TANITA Residual Chlorine Meter Set EW-520-WH EW-520-WH 1 piece

Catalog number: EW-520-WH Features: ●The EW-520-WH is a low-cost, high-precision model with basic CL measurement functions. ●The EW-521-WH is a full-fledged model with an automatic pH correction function. ●Uses a flat electrode that is easy to clean. Applications: ●For checking the environment around you. Specifications: Width (mm): 82 Depth (mm): 202 Height (mm): 37 Measurement range (mg/L): 0.00-12.0 Resolution (mg/L): 0.00 Measurement range: 0.00-2.00mg/L Measurement item: CL Power supply (V): 4 AAA batteries (included for monitor) Dustproof and waterproof performance: IP67 Width x Depth x Height: 82 x 37 x 202mm Material/Finish: ABS resin Set contents/Accessories: CL sensor, DPD test simple set (color chart, container, 2 packets of reagent x 5), strap, trial battery (4 AAA alkaline batteries), instruction manual (with warranty) Caution: Be sure to perform each calibration when using for the first time. (Sample set required for calibration is included) Cleaning and calibration are required if more than one week has passed since the last calibration or after 50 measurements. Do not damage the sensor electrode. ●If you have measured water with a high impurity content, such as in a pool or bath, please clean the sensor. ●Do not immerse the sensor in cold springs, hot springs, mineral springs, well water, alkaline ionized water, water with a chlorine concentration of 3 mg/L or more, or water that is strongly acidic or strongly alkaline. This may cause the sensor to malfunction.