Bently Nevada 121M6469 Ranger Pro Wireless Condition Monitoring

Overview

The 121M6469 from Bently Nevada enables wireless, continuous vibration and temperature monitoring. It supports predictive maintenance by delivering real-time asset health data. The sensor suits pumps, motors, fans, compressors, and gearboxes in industrial environments.

Technical Specifications

• Sensor Type: Wireless triaxial vibration sensor

• Measurements: Acceleration (X, Y, Z), Velocity (X, Y, Z), Casing Temperature

• Wireless Protocols: ISA100, WirelessHART

• Battery Life: Up to 5 years (varies with sampling rate)

• Size: 88 mm × 40 mm

• Mounting: Direct mount or tethered for high temperature

• Environmental Rating: Intrinsically safe (Class I, Division 1)

• Data: Timebase waveforms, spectra, PeakDemod spectrum

• Software: Integrated with System 1 condition monitoring

Accelerometer

• Axis: 1 or 3 (ISA100), 3 only (WirelessHART)

• Sensing Element: Piezoelectric ceramic

• Amplitude Range: ±20 g peak

• Accuracy: ±5% Z-axis (160 Hz), ±10% X/Y axes (160 Hz)

• Transverse Sensitivity: 7% (typical)

Velocity

• Frequency Range: 5 – 2000 Hz

• Amplitude Range: 0 – 50 mm/s (0–2 in/s)

• Units: in/s or mm/s, peak or RMS

• Minimum Frequency: 5 or 10 Hz