The Extech VB400 Pen Vibration Meter has an acceleration range of (RMS): 656ft/s2; 20.39g; 200m/s2, Velocity (RMS): 7.87in/s; 2.00cm/s; 200mm/s, and wide frequency range of 10Hz to 1kHz.
The Dimensions are:
Meter: 6.9 x 1.6 x 1.3″ (175 x 40 x 32mm)
Sensing Head: 0.4″ dia x 1.9″ (9mm dia x 30mm)
Weight: 0.53lbs (240g)
Applications:
Motors, bearings
Fans
Pumps
Rotating machinery
Plant maintenance