Automatic Titrator

ZDJ-4A Automatic Titrator 1. Level: 0.05 2. Measuring range PH: (0.00-14.00)pH MV: (-1800.0 -1800.0)mV Temperature: (-5.0-105.0)º C 3. Resolution PH: 0.01pH MV: 0.1mV Temperature: 0.1º C 4. Intrinsic error of electronic unit PH: ± 0.01pH ± 1 MV: ± 0.6mV Temperature: ± 0.3º C 5. Input impedance of electronic unit: 3x1012Ω 6. Stability of electronic unit: ± 0.3mV ± 1/3h 7. Control sensitivity: ± 2mV 8. Repeatability of titration analysis: 0.2% 9. External size of electronic unit, mm: 340x380x180 10. Weight of electronic unit: 5kg 11. Normal operating condition A) Ambient temperature: (5 35)º C B) Relative humidity: No more than 80% C) Electric power supply: AC (220 ± 22)V; (50 ± 1)Hz D) No electromagnetic field which will influence performance exists except earth magnetic field