991-25-70-02-CN | Bently Nevada 991 Thrust Transmitter

Bently Nevada 991-25-70-02-CN – High-Precision Axial Vibration Transmitter

Core Specifications

• 📶 Output: 4-20mA (2-wire) | Accuracy: ±1.5% FS
• ⚡ Power: +12 to +35VDC | Range: 25-0-25 mils (0.6-0-0.6mm)
• 🌡️ Temp Range: -31°F to +185°F (-35°C to +85°C)

Part Number Breakdown

991-25-70-02-CN
├─ 25 = 25 mils full scale
├─ 70 = 7.0m (23ft) system length
├─ 02 = Bulkhead screw mount
└─ CN = Country-specific approvals

Industrial Applications

• ⚡ Power Plants: Steam turbine axial displacement monitoring
• 🛢️ Oil & Gas: Pipeline compressor thrust measurement
• 🏭 Manufacturing: Gearbox axial vibration detection

Key Features

• 🔧 Quick Response: <100µs Not-OK signal cutoff
• 🔌 Simple Installation: DIN rail mounting
• ⚖️ Compact Design: 0.9 lbs (0.43kg) weight

Installation Notes

• ⚠️ Requires:
  • 3300 NSv proximity probe
  • Max 1000Ω loop resistance
• 🔧 Safety: Automatic <3.6mA fault output