Two-wire Vibration Transmitter | 990-05-50-03-01 Bently Nevada

Overview

The Bently Nevada 990-05-50-03-01 Vibration Transmitter monitors machinery health with high accuracy. Designed for industrial applications, it supports non-contacting 3300 NSv Proximity Probes and ensures reliable 4-20 mA signal output. Additionally, it meets Zone 2/Div 2 safety standards, making it suitable for hazardous environments. Its compact design and DIN rail mounting simplify installation.

Technical Specifications

• Brand: Bently Nevada
• Model: 990-05-50-03-01
• Suffix Breakdown:
  • 05: 0-5 mils pp (0-125 µm pp) full-scale range
  • 50: 5.0 m (16.4 ft) system length
  • 03: DIN clips/screws mounting
  • 01: 35 mm DIN rail clips (agency approval)
• Input: 1 x 3300 NSv Proximity Probe + extension cable
• Power Supply: +12 to +35 Vdc
• Output Signal: 4-20 mA (2-wire configuration)
• Loop Accuracy: ±1.5% (includes Prox Out error)
• Probe Gap Range: 0.5–1.75 mm (20–55 mils)
• Max Loop Resistance: 1,000 Ω at 35 Vdc
• Current Limit: 23 mA (typical)
• Frequency Response: 5 Hz–6 kHz (±3 dB)
• Minimum Target Size: 9.5 mm (0.375 in) diameter
• Cable Limit: 3 m (10 ft) from BNC connector
• Weight: 0.43 kg (0.9 lb)

Key Features

• Zero/span adjustments (non-interacting)
• Fast response: <3.6 mA within 100 µs during fault
• Complies with hazardous area certifications
• Operates in -40°C to +85°C environments

For more detailed information:990 Vibration Transmitter Datasheet