TANITA Residual Chlorine Meter Set EW-521-WH EW-521-WH 1 pc

Catalog number: EW-521-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: ● Measurement range (pH): 2.00 to 12.00 ● Display range (pH): 2.00 to 12.00 ● Width (mm): 82 ● Depth (mm): 202 ● Height (mm): 37 ● Measurement range (mg/L): 0.00 to 12.0 ● Resolution (mg/L): 0.00 ● Measurement range: 0.00 to 2.00 mg/L (CL measurement) 2.00 to 12.00 pH (pH measurement) ● Measurement items: CL, pH ● Power supply (V): 4 AAA batteries (included for monitor) ● Dustproof and waterproof performance: IP67 ● Width x Depth x Height: 82 x 37 x 202 mm Material/Finish: ● ABS resin Set contents/accessories: ●CL sensor, pH sensor, DPD reagent simple set (color chart, container, 2 packets of reagent x 5), powder for pH standard solution (pH 4.01, 6.89, 9.18 x 1 packet each), strap, connector protection cap, sensor holder, batteries (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 is required if more than one week has passed since the last calibration or after 50 measurements. ●Do not damage the sensor electrode. ●If measuring water with a high impurity content such as a pool or bath, clean the sensor. ●Do not immerse in cold springs, hot springs, mineral springs, well water, alkaline ionized water, water with a chlorine concentration of 3 mg/L or more, or strong acidic or alkaline water. This may cause a malfunction.