Specification :

ZDRS-200A pH & EC,Temp Monitor£¨3 in 1£©
Range: 0.00 -- 14.00 pH ; 0.0¨C10.0 EC ( mS /cm), 5 ¨C 35¡æ / 41¨C95 ¨H
Resolution: 0.01 pH; 0.1EC; ¡À1%¡æ / ¡À1% ¨H
Accuracy: ¡Ü¡À0.1 pH, ¡À2% F.S; ¡À2%¡æ / ¡À2% ¨H,@25¡æ/77¨H
Temp. C: 5¡ª50¡æ, (ATC)
PH Calibration: Two-point at 6.86pH and 4.01pH (or 7.0pH and 4.01pH)
EC Calibration: One-point at 6.7ec£» Temp. Calibration: One-point @25¡æ/77¨H
Display: LCD with illumination(Blue background);
Power Supply: External 9VDC ( adaptor included )