3500 – Simply The Best
Beginning with the 5000 series in the 1960s, we’ve
introduced seven successive generations of highly
successful monitoring platforms. Today, that experience
is embodied in the most advanced, powerful, and reliable
system we have ever offered: The Bently Nevada 3500
Series Machinery Protection System.

Service
professionals in convenient locations around the world –
knowledgeable people that speak your language.
• Complete pre-wired, pre-tested cabinet packages for
your 3500 racks and associated instrumentation
• Transducer and monitor system installation
• System integration services for connection of
Bently Nevada monitoring systems to third-party
control and automation systems
• Complete project management scope
• Product verification and repair
• Training, including product operation, product
maintenance, and machinery diagnostics

Applications
3500 allows it to be applied to an extremely wide range of rotating and
reciprocating machinery in many industries. Below are just
a few of the more common applications that can be easily
addressed by the 3500 System.
• Steam turbines
• Hydraulic turbines
• Industrial gas turbines
• Aeroderivative gas turbines
• Reciprocating compressors
• Centrifugal compressors
• Axial compressors
• Screw compressors
• Gears
• Turbo-expanders
• Horizontal and vertical centrifugal pumps
• Reciprocating pumps
• Electric motors
• Generators
• Fans
• Blowers
• Agitators
• Mixers
• Centrifuges
• Pulp refiners
• Ball mills
• Crushers/pulverizers
• Extruders
• Pelletizers
• Cooling tower/heat exchanger fans

The 3500 System provides continuous, online monitoring suitable for machinery
protection applications, and is designed to fully meet the requirements of the
American Petroleum Institute’s API 670 standard for such systems. It represents
our most capable and flexible system in a traditional rack-based design, and
represents numerous features and advantages not provided in other systems.
The system’s highly modular design consists of:
• 3500/05 Instrument Rack (required)
• One or two 3500/15 Power Supplies (required)
• 3500/22M Transient Data Interface or 3500/20 Rack Interface Module
(required)
• One or two 3500/25 Keyphasor® Modules (optional)
• 3500 Rack Configuration Software (required)
• One or more 3500/XX Monitor Modules (required)
• One or more 3500/32 Relay Modules or 3500/34 TMR Relay Modules
(optional)
• One or more 3500/92 Communication Gateway Modules (optional)
• 3500/93, 3500/94, or 3500/95 display OR 3500 Operator Display
Software running on a compatible PC (optional)
• Internal or external intrinsic safety barriers, or galvanic isolators for
hazardous area installations (optional)