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Bently Nevada 990-05-70-02-01 990 Vibration Transmitter

Bently Nevada 990-05-70-02-01 990 Vibration Transmitter

A 0-5 mil peak-to-peak vibration transmitter for a 7.0 m NSv system, with bulkhead mounting and CSA Division 2 approval option.

  • Item NO.:

    990-05-70-02-01
  • Order(MOQ):

    1
  • Goods Stock:

    12
  • Payment:

    T/T
  • Lead Time:

    In stock
  • Weight:

    0.44kg
  • Dimension:

    7.4x4.6x10cm
  • Description:

    990 Vibration Transmitter
  • Price:

    Ask
BENTLY NEVADA · INDUSTRIAL CONDITION MONITORING
990-05-70-02-01

990 Vibration Transmitter

A 0-5 mil peak-to-peak vibration transmitter for a 7.0 m NSv system, with bulkhead mounting and CSA Division 2 approval option.

Product Overview

This 990 transmitter provides a simple route from a 3300 NSv proximity chain to a plant 4-20 mA vibration channel. Its buffered Prox Out connection gives maintenance a direct view of the proximity signal during setup and troubleshooting. For this loop, 990-05-70-02-01 combines the specified vibration range, system length and mounting method.

The configured range is 0-5 mil peak-to-peak, with a 7.0 m total probe-and-extension-cable path. Bulkhead screws suit panel mounting, and approval code 01 identifies the CSA Division 2 option. Those four option fields distinguish 990-05-70-02-01 from other 990 transmitter configurations.

Before energizing the loop, confirm power, mounting clearance, coaxial connections and the DCS scale. Gap the probe within range, prove the 4 mA and 20 mA points, and keep a machine-state baseline for future comparisons. Saving the 990-05-70-02-01 baseline with the machine state makes future loop diagnosis more decisive.

Technical Specifications

Manufacturer
Bently Nevada
Part number
990-05-70-02-01
Product family
990 Vibration Transmitter
Full-scale range
0 to 5 mil pp / 0 to 125 µm pp (05)
System length
7.0 m matched NSv chain (70)
Mounting
Bulkhead screws (02)
Agency option
CSA Division 2 (01)
Sensor input
One 3300 NSv probe and extension cable
Power
+12 to +35 Vdc
Signal output
4 to 20 mAdc, two-wire
Loop accuracy
±1.5% of full-scale
Probe gap
0.5 to 1.75 mm
Transmitter temperature
-35 to +85 °C operating
Transmitter weight
0.43 kg, device value
Place of shipment
Xiamen, China
Delivery Time
1-3 days
Quantity
100% New Original
Minimum Order Quantity
1pc
Bently Nevada condition monitoring components in a wind turbine application poster

Selection, Installation & Diagnostics

Selection

  • Confirm the 5 mil range and 7.0 m total NSv chain from the loop drawing.
  • Check bulkhead hole pattern, service access and CSA Division 2 marking against the enclosure design.

Installation

  • Keep coaxial connectors protected and maintain clearance for zero, span, test and Prox Out access.
  • Scale the DCS for 4 mA = 0 and 20 mA = 5 mil pp after completing the loop test.

Diagnostics

  • If current falls below 3.6 mA, inspect gap, cable continuity, supply and the transmitter OK state.
  • Use Prox Out to distinguish sensing-chain behavior from 4-20 mA wiring or channel configuration.

Alternative Names

99005700201990 05 70 02 01990/05/70/02/01990_05_70_02_01Bently Nevada 990-05-70-02-01990 vibration transmitter 990-05-70-02-01990-5-70-02-0199005-70-02-01

Frequently Asked Questions

How should the exact 7.0 m NSv signal chain for 990-05-70-02-01 be assembled?

Add the NSv probe lead and the correct extension cable so the electrical total is 7.0 m. Use the component part numbers for this decision because routed distance alone does not identify calibrated length.

Which enclosure clearances matter when drilling for the bulkhead body of 990-05-70-02-01?

Allow room for the mounting hole, rear terminals, grounding, coaxial bend radius and access to zero, span, test and Prox Out. The bulkhead face can fit while the enclosure remains too shallow for service access.

Which DCS scaling should be used for the 5 mil full-scale output of 990-05-70-02-01?

Map 4 mA to zero vibration and 20 mA to 5 mil peak-to-peak, then verify at least one intermediate point with the approved loop-test method. This prevents a healthy transmitter from appearing incorrect in the DCS.

How should the 0.5 to 1.75 mm probe-gap window be used to keep 990-05-70-02-01 out of Not OK?

Set the probe inside the published 0.5 to 1.75 mm gap range and check that the output remains above the Not OK threshold. A marginal gap can drive the loop below 3.6 mA even when field wiring is intact.

What must the nameplate show before 990-05-70-02-01 is installed in CSA Division 2 service?

The supplied unit should carry the CSA Division 2 marking that matches the project classification. The bulkhead installation method and local enclosure requirements still determine whether the completed loop is acceptable.

How can Prox Out on 990-05-70-02-01 separate a 7.0 m sensing-chain fault from bulkhead loop wiring?

Compare the buffered Prox Out signal with the 4-20 mA current. A credible Prox Out signal with an incorrect DCS value points toward bulkhead wiring or scaling, while an abnormal Prox Out signal keeps attention on the 7.0 m probe chain.

ApterPLC 1-Year Warranty

1YEAR WARRANTY

Support for the supplied product

Products supplied by ApterPLC are covered for 12 months under the applicable sales terms. Keep the complete unit nameplate and transaction record so the exact product can be identified during technical support.

Emailsales1@apterpower.com
WhatsApp / Phone+8618020776782

Datasheet and Technical Documents

PDFOFFICIAL TECHNICAL DATA

990 Vibration Transmitter Datasheet 141612

The attached selection contains the official description, performance data, environmental limits, ordering codes and product drawings relevant to 990-05-70-02-01. Unrelated catalog pages have been removed.

ManufacturerBaker Hughes / Bently Nevada
Filtered document7 relevant pages
View Filtered Datasheet

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