The VMM vibration multifunction meter from Datastick Systems Inc., San Jose, CA, is available in regular or rugged form factors, with either a Palm TX (VMM-1100 Series) or MEZ-1500 Meazura (VMM-3100 Series) handheld computer. The meter lets you monitor vibration and upgrade later to the company's VSA vibration spectrum analyzer by installing the appropriate software. The most basic VMM-1100 series includes a Palm TX handheld computer, has a frequency range of 5 Hz min. to 10 kHz max., and displays acceleration and Peaking value for early detection of bearing faults. Other models add overall velocity with built-in ISO alerts; displacement, voltage, and current sensor support; frequency range down to 0.016 Hz and up to 20 kHz.
Datastick Systems Inc.