Bently Nevada 70M303 Triaxial Wireless Accelerometer

Overview

The Bently Nevada 70M303 is a triaxial wireless accelerometer combined with an integrated temperature sensor. It fits into the Ranger Pro Wireless Condition Monitoring system, enabling remote, continuous monitoring of vibration and temperature on rotating machinery. This capability helps detect faults early, thus reducing unplanned downtime. Its rugged design supports installation in hazardous areas, making it ideal for industrial environments.

Technical Specifications

• Sensor Type: Triaxial wireless accelerometer with integral temperature sensor

• Frequency Range: 0.1 Hz to 20 kHz

• Acceleration Range: ±1g to ±20g

• Temperature Range: −40 °C to +125 °C (operating)

• Wireless Range: Up to 150 meters (line of sight)

• Data Logging Capacity: Up to 10,000 data points per sensor

• Data Transfer Rate: Up to 100 kbps

• Power Consumption: 30 μA to 30 mA, depending on operation

• Mounting: Direct mount with M6 x 1mm internal thread, 5mm depth

• Shock Resistance: Survives 0.5-meter drop onto concrete

• Vibration Limit: 20 g peak

• Operating Altitude: Up to 3,000 meters (9,842 feet) outdoors

• Case Material: 316 stainless steel body and glass-reinforced, impact-resistant PPS top

• Weight: 230 g without battery, 300 g with battery

• Dimensions: Height 88 mm; Diameter 40 mm

• Ingress Protection: IP67 (dust and water resistant)

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

• Certifications: CSA Class I, Division 1 for explosive environments

• Software Integration: Compatible with Bently Nevada System 1 software