Hãng sản xuất: HANNA - ÝRange 0.0 to 15.0 mg/L (ppm)Resolution 0.1 mg/L (ppm)Accuracy ±0.3 mg/L ±4% of reading @ 25°CLight Source Tungsten lampLight Detector Silicon photocell with narrow band interference filter @ 525 nmEnvironment 0 to 50°C (32 to ...