Bently Nevada 3500/42-06-RU Proximitor Seismic Monitor

Advanced Vibration and Position Monitoring for Enhanced Machine Protection

The Bently Nevada 3500/42-06-RU Proximitor Seismic Monitor provides reliable protection for machinery by continuously comparing monitored parameters against user-defined alarm setpoints. It effectively alerts both operations and maintenance teams when an abnormal condition is detected, ensuring timely interventions. This four-channel monitor accepts input from proximity, velocity, and seismic transducers, offering versatile signal conditioning for vibration and position measurements.

The 3500/42-06-RU integrates with the 3500 Rack Configuration Software, allowing users to easily program each channel for monitoring various machine health parameters. It delivers accurate data and detailed reports on radial vibration, acceleration, shaft position, and other key machine conditions. Additionally, it can measure critical factors like differential expansion and thrust position, making it an essential tool for maintaining high-performing, reliable machinery.

Key Features

Continuous Machine Protection: Compares monitored signals with programmable alarm setpoints to trigger alarms when necessary.
Comprehensive Data Communication: Provides essential machine information to both operations and maintenance teams for quick action.
Versatile Input Options: Accepts input from 1 to 4 proximity, velocity, or acceleration transducers.
Advanced Signal Conditioning: Processes signals for accurate vibration and position measurements.

Technical Specifications

Feature	Specification
Power Consumption	7.7 watts (typical)
Input Impedance	10 kΩ (Proximitor and acceleration inputs)
Output Impedance	550 Ω
Transducer Power Supply	-24 Vdc
Recorder Output	+4 to +20 mA (proportional to full-scale monitor value)
Voltage Compliance	0 to +12 Vdc (range across load), Load resistance: 0 to 600 Ω
Radial Vibration Frequency Response	Direct filter: User-programmable, Single-pole-3dB at 4 Hz to 4000 Hz or 1 Hz to 600 Hz (±1% accuracy)
Gap Filter	Not 1X filter, Smax-3 dB at 0.09 Hz, 60 cpm to 15.8 times running speed
Constant Q Notch Filter	Minimum rejection in stopband: -34.9 dB (0.125 to 15.8 times running speed)
1X and 2X Vector Filter	Constant Q filter with minimum rejection of -57.7 dB in stopband

Physical Dimensions and Weight

Dimension	Specification
Size	120.7 mm x 50.8 mm x 251.5 mm (4.75 in x 2.0 in x 9.9 in)
Weight	Approx. 1.2 kg (2.65 lbs)

Applications

The Bently Nevada 3500/42-06-RU Proximitor Seismic Monitor is crucial in industries where machinery reliability is paramount. It is especially useful in power generation, oil & gas, and manufacturing plants. By monitoring critical parameters like vibration, thrust position, and radial expansion, the 3500/42-06-RU ensures that machinery operates at optimal levels and prevents catastrophic failures.