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      990-05-70-02-05

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

      Product Describe：

      Bently Nevada 990-05-70-02-05 is a two-wire vibration transmitter configured for a 0–5 mil peak-to-peak range and a 7 m 3300 NSv transducer system. It uses bulkhead-screw mounting and delivers a proportional 4–20 mA signal to a machinery-control input.

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      Technical specifications Information Technical notes FAQ

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

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

      • Manufacturer:
        Bently Nevada
      • Product Category:
        Machinery Monitoring System
      • Spare Part Number:
        990-05-70-02-05
      • Estimated shipping dimensions:
        7.4×4.6×10cm
      • Weight:
        0.44 kg
      • Tariff Code:
        8537101190
      • Counliy of origin:
        USA
      • Full-scale range:
        0–5 mils pp (0–125 µm pp)
      • System length option:
        7.0 m (23.0 ft)
      • Mounting option:
        Bulkhead screws
      • Approval option:
        CSA Div 2; ATEX Zone 0 and 2; ABS maritime
      • Signal output:
        4–20 mA DC, two-wire
      • Transmitter supply:
        +12 to +35 V DC
      • Sensor input:
        3300 NSv proximity probe and extension cable
      • Maximum loop resistance:
        1,000 Ω including cable at 35 V DC
      • Probe gap for full scale:
        0.5–1.75 mm
      • NOT OK output:
        <3.6 mA within 100 µs
      • Transmitter operating temperature:
        -35 to +85 °C
      • Zero/span adjustment:
        Non-interacting external controls
      View as PDF Ask for Quote

      Information

      Information

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

      The installed NSv probe, extension cable, 990 transmitter and receiving input form one configured measurement chain. Verify loop power, wiring and controlled 4–20 mA response before release.

      Important Notice: Confirm the complete 990-05-70-02-05 marking, mounting position, probe gap, cable path and documented channel scaling before replacement.

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

      The first PDF documents this ordered transmitter and its verified 990-family values; the second covers installation checks, commissioning observations and acceptance records.

      Shaft vibrationUse the matched NSv sensing chain to trend radial shaft movement through the configured 4–20 mA loop.
      Loop monitoringConnect the two-wire transmitter to the approved machinery-monitoring or control-system input.
      Probe diagnosticsReview NOT OK current behavior and the non-isolated PROX OUT path in the documented channel.
      Retrofit maintenanceReplace the exact 990-05-70-02-05 execution only after checking mount, length, approval and site scaling.
      Read the applicable 990 installation instructions before work. Verify 990-05-70-02-05 and the complete sensing and loop configuration before isolation or commissioning.
      1
      Verify the complete 990-05-70-02-05 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, mount, terminals, shield and loop assignments before removal.
      4
      Confirm the selected 7 m system length and bulkhead screw mounting without substituting adjacent codes.
      5
      Check the installed +12 to +35 V DC loop supply and receiving-input burden.
      6
      Inspect NSv probe gap, target condition, cable route and connector engagement.
      7
      Restore wiring and check 4–20 mA response plus any NOT OK indication under controlled conditions.
      8
      Retain exact article identity, as-left configuration and functional acceptance evidence.

      Technical notes

      Technical notes

      Install the 7 m NSv probe and extension-cable assembly with the documented bulkhead mounting hardware. Verify the probe gap and 4–20 mA loop before returning the monitored machine to service.

      FAQS

      • What does the 70 length option mean for 990-05-70-02-05?
        It specifies a 7.0 m (23.0 ft) proximity-transducer system length; use a matched 3300 NSv probe and extension cable.
      • How is the 02 mounting version secured?
        The 02 execution uses bulkhead screws rather than the 35 mm DIN-rail clips of option 01.
      • What does the final 05 approval option cover?
        The 05 ordering option includes CSA Division 2, ATEX Zone 0 and Zone 2, and ABS maritime approval; apply the certification requirements of the installed system.
      • What current represents measured vibration on this transmitter?
        The two-wire output varies proportionally from 4 to 20 mA over the selected 0–5 mil peak-to-peak range.
      • How should a NOT OK loop signal be interpreted?
        A probe or connection fault can drive the output below 3.6 mA within 100 µs; confirm the transducer and cable before treating the reading as valid.
      • Which probe gap supports the full selected range?
        Set the compatible NSv probe 0.5–1.75 mm from the target before loop verification.
      • Can a grounded AC analyzer connect directly to PROX OUT?
        PROX OUT is non-isolated. Use the 990/991 Test Adapter to isolate grounded AC-powered test equipment from the loop.
      • How can zero and span be checked after bulkhead installation?
        Use the non-interacting external zero and span controls and the TEST input while verifying the 4–20 mA response in the commissioned loop.
      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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