Extech Instruments VB400 Pen Vibration Meter

Amazon

Measures RMS Acceleration and Velocity with metric and imperial units of measure Acceleration (RMS): 656ft/s2; 20.39g; 200m/s2 Velocity (RMS): 7.87in/s; 2.00cm/s; 200mm/s Wide frequency range of 10Hz to 1kHz Water and dust resistant to IP65, Weight: 0.551155655 pounds, Manufacturer: FLIR Systems

Test-meter.co.uk

Compact pen vibration meter for industrial testing. Measures velocity (cm/s, in/s, mm/s) and acceleration. 10 Hz-1 kHz range, ±5% accuracy. IP65, LCD display. Ideal for motors, bearings, pumps.