ONICON sales engineers are available to provide technical assistance before, during and after the sale at (727) 447-6140. Office hours are from 8:00 AM to 5:00 PM Eastern Standard Time, Monday through Friday. You may also email us at sales@onicon.com. For your convenience, you can request service of your ONICON product online by filling out our online service request form. For all products, ONICON also offers: Cleaning Calibration Repair Replacement parts Warranties Ask for details when you call or email!