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990-04-50-01-CN

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The 990-04-50-01-CN is a precision instrument designed specifically for vibration monitoring applications, offering ample flexibility in cable routing.
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Technical specifications for 990-04-50-01-CN

  • Manufacturer:
    Bently Nevada
  • Part Number:
    990-04-50-01-CN
  • Product Family:
    990 Vibration Transmitter
  • Full-scale:
    0-4 mils pp (0-100 μm pp)
  • System Length:
    5.0 meters (16.4 feet)
  • Mounting Option:
    35 mm DIN rail clips
  • Power Requires:
    +12 to +35 Vdc input at the transmitter terminal.
  • Maximum loop resistance:
    1,000 Ω including cable at 35 Vdc.
  • Current limiting:
    23 mA typical.
  • Frequency response:
    5 Hz to 6,000 Hz +0, 3 dB.
  • Environmental Protection:
    Potted construction, suitable for up to 100% condensing humidity
  • Weight:
    0.46 kg
  • Estimated shipping dimensions:
    9.9x7.3x6cm
  • Tariff Code:
    8537101190
  • Country of origin:
    USA
  • Place of shipment:
    Xiamen,Fujian,China
By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.
Description
990-04-50-01-CN is a configured model within the 990 Vibration Transmitter series, designed to convert vibration signals into proportional output signals for continuous condition monitoring of rotating machinery. The 990-04-50-01-CN transmitter is commonly applied in industrial environments where accurate vibration measurement is required to support predictive maintenance strategies, equipment protection systems, and real-time machinery health monitoring. The 990-04-50-01-CN is engineered to provide stable signal conversion performance and reliable integration with plant monitoring and control systems.

In measurement capability, 990-04-50-01-CN is configured with a full-scale vibration range of 0–4 mils peak-to-peak (0–100 μm peak-to-peak). This measurement range enables 990-04-50-01-CN to accurately detect and transmit vibration levels associated with rotating equipment such as motors, pumps, compressors, and turbines. The selected full-scale configuration of 990-04-50-01-CN allows it to capture vibration amplitude variations while maintaining signal accuracy and resolution suitable for machinery protection and performance analysis.

Regarding system configuration, 990-04-50-01-CN is supplied with a system length of 5.0 meters (16.4 feet). This predefined system length allows 990-04-50-01-CN to maintain calibrated system performance and ensures proper signal transmission between the probe system and the transmitter electronics. The specified system length supports stable measurement accuracy and simplifies installation by providing a matched sensor-to-transmitter configuration.

For installation and mechanical integration, 990-04-50-01-CN utilizes 35 mm DIN rail mounting clips, allowing the transmitter to be securely installed inside industrial control cabinets or monitoring panels. The DIN rail mounting option of 990-04-50-01-CN supports standardized panel installation, simplifies maintenance procedures, and ensures compatibility with common industrial enclosure systems.

In terms of certification and regulatory compliance, 990-04-50-01-CN includes multiple hazardous area and industry approvals. The 990-04-50-01-CN is certified for CSA Division 2, ATEX Zone 0, and ATEX Zone 2 applications, confirming its suitability for installation in hazardous environments where explosive gases or vapors may be present. Additionally, 990-04-50-01-CN carries ABS maritime approval, allowing its use in marine and offshore applications where vibration monitoring is required under maritime regulatory standards.

Overall, 990-04-50-01-CN combines precise vibration measurement capability, standardized DIN rail installation, fixed system length calibration, and multi-industry hazardous area approvals, enabling 990-04-50-01-CN to deliver reliable vibration monitoring performance across a wide range of industrial and marine applications.
Alternative Names
990 04 50 01 CN 990-04-50-01-05 990-04-50-01-01 990-04-50-01-00 990-04-70-01-CN
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FAQS

The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
Which sensors are compatible with the 990 Vibration Transmitter?
It accepts input from the 3300 NSv proximity probe with matching extension cables available in 5 m and 7 m system lengths.
How does the transmitter process the vibration signal?
The transmitter conditions the input signal into peak-to-peak vibration amplitude engineering units and converts it into a proportional 4–20 mA signal for the control system.
Does the 990-04-50-01-CN 990 Vibration Transmitter require an external Proximitor Sensor?
No. It features an integrated Proximitor Sensor, eliminating the need for an external unit.

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