ReferenceMate portable vibration reference source

ReferenceMate™ REF1500 handheld shaker with 1/4-28 mounting stud, M6 mounting adapter stud, 10-32 mounting adapter stud, REF004 ballast mass (for sensors <75 grams), and canvas sleeve

Designed for field verification of the complete vibration measurement chain, ReferenceMate adds confidence to measurements by providing a constant 1 g acceleration level, peak or RMS, at 159.2 Hz. It supports accelerometers, piezovelocity and displacement sensors, including 4–20 mA models, up to 250 grams.