990-10-70-03-00 | Two-wire Vibration Transmitter – Bently Nevada

Overview

The Bently Nevada 990-10-70-03-00 vibration transmitter delivers precise monitoring for industrial machinery. Designed to work with non-contacting 3300 NSv Proximity Probes, it ensures reliable vibration measurement. Additionally, it supports 4–20 mA signal output and operates in harsh environments. Moreover, the transmitter features quick response to Not OK conditions, enhancing system safety. Its compact design simplifies installation, making it ideal for Zone 2 or Div 2 hazardous areas.

Technical Specifications

• Brand: Bently Nevada
• Model: 990-10-70-03-00 (Suffix breakdown: 10=0–10 mils pp range; 70=7.0m system length; 03=DIN clips/screws; 00=no agency approval)
• Input: 1×3300 NSv Proximity Probe with extension cable
• Power Supply: +12–35 Vdc
• Output Signal: 4–20 mA (±1.5% accuracy over full scale)
• Loop Resistance: ≤1,000 Ω at 35 Vdc
• Current Limit: 23 mA (typical)
• Probe Gap Range: 0.5–1.75 mm (20–55 mils)
• Frequency Response: 5 Hz–6 kHz (±3 dB)
• Minimum Target Size: 9.5 mm (0.375 in) diameter
• Cable Length: ≤3 m (10 ft) for BNC-connected probes
• Weight: 0.43 kg (0.9 lb)
• Hazardous Area Rating: Suitable for Zone 2/Div 2 (28 V power)

Key Features

• Non-interacting zero/span adjustments
• NOT OK signal defeat: Output drops to <3.6 mA within 100 µs
• IP67-rated housing for dust/water resistance
• Operating Temperature: -40°C to +85°C (-40°F to +185°F)

For more detailed information:990 Vibration Transmitter Datasheet