Hãng sản xuất: HANNA - ÝRange 0.00 to 5.00 mg/LResolution 0.01 mg/L (ppm)Accuracy ±0.04 mg/L ± 2% of reading @ 25°CLight Source Tungsten lampLight Detector Silicon photocell with narrow band interference filter @ 525 nmMethod adaptation of the USEPA ...