PHS-29 acidity meter

The PHS-29 acidity meter is designed based on the Nernst equation. It consists of a pH electrode and a reference electrode, which generate a potential response to the acidity in the solution. The electrode potential is measured, and the pH value of the solution is calculated based on the Nernst equation; The instrument adopts high input impedance and deep negative feedback circuit to achieve accurate measurement. Technical specifications: * Measurement range: pH: 0.00pH~14.00pH mV:- 1999mV~+1999mV * Measurement accuracy: pH: 0.1pH1 character mV: 0.2% FS1 character * Resolution: pH: 0.1pH mV: 1mV * Input impedance: 51011 * Display: 3 and a half LCD * Temperature compensation range: 0 ℃~60 ℃ * Zero point potential: 0.0pH * Dimensions: 64185160 (mm) * Weight: 600g Usage conditions: * Temperature: 0 ℃~40 ℃ * Relative humidity: 80% * Power supply: AC 220V 220V 50Hz 0.5Hz DC 5V (internal) * No significant vibration or strong magnetic field interference Suitable for medical and health, environmental protection, agriculture and forestry, mining, teaching and research departments, as well as field operations to determine aqueous solutions pH value and electrode potential (mV) value for measurement.