Model number: DPD + pH Size (mm): 130 x 82 x 80 Weight (g): 104 Colorifice board: 1 sheet for residual chlorine/1 sheet for hydrogen ion concentration Reagent: 60 DPD reagents, 30 mL BTB reagent Measurement items: Residual chlorine concentration 0.1 to 2.0 ppm, pH 5.8 to 7.6 :主机,2个水测试管,便携式外壳(167 x 100 x 125毫米)