Two-wire Vibration Transmitter – Bently Nevada 990-04-70-03-05

Overview

The BentlyNevada 990-04-70-03-05 vibration transmitter tracks machine health in high-risk areas like oil rigs or chemical plants. It pairs with 3300 NSv probes for precise measurements. Certified for ATEX Zones 0/2 and marine use, it ensures safety in explosive environments.

Technical Specifications

• Brand: BentlyNevada
• Model: 990-04-70-03-05
  (Codes: 04=0-4 mils range, 70=7m cable, 03=DIN clips/screws, 05=safety approvals)
• Input: 1×3300 NSv probe with extension cable
• Power: 12-35V DC (±0.5V)
• Output: 4-20mA linear signal
• Accuracy: ±1.5% at 250Ω load
• Fault Response: <3.6mA in 100μs
• Recovery Time: 2-3 seconds
• Frequency Range: 5Hz-6kHz (±3dB)
• Probe Gap: 0.5-1.75mm (20-55 mils)
• Min Target Size: 9.5mm diameter
• Max Cable: 3m (BNC connector)
• Loop Resistance: ≤1,000Ω @35V
• Weight: 0.43kg (0.9lb)

Key Benefits

• DIN rail mounting for easy installation
• Works in -40°C to +85°C
• Marine-approved (ABS)
• Zero/Span adjustments without tools
• 23mA current limit protects wiring

For more detailed information:990 Vibration Transmitter Datasheet