990-05-50-02-05 | Two-wire Vibration Transmitter Bently Nevada

Overview

The Bently Nevada 990-05-50-02-05 monitors machinery vibration with high precision. It works with 3300 NSv Proximity Probes to send 4-20 mA signals. Built for extreme safety, it meets ATEX Zone 0/2, CSA Div 2, and ABS maritime standards. Easy to install with bulkhead screws. Compact design for tight spaces.

Technical Specs

• Brand: Bently Nevada
• Model: 990-05-50-02-05
• Model Code Details:
  • 05: 0-5 mils (0-125 µm) measurement range
  • 50: 5.0 m (16.4 ft) system cable
  • 02: Bulkhead screw mounting
  • 05: ATEX Zone 0/2, CSA Div 2, ABS certified
• Power: 12-35 Vdc input
• Signal Output: 4-20 mA (2-wire)
• Accuracy: ±1.5% total error
• Probe Gap: 0.5-1.75 mm (20-55 mils)
• Max Resistance: 1,000 Ω at 35V
• Current Limit: 23 mA
• Response Time: <3.6 mA in 100 µs during faults
• Frequency Range: 5 Hz-6,000 Hz
• Min Target: 9.5 mm diameter
• Weight: 0.43 kg (0.9 lbs)

Key Features

• Approved for explosive zones (ATEX Zone 0)
• Maritime-certified (ABS)
• Fast fault response: 100 µs
• Works in -40°C to +85°C
• Non-interacting zero/span adjustments

For more detailed information:990 Vibration Transmitter Datasheet