel armor on 330851-04-000-020-10-01-00 provide hazardous-area approval?

The armor supplies mechanical protection, but it does not provide hazardous-area approval. The final 00 is the manufacturer’s No Approvals option, so classified projects require an appropriately approved configuration and matching delivered markings.

05How should 330851-04-000-020-10-01-00 be assessed during differential-expansion commissioning?

The complete transducer system can be assessed by moving the supported mounting arrangement to simulate shaft-collar motion. Alignment, target geometry, expected axial travel and the documented operating range should agree before the measurement is returned to service.

06Can 330851-04-000-020-10-01-00 be treated as the only pressure-containment barrier?

We would not recommend treating the probe as the sole containment boundary. It is designed to seal differential pressure between its tip and case, but probes are not pressure-tested before shipment; the installation must safely contain and control fluid if leakage occurs.

01

Apter's 1 Year Warranty

COVERAGE PERIOD1 Year
CONDITION100% New Original
CONTACTsales1@apterpower.com

The supplied product is covered for 12 months under ApterPLC's sales terms. Keep the product nameplate, original packaging and transaction record available if warranty support is required.

01

Datasheet & Technical Documents

330851-04-000-020-10-01-00 technical referenceOfficial pages selected for this model family and its ordering-code context.
View PDF

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