Hãng sản xuất: HANNA - ÝRange 0.00 to 9.99 mg/L (ppm)Resolution 0.01 mg/L (ppm)Accuracy ±0.05 mg/L ±5% of reading @ 25°CLight Detector Silicon Photocell with narrow band interference filter @ 466 nmLight Source Light Emitting DiodeEnvironment 0 to 50 ...