Certificate of RegistrationThis certifies that the Quality Management System of

Netech Corporation110 Toledo Street

Farmingdale, New York, 11735, United States

has been assessed by NSF-ISR and found to be in conformance to the following standard(s):

ISO 9001:2015

Scope of Registration:Design and Manufacture of Precision Measurement and Calibration Instruments

Carl Blazik,Director, Technical Operations & Business Units,NSF-ISR, Ltd.

Certificate Number: C0098684-IS5Certificate Issue Date: 30-MAR-2017Registration Date: 29-MAR-2017Expiration Date *: 28-MAR-2020