YOKE P613 Portable pH & Conductivity Meter (-2.00~19.99 pH)

-PH
Measuring range (-2.00~19.99)pH 
Resolution 0.1/0.01 pH 
Accuracy Meter:±0.01pH; Overall: ±0.02pH 
Input impendance ≥1×1012 Ω
Stability ±0.01 pH/3h 
Temp. compensation range (0~100)℃ (Auto) 
-ORP
Measuring range (mV/ORP/EH) -1999mV ~ 0 ~ 1999mV 
Resolution 1mV 
Accuracy: ±0.1% FS 
-Conductivity
Measuring range
Conductivity:
(0.00~19.99)μS/cm
(20.0~199.9)μS/cm
(2.00~19.99)mS/cm 
(20.0~199.9)mS/cm
(200~1999)S/cm
(2.00~19.99)mS/cm 
TDS:(0~100)g/L
Salinity:(0~100)ppt
Resistivity:(0~100)MΩ·cm
Resolution 0.01/0.1/1μS/cm; 0.01/0.1 mS/cm 
Accuracy ±1.0% FS, Overall:±1.5% FS 
Temp. compensation range (0~50)℃ (manual) 
Electrode constant 0.1 / 1 / 10 cm-1 
-Other Technical Parameters
Data storage 1000 groups
Power Two AA batteries (1.5V x2)
Shipping size/G.W. (380×100×300)mm/1Kg