Vibration meters
Extech offers everything from compact memory stick-sized loggers to pen vibration meters, heavy-duty vibration meters, and 1- and 4-channel dataloggers for vibration measurement.
http://www.extech.com/categories/vibration-meters
Models
Extech 407860
Heavy Duty Vibration Meter
Measure Acceleration, Velocity, and Displacement plus built-in PC interface
Extech 461880
Vibration Meter + Laser/Contact Tachometer
Measures Acceleration, Velocity and Displacement plus RPM and Linear Surface Speed
Extech SDL800
Vibration Meter/Datalogger
Records data on an SD card in Excel® format
Extech VB300
3-Axis G-Force USB Datalogger
Records and times 3-axis shock and peaks
Extech VB400
Pen Vibration Meter
Measures RMS Acceleration and Velocity
Extech VB450
Vibration Meter
Wide Frequency Vibration Meter with Displacement, Velocity and Acceleration Measurements
Extech VB500
4-Channel Vibration Meter/Datalogger
Datalogs and stores readings on an SD card in Excel®