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High voltage spikes can damage your accelerometer.

Wilcoxon Research isolators pads from Meggitt Sensing Systems serve as a mounting base for most standard industrial accelerometers and electrically isolate the sensor from the case of the machine. The high voltage potential is not transmitted to the accelerometer, providing another level of protection against:

• Static electricity build-up and ESD shocks
• Poor ground bonding
• Poor earth ground coupling
• Ground loops
• Different ground potential

SF21: Isolator base, 1 inch (25 mm) across the flats, 1/4-28 to 1/4-28, integral stud

SF22: Isolator base, 1 inch (25 mm) across the flats, 1/4-28 to M8, integral stud

SF23: Isolator base, 1-1/8 inch (29 mm) across the flats, 1/4-28 to 1/4-28, integral stud

SF24: Isolator base, 1-1/8 inch (29 mm) across the flats, 1/4-28 to M8, integral stud

The SF21 and SF22 have a 0.82 inch (20mm) mounting pad that can accommodate up to medium diameter Wilcoxon Research sensors that range in size from the 780A to the 786A, and small diameter side-exit accelerometers such as the 775A.

The SF23 and SF24 have a 0.94 inch (24 mm) mounting pad that can accommodate large diameter Wilcoxon Research top-exit sensors that range in size from the 793 to the PC420 series of 4-20 mA vibration sensors.