溶解氧DO:0.00 to 45.00 mg/L(ppm); 饱和溶解氧:0.0 to 300.0 %
测量范围: 0.00 to 45.00 mg/L(ppm);0.0 to 300.0 % 测量精度:读数±1.5% 或 1个字