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All Hetaida infrared thermometers have won the National Certification of Measuring Apparatus (CPA).

The CPA mark is a special mark for the type approval certificate of measuring instruments. Imported measuring instruments need to be approved by a technical institution authorized by the administrative department of measurement under the State Council, and the result of the appraisal shall be reported to the administrative department of measurement under the State Council for review by the technical institution undertaking the authentication. Upon examination, the metrological administrative department of the State Council shall issue the "Certificate of Type Approval for Imported Measuring Instruments of the People’s Republic of China" to the applicant, and allow the use of the CPA special mark and type approval of the imported measuring instruments of the People’s Republic of China on corresponding measuring instruments and packaging Numbering. The type approval of domestic measuring instruments refers to the recognition of whether the type of new measuring instruments meets the legal requirements. The type approval certificate issued by the metrological administrative department of the State Council can be used as a national general type and approved in the corresponding measuring instruments. And use the CPA special mark and number for the type approval of measuring instruments on the packaging.