Product Description

Overview

The Bently Nevada 70M303 is a high-performance wireless sensor designed for continuous condition monitoring of rotating machinery. Part of the Ranger Pro series, it integrates tri-axial vibration measurement with surface temperature detection in a compact, rugged housing. Its support for the ISA100.11a wireless protocol enables secure, reliable data transmission in challenging industrial environments, including hazardous and hard-to-access locations.

Key Features

Integrated Sensing: Combines X, Y, and Z-axis accelerometers with a digital temperature sensor to provide comprehensive machine diagnostics.
Wireless Communication: Operates on ISA100.11a (2.4 GHz), featuring 128-bit AES encryption and the ability to act as a network router to extend coverage.
Rugged Construction: 316L stainless steel body with high-strength PPS top; IP67-rated for dust and water ingress; certified for hazardous environments.
Long-Life Power: Replaceable lithium-thionyl chloride battery provides up to 5 years of operation depending on measurement intervals.
Flexible Deployment: Ideal for motors, pumps, fans, and remote balance-of-plant equipment where wiring is impractical.

Technical Specifications

Applications

The 70M303 excels in monitoring rotating machinery where cabling is limited or hazardous areas restrict access. Typical applications include cooling tower fans, remote pumps, industrial compressors, and motors in extreme environments.

FAQ

Q: Can this sensor operate in explosive atmospheres?
A: Yes, the sensor is CSA Class I Div 1 certified and rated for hazardous locations.

Q: How often can data be sampled?
A: Sampling intervals are configurable from 10 minutes to 6 hours, balancing resolution and battery life.

Q: Can it integrate with existing monitoring systems?
A: Yes, it works with Bently Nevada System 1 and supports Modbus communication through the gateway.

Q: What is the wireless range?
A: Up to 150 meters line-of-sight, extendable through network routing.