products

Description
The Bently Nevada™ Electronic Overspeed Detection System for the 3500 Series Machinery Detection System provides a highly reliable, fast response, redundant tachometer system intended specifically for use as part of an overspeed protection system. It is designed to meet the requirements of American
Petroleum Institute (API) Standards 670 and 612 pertaining to overspeed protection.

3500/53 modules can be combined to form a 2-out-of-2 or a 2-out-of-3 (recommended) voting system.
The Overspeed Detection System requires the use of a 3500 rack with redundant power supplies.

Specifications
Inputs
Signal:
Each Overspeed Detection module accepts a single transducer signal from a proximity probe transducer or magnetic pickup. The input signal range is +10.0 V to -24.0 V. The module internally limits signals
that exceed this range.

Input Impedance:
20 k W.
Power Consumption:
8.0 watts, typical.
Transducers:
Bently Nevada 3300 8 mm Proximitor 3300 16 mm HTPS, 7200 5 mm, 8 mm, 11 mm, and 14 mm Proximitor; 3300 RAM Proximitor, or Magnetic pickups.