Description
Bently Nevada 991-25-50-02-01: Axial Vibration Transmitter
Core Features
4-20 mA output for precise axial vibration monitoring. CSA Division 2 certified. Operates in -35°C to +85°C harsh environments. DIN rail mounted for industrial durability.
Technical Specs
- Model: 991-25-50-02-01
- Range: 25-0-25 mils (0.6-0-0.6 mm)
- Power: 12–35V DC (2-wire configuration)
- Accuracy: ±1.5% over full scale
- Cable Length: 5 meters (16.4 ft) included
- Weight: 0.43kg (0.9 lb)
Durability & Compliance
- Survives -51°C storage and 85°C operation
- 1,000Ω max loop resistance (35V DC)
- Bulkhead screw mounting (rigid installation)
Installation Guide
1. Mount on DIN rail using bulkhead screws
2. Connect 12–35V DC power
3. Attach 3300 NSv proximity probe
Real-World Use
Monitors hydroelectric turbine thrust bearings – detects axial displacement to prevent catastrophic failures.
Package Includes
- 991 Series transmitter
- 5m extension cable
- Bulkhead screws
- 12-month warranty
Global Shipping
Via FedEx, UPS, DHL – 90% orders shipped in 24hrs.
FAQ
Q: Response time during faults?
A: Signal drops to <3.6 mA in 100µs; restores in 0.1s after fault clearance.
Q: Compatible probes?
A: Works with Bently Nevada 3300 NSv probes.
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