PHS-4A Intelligent pH meter is a precision measurement method using direct potential solution pH, electrode potential and temperature electrochemical analytical instruments. Instrument according to the Nernst equation, using microcomputer technology for user-friendly design, the measurement process, large-screen LCD display real-time display status information, display the measurement results. Specifications: * Instrument level: 0.01 * Measuring range: * pH: (0.00 ~ 14.00) pH * mV: (- 1999 ~ 0 ~ + 1999) mV t: (0.0 ~ 99.9) ℃ Resolution: 0.01pH; 1mV ; 0.1 ℃ * electronic unit Accuracy: * pH: ± 0.01pH ± 1 word * mV: ± 1 mV ± 1 word t: ± 0.5 ℃ ± 1 word * Stability: ± 0.01pH ± 1 word / 3h temperature compensation range: (0 ~ 60) ℃ * Input impedance: ≥1.0 × 1012Ω * Power: AC: (220 ± 22) V (50 ± 1) Hz or DC: + 5V / 0.5A instrument can be produced with the company various ion-selective electrode, various reference electrode, magnetic stirrer and other ancillary uses. The instrument applies to universities, research institutes, environmental monitoring, industrial and mining enterprises and other departments. 

keywords: PHS-4A pH meter intelligent, smart pH meter, pH meter,