PHS-3B digital precision acidity meter is suitable for medical teaching, biochemical analysis, environmental protection, and mining plant sampling to determine the pH value of aqueous solutions and measure electrode potential values. Equipped with appropriate ion selective electrodes, it can be used for ion concentration analysis and can also be used as a terminal display instrument for potentiometric titration analysis.

Technical indicators:
*Measurement range: pH：0.00 pH～14.00pH
MV: 0 to ± 1999mV
*Measurement accuracy: pH: 0.01pH ± 1 word
MV: ± 0.1% F · S ± 1 word
*Resolution: 0.01pH; 1mV
*Display: 3 and a half LED
*Input impedance: ≥ 1×1012Ω
*Dimensions: 330 × 180 × 100 (mm)
*Weight: 1.5 kg
*Power consumption:< 5 W

Usage conditions:
*Temperature: 5 ℃~45 ℃
*Relative humidity:< 85%
*Power supply: AC220V ± 22V 50Hz ± 0.5Hz
*No significant vibration or strong magnetic field interference

The instrument can be used in conjunction with various ion selective electrodes, reference electrodes, magnetic stirrers, and other products produced by our company.