Apply to measuring every size pipeWater, seawater, sewage, PH liquid, oils and other liquids 2¡Á20 light LCD display, light type boardInner Ni-H battery can work 10 hours¡¢temperature £¨-20~60¡æ£©Accuracy : ¡À1%Printer output and RS-232 outputPower :2WA ex-proof box for using under bad condition 180¡Á180¡Á100mm 2kg