990-10-70-02-CN | Two-wire Vibration Transmitter – Bently Nevada

Overview

The Bently Nevada 990-10-70-02-CN vibration transmitter provides industrial-grade machinery monitoring. Designed for hazardous areas, it combines precise measurement with rugged bulkhead screw mounting. Made in the USA, it includes country-specific certifications (CN) for compliance.

Technical Specifications

• Brand: Bently Nevada
• Model: 990-10-70-02-CN
• Model Suffix Breakdown:
  • 10: 0-10 mils peak-to-peak (0-250 µm pp) full-scale range
  • 70: 7.0 meters (23.0 feet) system cable length
  • 02: Bulkhead screw mounting
  • CN: Country-specific agency approvals
• Input: 1×3300 NSv Proximity Probe + extension cable (max 3m/10ft)
• Power: +12 to +35 Vdc (±5% tolerance)
• Output Signal: 4-20 mA linear output (2-wire)
• Accuracy: ±1.5% of full scale (measured at 250Ω loop)
• Probe Gap Range: 0.5-1.75 mm (20-55 mils)
• Current Limit: 23 mA (±0.5 mA)
• Loop Resistance: ≤1,000Ω at 35 Vdc
• Response Time: Fault detection <100 µs | Recovery 2-3 sec
• Frequency Range: 5 Hz to 6,000 Hz (±3 dB)
• Min Target Size: 9.5 mm (0.375″) diameter
• Weight: 0.43 kg (0.9 lb)
• Hazardous Area Rating: Zone 2/Div 2 (28 Vdc max)
• Operating Temp: -40°C to +85°C (-40°F to +185°F)

Certifications & Features

• ⚡ Certificate of Origin (COO) available
• ⚡ External zero/span adjustments
• ⚡ IP65-rated housing for dust/moisture resistance
• ⚡ Automatically cuts output to <3.6 mA during faults

For more detailed information:990 Vibration Transmitter Datasheet