The Pattern Approval Certificate (Metrology Certificate or PAC) required for all devices that operate in the field of State Metrological Control. Health care; Veterinary; Environmental protection; Emergency security; Labour protection; Safety in the hazardous production facility; Trade transactions and goods packaging; State accounting; Postal and telecommunication services; State security and defence; Geodetic and cartographic activities; Hydrometeorology; Banking, tax and customs operations; Official sports activities; Courts, prosecution bodies, state executive bodies; Implementation of measures of state control (supervision). An overview of the main requirements for measuring devices in terms of their safety, accuracy, procedure and lead timing.
Flow Meters, rotameters, temperature sensors, accelerometers, gas analyzers, dynamometers, manometers, load cells, telemetry devices, spectrometers, speedometers etc.
Measuring devices that are going to be supplied to CIS (Russia, Belarus, Kazakstan, Uzbekistan, Armenia, Ukraine etc.) countries need to obtain metrological approval in each designated country. The metrology certification system is not harmonized, so each country has its own form of Type approval certificate and process features. Nevertheless, each system is aimed at confirming the applied range of measurements and accuracy.
The Pattern Approval Certificate (Metrology Certificate or PAC) required for all devices that operate in the field of State Metrological Control.
For instance, we can look over a colourimeter for cars that is functioning as an auxiliary device in the automotive industry – it measures the initial colour to be repeated. This product can be assigned under one of the above-mentioned group because it does not influence important financial, safety, medical features etc.
In practice, we face up with a wide range of measuring devices that require the Type approval certificate such as a manometer, accelerometers, level transducers, transformations, temperature transducers. thermocouples, rotameters etc.
You need to hold tests in the accredited certification authority located in the designated country or welcome the expert from the certification body to your production laboratory for tests that will confirm all applied metrological characteristics according to the Test Methodology based on the country's standards for a certain type of a measuring device.
Each certified product needs to pass Primary Verification. That means the Verification of each item in a certain batch of that has already had valid Pattern Approval Certificate.
PAC is not considered as an obligatory document to provide while customs clearance. So, you can start entering the market with TR CU Certificates. But measuring devices can eventually be legally applied by the client only in case they have PAC.
This approval document can be issued for a maximum of 5 years validity. This term can be prolonged for the next 5 years. This is the unique feature compared with TR CU (EAC), Telecom or other approval forms which don't assume the prolongation.
The minimum scope of required information is the following:
1.The whole number of measured characteristics and the scale of the measurements – the range;
2.The applied accuracy;
3.Main technical information which includes also the operating conditions (ambient temperature, application - explosive environments or safety environments etc.).
This information gives us the opportunity to make the assessment of required documents, costs and the process flow and determine whether we can make all necessary tests in the country of designation or the audit is required.
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