Certified Reference Materials

Instrument calibration is one of the primary processes used to maintain instrument accuracy. Some sample instruments/devices of GVM's calibration capabilities are indicated below:

Chlorine Meter

Water Activity Meter

Turbidity Meter

Dissolved Solid (TDS Meter, DS Meter)

Dissolved Oxygen (DO) Meter / Analyzer

Conductivity (Resistivity Meter)

Conductivity Analyzer / Meter

pH Meter / Controller with Probe

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