990-04-50-01-05 Bently Nevada | Two-wire Vibration Transmitter

Overview

The Bently Nevada 990-04-50-01-05 Vibration Transmitter monitors machinery health in extreme environments. It works with 3300 NSv Proximity Probes to detect vibrations. Sends a 4-20 mA signal for easy system control. Features 35 mm DIN rail clips and multiple safety certifications (CSA, ATEX, ABS). Made in the USA with optional COO document.

Technical Specifications

• Brand: Bently Nevada
• Model: 990-04-50-01-05

  Code Breakdown:

  • ▶ 04: 0-4 mils range (0-100 μm)
  • ▶ 50: 5-meter system length
  • ▶ 01: DIN rail clips
  • ▶ 05: CSA/ATEX/ABS certified
• Power Input: +12 to +35 Vdc (±7% fluctuation)
• Output Signal: 4-20 mA linear to 0-4 mils
• Accuracy: ±1.5% at 250Ω, 18-28°C
• Probe Gap: 0.5-1.75 mm (20-55 mils)
• Fault Response: Output <3.6 mA in 100 μs
• Recovery Time: 2.3 sec (max) after fault fix
• Frequency Range: 5 Hz–6 kHz (±3 dB)
• Cable Spec: 3m shielded (20 AWG)
• Certifications:
  • CSA Division 2
  • ATEX Zone 0/Zone 2
  • ABS maritime approval
• Temp Limits: -25°C to +80°C (-13°F to +176°F)
• Weight: 0.43 kg (0.95 lbs)

For more detailed information:990 Vibration Transmitter Datasheet