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      990-05-70-02-01

      Vibration Transmitter
      In Stock
      Ships by Wednesday, October 14
      Fast Shipping Available

      Product Describe：

      Bently Nevada 990-05-70-02-01 is a loop-powered vibration transmitter for a matched 7 m 3300 NSv proximity-transducer system. Its 0–5 mil peak-to-peak measurement range is represented as a 4–20 mA signal, with bulkhead-screw mounting and the CSA Division 2 approval option.

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      Technical specifications Information Technical notes FAQ

      Technical specifications for 990-05-70-02-01

      Technical specifications for 990-05-70-02-01

      • Manufacturer:
        Bently Nevada
      • Product Category:
        Machinery Monitoring System
      • Spare Part Number:
        990-05-70-02-01
      • Estimated shipping dimensions:
        7.4x4.6x10cm
      • Weight:
        0.44 kg
      • Tariff Code:
        8537101190
      • Counliy of origin:
        USA
      • Full-scale option:
        0–5 mils pp (0–125 µm pp)
      • System length option:
        7.0 m (23.0 ft)
      • Mounting hardware:
        Bulkhead screws
      • Agency approval option:
        CSA Division 2
      • Loop signal:
        4–20 mA DC, two-wire
      • Input supply:
        +12 to +35 V DC
      • Probe assembly:
        3300 NSv probe and extension cable
      • Maximum loop resistance:
        1,000 Ω at 35 V DC, including cable
      • Required probe gap:
        0.5–1.75 mm
      • NOT OK output:
        Below 3.6 mA within 100 µs
      • Power-up inhibit:
        Below 3.6 mA for 2–3 s
      • Operating temperature:
        -35 to +85 °C
      View as PDF Ask for Quote

      Information

      Information

      Overview Manuals Common Applications Product Precautions
      Bently Nevada 990-05-70-02-01 is a two-wire 990 vibration transmitter for a documented machinery-monitoring loop.
      • 0–5 mil peak-to-peak vibration range
      • 7 m selected system length
      • bulkhead screw mounting selection
      • CSA Division 2 option in the final order-code position

      The NSv probe, extension cable, transmitter and receiving input form a matched measurement chain. Verify the 7 m selected system length with the installed probe and extension. Check loop power and the controlled 4–20 mA response before release.

      Important Notice: Confirm the full 990-05-70-02-01 marking, mounting position, cable route and documented channel scaling. Retain the final 01 approval position as a distinct order-code choice.

      Bently Nevada 990-05-70-02-01 Manuals & Downloads
      990-05-70-02-01 Technical Reference (PDF)990-05-70-02-01 Installation & Commissioning Guide (PDF)

      The first PDF records verified 990-family values and the exact ordered identity; the second covers installation checks, commissioning observations and acceptance evidence.

      Shaft vibrationTrend radial shaft movement through the configured 0–5 mil peak-to-peak 4–20 mA channel.
      Loop integrationConnect the two-wire transmitter to the documented monitoring-system input and loop supply.
      Sensor diagnosticsCheck probe gap, cable continuity, NOT OK current behavior and the PROX OUT signal path.
      Exact-article maintenanceReplace 990-05-70-02-01 only after its mount, length selection, approval position and site scaling are checked.
      Read the applicable 990 installation instructions before work. Verify 990-05-70-02-01 and the complete sensing and loop configuration before isolation or commissioning.
      1
      Confirm the complete 990-05-70-02-01 nameplate and the installed 990 channel record.
      2
      Place the machine, protection channel and transmitter loop in the approved maintenance state.
      3
      Record probe, extension, mounting, terminals, shield and loop assignments before removal.
      4
      Verify the 7 m selected system length with the installed probe and extension. Confirm bulkhead screw mounting from the actual installation.
      5
      Check the +12 to +35 V DC loop supply and receiving-input burden against the installed design.
      6
      Inspect NSv probe gap, target condition, cable route and connector engagement.
      7
      Restore wiring and verify 4–20 mA response and NOT OK indication under controlled conditions.
      8
      Retain exact article identity and as-left acceptance evidence. Retain the final 01 approval position as a distinct order-code choice.

      Technical notes

      Technical notes

      Maintain the specified probe gap and 7 m NSv system length while mounting the transmitter with bulkhead screws. Test loop current and the NOT OK response before releasing the machinery-control channel.

      FAQS

      • Does 990-05-70-02-01 provide a 5 m or 7 m system option?
        Its 70 ordering segment specifies a 7.0 m (23.0 ft) system length; select the matching NSv probe and extension cable.
      • What range should the 4–20 mA channel represent?
        The 05 option represents 0–5 mils peak-to-peak (0–125 µm pp) across the proportional loop output.
      • Which approval is associated with the 01 ending?
        The 01 approval option denotes CSA Division 2. Do not treat it as the broader 05 approval option.
      • Why is a DIN-rail clip unsuitable for this 02 mounting option?
        Option 02 is furnished for bulkhead-screw mounting; use the specified bulkhead fixing arrangement.
      • How long is the output inhibited immediately after energizing?
        The loop stays below 3.6 mA for approximately 2–3 seconds during power-up inhibit before the transmitter reaches its operating state.
      • What loop loading can be used with a 35 V supply?
        The specified maximum loop resistance is 1,000 Ω including the connected cable at 35 V DC.
      • How can maintenance staff stimulate the loop without machine vibration?
        The TEST input permits a function-generator signal to check the loop response while the channel is under controlled test conditions.
      • What should be isolated before using a grounded oscilloscope?
        PROX OUT is not isolated from the current loop; use the 990/991 Test Adapter with grounded AC-powered equipment.
      Trusted by 5,000+ plants worldwide | Backed by our vast inventory of top-tier control parts, modules and cards, fast shipments are dispatched to cover your urgent needs. ABOUT US >>
      Disclaimer: We are not an authorized distributor or distributor of the product manufacturer of this website, The product may have older date codes or be an older series than that available direct from the factory or authorized dealers. Because our company is not an authorized distributor of this product, the Original Manufacturer`s warranty does not apply.While many DCS PLC products will have firmware already installed, Our company makes no representation as to whether a DSC PLC product will or will not have firmware and, if it does have firmware, whether the firmware is the revision level that you need for your application. Our company also makes no representations as to your ability or right to download or otherwise obtain firmware for the product from our company, its distributors, or any other source. Our company also makes no representations as to your right to install any such firmware on the product. Our company will not obtain or supply firmware on your behalf. It is your obligation to comply with the terms of any End-User License Agreement or similar document related to obtaining or installing firmware.

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