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      3300/20-11-01-01-00-02

      Dual Thrust Monitor
      In Stock
      Ships by Saturday, November 7
      Fast Shipping Available
      Product image is representative; revision or series may vary. Contact us to request a specific version.

      Product Describe：

      Bently Nevada 3300/20-11-01-01-00-02 is a metric dual thrust-position monitor with a ±0.5 mm scale, epoxy-sealed alarm relays and internal safety barriers. Its input option accepts 200 mV/mil Proximitor systems.

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      • 2

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      Technical specifications for 3300/20-11-01-01-00-02

      • Manufacturer:
        Bently Nevada
      • Product Category:
        Machinery Monitoring Systems
      • Spare Part Number:
        3300/20-11-01-01-00-02
      • Estimated shipping dimensions:
        5.1×32×20.5cm
      • Weight:
        1.02 kg
      • Tariff Code:
        8537101190
      • Counliy of origin:
        USA
      • Measurement channels:
        2 independent axial-position channels
      • Position scale:
        0.5-0-0.5 mm
      • Selected transducer sensitivity:
        200 mV/mil (approximately 8 V/mm)
      • Signal input impedance:
        10 kΩ
      • Nominal consumption:
        1.5 W
      • Signal-conditioning accuracy at +25 °C:
        ±0.33% full-scale typical; ±1% maximum
      • Recorder output selections:
        4–20 mA; 1–5 V DC; 0 to -10 V DC
      • Current recorder load:
        0–600 Ω
      • Voltage recorder minimum load:
        10 kΩ
      • Buffered output impedance:
        100 Ω
      • Alarm setpoint adjustment:
        0–100% full-scale; normal and counter directions
      • Alarm repeatability:
        Within 0.39% full-scale
      • Alarm delay selections:
        0.1, 1, 3 or 6 s
      • Relay construction:
        Epoxy sealed
      • Safety barrier configuration:
        Internal
      • Operating temperature:
        0 to +65 °C
      View as PDF Ask for Quote

      Information

      Overview Manuals Common Applications Product Precautions
      Bently Nevada 3300/20-11-01-01-00-02 combines a narrow metric axial-position scale with internally barrier-equipped signal interfaces, bringing field-circuit compatibility into the same channel review as gap and alarm setup.
      • Displays each shaft-position channel on its own bargraph.
      • Provides individual recorder outputs proportional to the configured range.
      • Allows normal thrust direction to be selected per channel.
      • Includes internal safety barriers in the selected assembly.

      The internal-barrier selection must be assessed with the connected transducers and field wiring. It does not by itself establish approval for a hazardous-area installation; the complete assembly and installation conditions still apply.

      Important Notice: Retain the internal-barrier signal interface when selecting a replacement assembly. Do not substitute an unbarriered rear interface merely because the front monitor range matches.

      Bently Nevada 3300/20-11-01-01-00-02 Manuals & Downloads
      Bently Nevada 3300/20-11-01-01-00-02 Official Technical Reference Excerpt (PDF)Bently Nevada 3300/20-11-01-01-00-02 Installation & Commissioning Guide (PDF)

      The technical excerpt covers monitor characteristics and configuration choices. The installation guide addresses two-probe alignment, field connections, direction checks and alarm acceptance.

      Thrust collar position
      Measure axial displacement of the collar relative to bearing clearance.
      Dual-channel thrust protection
      Compare two probes observing the same collar or shaft.
      Bidirectional axial travel
      Apply normal and counter-thrust thresholds to the selected position scale.
      Remote position recording
      Send individually scaled channel outputs to a compatible receiver.
      Check both axial-position channels and their alarm paths before returning Bently Nevada 3300/20-11-01-01-00-02 to service.
      1
      Identify both probes and the thrust collar they observe.
      2
      Record the current gap and normal-direction setting for each channel.
      3
      Check the 0.5-0-0.5 mm scale against the machine travel requirement.
      4
      Verify the 200 mV/mil input sensitivity and transducer supply.
      5
      Retain the selected epoxy sealed relay arrangement.
      6
      Confirm the internal safety barrier connections before reconnecting field wiring.
      7
      Test normal and counter Alert and Danger thresholds under the maintenance procedure.
      8
      Restore voting, reset, delay and bypass settings before returning protection to service.

      Technical notes

      Separate monitor accuracy, recorder-output accuracy, LCD resolution and alarm repeatability when assessing the complete measurement. The recorder-output error is additional to the signal-conditioning error.

      FAQ View All FAQ

      • Does the internal-barrier option in 3300/20-11-01-01-00-02 allow the four-relay arrangement?
        No. The 3300/20 internal safety barrier option is not available with Quad Relays. This selected configuration uses the compatible epoxy-sealed relay arrangement.
      • Does 3300/20-11-01-01-00-02 include a hazardous-area approval just because it has internal barriers?
        No. Barrier selection and agency approval are separate choices. This complete order code has no agency-approval option selected; evaluate the complete installation requirements independently.
      • What is visible on the center scale of 3300/20-11-01-01-00-02?
        The center scale indicates probe gap. The two separate side bargraphs display the channel measurements, helping distinguish raw gap condition from the axial-position indication.
      • Are the buffered connections and recorder outputs of 3300/20-11-01-01-00-02 the same signal?
        No. Buffered outputs expose the transducer signal; recorder outputs are proportional to the programmed monitor full-scale. Select the connection appropriate to the measurement being checked.
      • Where can both buffered transducer signals be accessed on 3300/20-11-01-01-00-02?
        Each channel has a front-panel coaxial connector and a rear terminal connection. These buffered outputs are short-circuit protected and have 100 Ω output impedance.
      • What does a 5 Hz flashing green OK LED mean on 3300/20-11-01-01-00-02?
        It indicates that error codes are stored in memory. Read the displayed error information rather than interpreting the flashing LED as a steady healthy-channel indication.
      • Can Alert and Danger reset behavior be configured separately on 3300/20-11-01-01-00-02?
        Yes. Alert reset and Danger reset each have latching or nonlatching selections. Verify both settings against the required protection sequence.
      • Which temperature and humidity conditions apply to 3300/20-11-01-01-00-02?
        The monitor operates from 0 to +65 °C and is specified for up to 95% relative humidity without condensation. The storage range is -40 to +85 °C.
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