Verification is carried out in accordance with interstate, national standards and methods of verification, approved and included in the register of the Kazakhstan Institute of Metrology (State Scientific Metrological Center, SSMC).

Verification is carried out by qualified specialists, certified and registered as a verification officers in the SSMC of RoK. The personnel of the VL ERSAI LLP have the following qualifications:
- Verification officer of measuring instruments of pressure,vacuum, flow and quantity of liquids and gases;
- Verification officer of measuring instruments of electrical quantities.

Certificate of Accreditation by National Centre of Accreditation according to ISO/IEC 17025

NATIONAL CENTER OF ACCREDITATION

Pressure measurement

• Measuring transducers overpressure and pressure drop with a unified current signal
• Pressure measuring transducers
• Pressure Sensors
• Differential Pressure Transmitters
• Manometers
• Measuring pressure recorders
• Gas pressure meters
• Manometers thermometers deep
• Pressure measurement channels of the software and hardware complex

Thermal and temperature measurements

• Electronic, agricultural, meteorological, laboratory thermometers
• Bimetal thermometers
• Temperature sensors
• Temperature transducers with unified current output

Measurement of electrical quantities

• DC Ammeters
• Varmeters, wattmeters
• Optoelectronic ammeters and voltmeters
• Voltamper phase meters
• Electrical Measuring Pliers
• Single-phase / three-phase electric energy meters