990-04-XX-03-00 Bently Nevada | Two-wire Vibration Transmitter

Overview:

The Bently Nevada 990-04-XX-03-00 Vibration Transmitter is a high-precision monitoring device designed to measure vibration signals in various industrial environments. This transmitter uses a non-contacting 3300 NSv proximity probe to convert vibration data into a 4-20 mA output for further analysis. The device is ideal for applications requiring reliable vibration monitoring in non-hazardous and hazardous environments.

Technical Specifications:

• Brand: Bently Nevada
• Model: 990-04-XX-03-00
• Suffix Meaning:
  • XX: System Length (50 = 5.0 meters, 70 = 7.0 meters).
  • 03: Mounting Option (DIN clips and screws).
• Agency Approval Option: 00 (No approval required).
• Output: 4-20 mA in a 2-wire configuration.
• Probe Gap: 0.5 mm to 1.75 mm (20 mils to 55 mils).
• Loop Resistance: Maximum 1,000 Ω including cable at 35 Vdc.
• Probe Tip Material: Polyphenylene sulfide (PPS).
• Probe Cable: 75Ω coaxial with FEP insulation.

Frequently Asked Questions (FAQ):

1. What is the full-scale range of the 990-04 Vibration Transmitter?
   • The full-scale range is 0-4 mils pp (0-100 μm pp).
2. What are the mounting options for this device?
   • It comes with DIN clips and screws for easy installation.
3. What is the accuracy of the vibration signal output?
   • The 4-20 mA signal output has an accuracy of ±1.5% over the specified full-scale range.
4. Can this transmitter be used in hazardous areas?
   • Yes, it is suitable for non-hazardous and Zone 2 or Div 2 hazardous locations.
5. What is the operating temperature range?
   • The operating temperature range is -35°C to +85°C (-31°F to +185°F).
6. What is the probe gap requirement?
   • The probe must be gapped between 0.5 mm and 1.75 mm (20 mils and 55 mils) from the target.

For more detailed information:990 Vibration Transmitter Datasheet