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Calibration Services

Our calibrations of pressure gauges and transducers range form high vacuum (10-7 Pa or 10-9 torr) to high pressure (280 MPa or 40,000 psi). Our gas flow calibrations range from the low end of vacuum leaks (10-13 mol/s) to flow rates typical of thermal mass flow controllers (10-3 mol/s). For larger flows, contact the fluid Metrology Group, which calibrates flow meters form 0.01 mol/s to 6x107 mol/s.

Range of Pressure and Vacuum Standards

Our facilities include multiple standards that allow us to cover these broad spans of pressure and flow. In addition to our usual calibrations, we can perform "Special Tests", in which the measurements are tailored to the customer’s particular needs.


How to Arrange a Calibration

1) Contact the staff member in charge of the calibration service for your instrument (Email: Vacuum, Manometry, Flow, Leaks, Piston Gauges).  Please include service ID for the calibration (See the Calibration Service website: Vacuum, Manometry, Flow/Leaks, Piston Gauges).

Note: Most calibrations are conducted in batches.  The contact will tell you the next available calibration date.

2) Next, send a purchase order to the contact by email, fax, or mail. Please include:
 • Service ID for the calibration
 • Model and serial number of your instrument
 • Customer contact name, address, phone, and email
 • Return shipping method (e.g. FedEx account number)
3) Ship your instrument so that it arrives by the scheduled date. Use a sturdy box in which we can return the calibrated instrument. 

 

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Contact
Martin Wilson, Calibration Administrator
301-975-2356 Telephone
301-975-2950 Facsimile

100 Bureau Drive, M/S 8441
Gaithersburg, MD 20899-8441

Main Technical Contact:
Doug Olson, Group Leader
301-975-2956 Telephone
301-975-5968 Facsimile

100 Bureau Drive, M/S 8364
Gaithersburg, MD 20899-8364