Two-wire Vibration Transmitter | 990-08-50-02-01 Bently Nevada

Overview

The Bently Nevada 990-08-50-02-01 vibration transmitter monitors machinery health in hazardous areas. It pairs with 3300 NSv Proximity Probes for accurate 4-20 mA signals. CSA Division 2 certified for safety. Bulkhead screw mounting ensures secure installation. Built for industrial durability and precision.

Technical Specifications

• Brand: Bently Nevada
• Model: 990-08-50-02-01
• Suffix Breakdown:
  • 08: 0-8 mils pp (0-200 µm pp) full-scale range
  • 50: 5.0 m (16.4 ft) system cable length
  • 02: Mounting: Bulkhead screws
  • 01: Certification: CSA Division 2
• Input Voltage: +12 to +35 Vdc (±0.5% stability)
• Output Signal: 4-20 mA (2-wire, ±0.8% linearity)
• Probe Gap: 0.5-1.75 mm (20-55 mils) ±0.05 mm
• Loop Resistance: 1,000 Ω max (35 Vdc, 24 AWG cable)
• Current Limit: 23 mA (±1 mA)
• Frequency Response: 5 Hz-6,000 Hz (±3 dB at 25°C)
• Recovery Time: 2.5 sec (after fault clearance)
• Insulation Resistance: >100 MΩ at 500 Vdc
• Vibration Resistance: 15g RMS (10-2000 Hz)
• Min Target Size: 9.5 mm (0.375 in) diameter
• Weight: 0.43 kg (±10 g)

Key Features

• CSA Division 2 compliance for hazardous zones
• Bulkhead screw mounting for rugged environments
• 15g vibration resistance and 500 Vdc insulation
• Ultra-fast fault response (<3.6 mA in 100 µs)
• Works in -40°C to +85°C extremes

For more detailed information:990 Vibration Transmitter Datasheet