(20 min.) Accurate Validation of Critical Alarms – Testing Switches & Seismoprobes via Shaker Table

Marco Peres, Product Manager, The Modal Shop, Inc. Stu Alqaissia, Application Engineer, The Modal Shop, Inc.


A shaker table is used to test and validate the proper operation of vibration switches and moving coil velocity transducers over a wide frequency and amplitude operating range. The method is used to test a broad variety of vibration monitoring heavy devices that are either too large or too heavy for testing using a traditional portable calibrators or hand held 1g shaker devices. Electronic vibration switches and seismoprobes are widely used to accurately monitor vibration levels and protect critical assets such as motors, pumps, and fans employed in industrial environments.

1. How to test vibration monitoring sensors
2.  How to validate the machines assets are being protected by such devices
3. How to check alarms, avoid false alarms and properly set up thresholds.

Bio - Marco Pres

Mr. Marco Peres is Product Manager at The Modal Shop and holds a Master’s Degree in Industrial Engineering from Purdue University (Indiana, USA) and a Bachelor Degree in Mechanical Engineering from the University of Sao Paulo (Sao Paulo, Brazil). Mr. Peres has more than 20 years of experience in sound and vibration applications servicing customers from aerospace, automotive, and consumer products markets, as well as universities, metrology labs, and research institutes.

Bio - Stu Alqaissia

4+ years experience as Systems & Instrumentation Field Engineer. Installed & Configured Bently Nevada Hardware and Software required for protecting and managing a wide variety of machine types encountered in the Oil & Gas, Power Generation, Petrochemicals, Pulp and Paper, and other process industries in the Middle East and North Africa region (MENAT). Masters of Engineering, Electrical Engineering – University of Cincinnati.