Bently Nevada 121M6470 Ranger Pro Wireless Condition Monitoring

The Bently Nevada 121M6470 is a wireless triaxial vibration sensor from the Ranger Pro series, designed to enable continuous, remote monitoring of rotating machinery. This sensor delivers high-resolution vibration and temperature data, supporting predictive maintenance without the need for wired infrastructure, making installation both flexible and straightforward.

• It is ideal for monitoring various rotating assets such as motors, pumps, compressors, gearboxes, and fans.

• Fully integrates with System 1 software for advanced analysis.

Technical Specifications:

• Model Number: 121M6470

• Sensor Type: Wireless Triaxial Vibration Sensor

• Measurements:

• Velocity and acceleration (X, Y, Z axes)

• Casing temperature

Wireless Protocols:

• ISA100

• WirelessHART

• Battery Life: Up to 5 years (depending on configuration and sampling rate)

• Mounting Options:

• Direct mount

• Tethered (for high-temperature zones)

• Size: Approx. 88 mm × 40 mm

• Weight: 230 g

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

• Data Types:

• Timebase waveforms

• FFT spectra

• PeakDemod spectrum

Velocity Spectra:

• Axes: X, Y, Z

• Frequency Range (Fmin to Fmax): 5 to 2000 Hz

• Number of Lines: 400, 800, 1600, 3200

• Units: in/s or mm/s (rms)

Temperature Sensor:

• Range: −40°C to +120°C (−40°F to 248°F)

• Resolution: 0.1°C

• Accuracy: ±1°C (typical), ±3°C (maximum)

Output Data Interfaces:

• Modbus (via device gateway)

• Generic Client Interface (GCI) for ISA100 devices

• HART IP for WirelessHART

• Measurement Intervals:

• 10 min, 20 min, 30 min, 1 h, 2 h, 3 h, 4 h, 6 h

Wireless Network:

• Standards: ISA100.11a, WirelessHART

• Topology:

• Star (ISA100)

• Mesh (ISA100 or WirelessHART)

• Radio Standard: IEEE 802.15.4

• Frequency: 2.45 GHz ISM band

• Provisioning and Updates: Over-the-air or USB docking station

• Security: 128-bit AES encrypted packets

• Output Power: Typical 5.13 dBm

• Max RF Output Power: 4 mW/MHz

• Operating Temperature: −40°C to +85°C (−40°F to +185°F)

• Vibration Limit: 20 g peak

• Chemical Resistance: Stainless steel, high-temperature solvent- and UV-resistant PPS plastic

• Shock Resistance: 0.5-meter drop onto concrete

• Max Altitude: 3,000 meters (9,842 feet) outdoors