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Technical specifications for 330850-90-00

  • Manufacturer:
    Bently Nevada
  • Product Category:
    Machinery Monitoring Systems
  • Spare Part Number:
    330850-90-00
  • Estimated shipping dimensions:
    8x6.2x6.5cm
  • Weight:
    0.22 kg
  • Tariff Code:
    8537101190
  • Counliy of origin:
    USA
  • Sensor model:
    330850
  • System length:
    9.0 m (29.5 ft)
  • Mounting:
    Panel
  • Agency approval option:
    Not required
  • Sensor material:
    A380 aluminum
  • Probe and cable system length:
    9.0 m
  • Power without barriers:
    -17.5 to -26 V DC; 12 mA maximum
  • Power with barriers:
    -23 to -26 V DC
  • Supply sensitivity:
    <2 mV/V
  • Output resistance:
    50 Ohm
  • Field-wire conductor range:
    0.2 to 1.5 mm2 (16 to 24 AWG)
  • Maximum field-wire length:
    305 m (1000 ft)
  • Linear range:
    12.7 mm (500 mils)
  • Linear-range limits:
    0.63 to 13.33 mm (25 to 525 mils)
  • Average scale factor:
    0.787 V/mm (20 mV/mil)
  • Frequency response:
    0 to 2.7 kHz; +0/-3 dB
  • Minimum target diameter:
    61 mm (2.4 in)
  • Extension-cable capacitance:
    69.9 pF/m typical
  • Minimum bend radius:
    25.4 mm (1.0 in)

Information

Overview Manuals Common Applications Product Precautions
Bently Nevada 330850-90-00 is 3300 xl 25 mm panel proximitor sensor. It powers and linearizes the matched 25 mm probe system, providing a conditioned large-displacement voltage to the monitoring channel.
  • Uses a nine-metre panel configuration
  • Drives the matched 25 mm eddy-current probe
  • Linearizes the large-range displacement response
  • Supplies the conditioned signal to a compatible monitor

330850-90-00 operates with 3300 XL 25 mm probe, matched 25 mm extension cable, negative DC supply and field wiring, compatible displacement monitor.

Engineered applications include Differential-expansion monitoring, Large axial-position channel, Rotor and valve travel measurement, 25 mm electronics renewal.

Important Notice: Confirm the nine-metre system, panel hardware and not required; restore supply polarity, shield termination, scale and full-travel alarm settings.

Apter Power 330850-90-00 Manuals and Guides

Apter Power 330850-90-00 System and Technical Reference PDFBently Nevada 330850-90-00 Official Engineering Document PDF

The first document provides model-specific technical and system-reference information. The second is the directly related manufacturer document used for installation, configuration and engineering verification.

Differential-expansion monitoring

Conditions a large-range turbine expansion measurement.

Large axial-position channel

Supports axial-position trends over extended travel.

Rotor and valve travel measurement

Provides a stable monitor input from the matched probe system.

25 mm electronics renewal

Restores the electronic element of a documented nine-metre loop.

Read the applicable Bently Nevada instructions before work. Verify 330850-90-00 and the installed 3300 XL 25 mm Proximity Transducer System configuration.
1

Verify 330850-90-00, nine-metre system length and panel execution before work.

2

Place the monitored machine and displacement channel in the approved maintenance state.

3

Isolate negative DC power and label power, common and output conductors.

4

Record probe, extension-cable and monitor identities before disconnecting the sensor.

5

Use ESD controls and protect the terminals and mounting pad from damage.

6

Match only a documented 25 mm probe and cable combination totaling nine metres.

7

Restore gap, scale, polarity and alarm configuration from the approved record.

8

Sweep the target through the controlled measurement range and verify monitor response.

Technical notes

Confirm the nine-metre system, panel hardware and not required; restore supply polarity, shield termination, scale and full-travel alarm settings.

FAQ View All FAQ

  • What is the documented system role of 330850-90-00?
    330850-90-00 is 3300 xl 25 mm panel proximitor sensor. It powers and linearizes the matched 25 mm probe system, providing a conditioned large-displacement voltage to the monitoring channel.
  • Which host hardware must be matched with 330850-90-00?
    Match 330850-90-00 with the documented 3300 XL 25 mm Proximity Transducer System and the installed 3300 XL 25 mm probe, matched 25 mm extension cable.
  • How should the complete 330850-90-00 identification be verified?
    Compare the full marking with the controlling 163236 Rev. M record; the documented sensor model is 330850.
  • What connection check is required before installing 330850-90-00?
    Record probe, extension-cable and monitor identities before disconnecting the sensor.
  • How should 330850-90-00 be protected during handling?
    Use ESD controls and protect the terminals and mounting pad from damage.
  • What configuration must be restored after replacing 330850-90-00?
    Match only a documented 25 mm probe and cable combination totaling nine metres.
  • What commissioning test is required for 330850-90-00?
    Sweep the target through the controlled measurement range and verify monitor response.
  • Can 330850-90-00 replace a visually similar part directly?
    No direct substitution should be assumed. Match the complete 330850-90-00 code, interfaces, system length or mounting arrangement, and the approved host configuration.
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