IRD306 Analog Vibration Meter measures Vibration Amplitude in Velocity mm/s pk and Displacement microns pk-pk. If your IRD306 Analog Vibration Meter needs Repair and/or Calibration - then you can reach out to us on phone at +91-2248972000 (Monday to Saturday 9AM to 6 PM IST) or drop us an email on service@irdmech.com - Our team will then get back to you to help setup logistics and schedule the Repair and/or Calibration work for your meter.