Bently Nevada – 990 Vibration Transmitter 4-20mA 990-08-70-03-00

Description

Bently Nevada 990 Vibration Transmitter – Precision Monitoring for Industrial Applications

Description

The Bently Nevada 990-08-70-03-00 vibration transmitter delivers high-accuracy vibration monitoring for rotating machinery. Designed for reliability, it accepts 1 non-contacting 3300 NSv Proximity Probe, ensuring precise measurement of shaft vibration. Ideal for turbines, compressors, and motors, this transmitter features 4-20 mA output and robust construction for harsh environments.

Technical Data

• Brand: Bently Nevada
• Model: 990-08-70-03-00 (Full suffix: 08=0-8 mils, 70=7m cable, 03=DIN clips, 00=No agency approval)
• Range: 0-200 µm pp | Accuracy: ±1.5% FS
• Output: 4-20 mA (2-wire) | Power: +12 to +35 Vdc
• Frequency Response: 5 Hz – 6 kHz | Probe Gap: 0.5-1.75 mm
• Weight: 0.43 kg | Operating Temp: -40°C to +85°C

Installation Guide

• Mount using DIN clips/screws (Option 03).
• Ensure probe-to-target gap is 20-55 mils.
• Max loop resistance: 1,000 Ω at 35 Vdc.

Compatibility

• Works with 3300 NSv Proximity Probes.
• Max extension cable: 3 meters (10 ft).

Certifications

• Non-Hazardous, Zone 2/Div 2 approved.

Package Includes

• 990-08-70-03-00 Transmitter
• Mounting hardware
• COO (optional)

Warranty & Shipping

• 12-month warranty against defects.
• Shipped via FedEx, UPS, DHL (1-3 business days).

Real-World Applications

• Gas turbine vibration monitoring
• Pump health assessment in oil refineries

FAQ

• Q: Minimum target size?
  A: 9.5 mm diameter.
• Q: Signal during faults?
  A: Drops to <3.6 mA within 100 µs.