Digital Vibration Meter Kit Acceleration Range 2 to 656 ft/sq sec or 0.5 to 200 m/sq sec Frequency Range (Hz) 10 To 1 K Temp Range (F) 32 Degrees to 122 Degrees Temp Range (C) 0 Degrees to 50 Degrees Velocity 0.02 to 7.87 in/sec or 0.5 to 200 mm/sec +/-5 Percent Accuracy Yes Data Hold Display LCD Interface Built-in RS-232 Auto Power Off Yes