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Precision Pressure Gauges and Portable Calibrators
Please note that WALLACE & TIERNAN is now a trademark of Evoqua Water Technologies LLC, and the products offered here are no longer manufactured under the WALLACE & TIERNAN name.
The manufacturing of the precision pressure gauges and calibrators previously made under the Wallace & Tiernan is now being done in the U.S. by WIKA Instrument Corporation. They are certified to NIST Standards before shipment. The Certificate of Calibration is included at no additional cost