Residual Chlorine Meter This instrument adopts the DPD photometric method, which is specially used to determine the concentration of residual chlorine in water samples. A large number of experiments have proved that this method is simple and quick to operate and has high sensitivity. The instrument is small in size, light in weight, easy to carry, suitable for field and field use. Residual Chlorine Meter LH-C10F Feature 1.Pre-stored standard curve 2.Economic and environmental protection 3.Easy to carry 4.IP65 protection level 5.Good optical stability 6.Intuitive and simple operation Specification Measuring range 0.10-10.00mg/L Light LED Wavelength 520nm Repeatability lt;1.0mg/L,error≤±0.05mg/L ≥1.0mg/L，error≤±5% Principle DPD method Battery Life More than 24 hours (no shutdown) Dimension 128*70*48mm Weight 188g(with battery)