Bently Nevada – 991-25-50-03-00 | Vibration Transmitter

Bently Nevada 991-25-50-03-00 Vibration Guard

Catch machine shakes early – 4-20mA sensor checks shaft movement in turbines, fans. Made for tough factories.

Key Numbers

25 mils max measurement
±1.5% accuracy
16.4ft cable length
Works at -31°F to 185°F
Weighs 0.9lbs

How It Works

✔ 2-wire setup (12-35V power)
✔ Fits DIN rails with clips/screws
✔ 100μs fault alerts
✔ 1000Ω max wire resistance
✔ Works with 3300 NSv probes

Real Plant Story

Oil refinery compressor:
Found 24 mils vibration → Fixed before seal damage
Ran 11 months non-stop

Box Contents

• Sensor unit
• DIN rail hardware
• Setup card
1-year breakage coverage

Quick Specs

Waterproof rating: IP67
Calibration: Simple knob adjusts
Probe type: Non-contact 3300 NSv
Response time: 0.1s recovery

Download PDF file here:991 Thrust Transmitter Datasheet – 141618