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Measurement Guard banding will be reported when the Test Uncertainty Ratio (TUR) is below a specified trigger level.  Guard banding tightens the acceptance limits by subtracting a percentage (Z Factor) of the EMU from the tolerance limits. The values of 4:1 TUR and 30% Z-Factor are considered default. 

:1
%

Billing Contact Information

If paying by ACH, please send your ACH registration form to Kristina.Murphy@callabco.com.  Cal Lab cannot process orders without confirming the form has been received by your Accounts Payable Department. 

Tax Exemption (Wisconsin Businesses Only)

Please send Tax Exempt certificate to Kristina.Murphy@callabco.com

Additional Contacts

Equipment Return Information

Onsite Calibration Service Information