Description
Bently Nevada’s 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 Standards 670 and 612 pertaining to overspeed protection. 3500/53 modules can be combined to form a 2-out-of-2 or 2-out-of-3 (recommended) voting system. The use of redundant power supplies in a 3500 rack containing the Overspeed Detection System is required. The 3500 Overspeed Protection Module will support from 1 to 255 events per revolution with a maximum full-scale range of 99,999 rpm and a maximum input frequency of 20 kHz. Minimum input frequency for proximity transducers is 0.0167 Hz (1 rpm for 1 event/revolution) and for passive magnetic pickups is 3.3 Hz. Use for any input above 0.0167 Hz (1 rpm for 1 event/revolution). Minimum signal amplitude for triggering is 1 volt peak-to-peak. Under and Over Alert levels (setpoints) can be set for speed. In addition, a Danger (Overspeed) setpoint can be set for speed. All alarm setpoints are set using software configuration. Alarms are adjustable and can normally be set from 0 to 100% of full-scale of speed full-scale range. 1) Main Module, front view. 2) Status LEDs,. 3) Buffered transducer output. Provides an unfiltered output for the transducer. The output is short-circuit protected. 4) I/O Module, rear view.
BENTLY3300XLNSv eddy current sensor system
BENTLV330OXLNSv, an eddy current sensor system in the United States, has a 5mm end diameter and a shorter linear range of 60mis (1.5mm), which is applicable to small area of the measured target surface, reduced side view or counterbore clearance, and other restrictions on the use of our standard 5mm/8mm eddy current sensor.
BENTLY330016mm high temperature eddy current sensor system
The BENTLV330016mm eddy current sensor system of the United States is used in a high temperature environment of 350 ° C (662 “F), such as some gas and steam turbine applications where the temperature exceeds what our standard eddy current probes and cables can withstand. The probe end diameter of the high temperature sensor system is 16mm, providing a linear range of 160mils (4mm).
BENTLY330OREBAM sensor system
BENTLV330OREBAM, a high gain eddy current sensor system, is used to measure the micro inch deformation of outer ring of rolling bearing. Compared with the seismic sensor installed on the shell, such as accelerometer, it provides more direct bearing state measurement, and has higher sensitivity and signal to noise ratio. The system has two linear ranges: 16mils (400um) and 40V/mm output, or 8mils (200um) and 20V/mm output.
Main brands include: ABB, Bailey, GE, FOXBORO, Invensys TRICONEX, Bentley BENTLY, A-B Rockwell, EMERSON EMERSON, B&R, MOTOROLA, FUANC, REXROTH, KUKA, HONEYWELL, NI, DEIF, Yokogawa, WOODWARD WOODWARD, Ryan, SCHNEIDER SCHNEIDER, Yaskawa, MOOG, EPRO, PROSOFT and other major brands
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