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990-04-XX-01-CN 990 Vibration Transmitter
990-04-XX-01-CN 990 Vibration Transmitter
990-04-XX-01-CN 990 Vibration Transmitter

Bently Nevada 990-04-XX-01-CN 990 Vibration Transmitter

  • Item NO.:

    990-04-XX-01-CN
  • Order(MOQ):

    1
  • Goods Stock:

    10
  • Payment:

    T/T
  • Lead Time:

    In stock
  • Weight:

    1.02KG
  • Dimension:

    10.5x7.5x5.2cm
  • Description:

    VIBRATION TRANSMITTER
  • Price:

    Ask
BENTLY NEVADA · INDUSTRIAL MONITORING COMPONENT
990-04-XX-01-CN

990 Vibration Transmitter

Loop-powered 990 vibration transmitter with the 0-4 mil pp range, 35 mm DIN-rail clips and the CN country-specific approval option; the XX system-length field must be confirmed.

MANAGERJimPei
WHATSAPP / PHONE+8618020776782EMAILsales1@apterpower.com

Product Overview

990-04-XX-01-CN is a Bently Nevada 990 two-wire, loop-powered vibration transmitter that converts a compatible proximity-transducer signal to a proportional 4-20 mA output.

Code 04 identifies the 0-4 mil pp / 0-100 micrometre pp full-scale range, code 01 identifies 35 mm DIN-rail clips, and CN is a China country-specific hazardous-area ordering option rather than a country-of-origin code.

The public 990 ordering table defines system-length codes 50 and 70 but does not define XX. The connected probe, extension cable, system length and any MOD record must therefore be confirmed from the supplied unit before selection.

Technical Specifications

Manufacturer
Bently Nevada
Reference
990-04-XX-01-CN
Product family
990 Vibration Transmitter
Output
Two-wire 4-20 mA proportional current loop
Power
+12 to +35 Vdc loop supply
Full-scale range
0-4 mil pp / 0-100 micrometre pp (code 04)
Mounting
35 mm DIN-rail clips (code 01)
System-length field
XX - confirm from nameplate or MOD record
Approval option
CN country-specific option; verify supplied-unit markings
NOT OK output
Falls below 3.6 mA
Place of shipment
Xiamen, China
Delivery Time
1-3 days
Quantity
100% New Original
Minimum Order Quantity
1pc
ApterPLC industrial Bently Nevada monitoring-system poster

Selection, Installation & Diagnostics

Selection

  • Do not replace XX with 50 or 70 unless the unit nameplate or MOD documentation confirms the system length.
  • Verify the connected probe and extension-cable labels together with the transmitter reference.

Installation

  • Confirm loop voltage, polarity, load and earth arrangement before energizing the transmitter.
  • The PROX OUT signal is non-isolated; use an isolation adapter when connecting AC-powered test equipment as directed by the manufacturer.

Diagnostics

  • If current output is missing, review supply voltage, polarity, loop load, NOT OK condition and the connected transducer chain.
  • Treat 3.6 mA or lower as a diagnostic condition rather than a normal vibration value.

Alternative Names

99004XX01CN990 04 XX 01 CN990/04/XX/01/CN990_04_XX_01_CN990-04-XX-01-CBently Nevada 990-04-XX-01-CNBently-Nevada 990-04-XX-01-CN990 vibration transmitter 04 XX 01 CN

Frequently Asked Questions

Can a controls engineer connect 990-04-XX-01-CN directly to a PLC or DCS analog input?

Yes, as a two-wire 4-20 mA loop device, provided the loop supply, polarity and load meet the transmitter requirements. Machinery alarming and control logic remain responsibilities of the receiving control system.

What should commissioning staff conclude if 990-04-XX-01-CN remains below 3.6 mA after power-up?

That level represents a NOT OK or signal-defeat condition rather than normal vibration. Allow the documented two-to-three-second power-up interval, then review loop power, polarity, probe condition, connection security and the complete proximity-transducer path.

Is the 4-20 mA signal from 990-04-XX-01-CN sufficient for detailed machinery diagnostics?

The loop signal carries the proportional peak-to-peak vibration value, but it does not preserve the dynamic waveform needed for detailed diagnosis. Use the PROX OUT signal with battery-powered or properly isolated test equipment for waveform analysis.

How can a technician verify the loop scaling of 990-04-XX-01-CN during commissioning?

The transmitter includes a TEST input for applying a function-generator signal and checking the resulting loop output. Follow the manufacturer procedure and keep the test setup electrically compatible with the two-wire loop.

Can procurement substitute a standard 50 or 70 system-length code for XX in 990-04-XX-01-CN?

The public ordering table does not define XX, so that substitution would be an unsupported assumption. Obtain the supplied-unit nameplate and any MOD documentation before selecting a probe, extension cable or replacement transmitter.

Does the CN suffix on 990-04-XX-01-CN establish manufacturing origin or automatic site approval?

CN is a country-specific hazardous-area ordering option, not a manufacturing-origin statement. Acceptance should be based on the actual markings and certificate scope of the supplied transmitter together with the site's area classification.

Can 990-04-XX-01-CN provide all protection functions normally available in a dedicated machinery monitor?

The transmitter supplies a vibration loop signal and NOT OK behavior, but functions such as gap alarms, phase alarms, Danger Bypass and Trip Multiply are not provided through the 4-20 mA output. Confirm that the receiving control system covers the required protection logic.

ApterPLC 1-Year Warranty

1YEAR COVERAGE
COVERAGE PERIOD12 Months
SUPPORT CONTACTsales1@apterpower.com

The supplied product is covered for 12 months under ApterPLC sales terms. Retain the complete product label, original packaging and transaction record so the exact unit can be identified quickly if warranty support is needed.

Datasheet

REQUEST

Looking for the 990-04-XX-01-CN manual or datasheet?

Share a clear product label and the document type you need. Our team will compare the available manufacturer material and help identify the most relevant file for this exact configuration.

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