TANITA residual chlorine meter set EW-520-WH

[Features]● The EW-520-WH is a low-cost, high-precision model equipped with the basic functions of CL measurement. ● EW-521-WH is a full-fledged model equipped with an automatic pH correction function. ●Employs flat electrodes that are easy to clean.

[Use] ●For checking the surrounding environment.

[Specifications] Measurement item: CL Measurement range: 0.00 to 2.00 mg/L Power supply: AAA batteries x 4 (included)

[Specification 2] Protection grade: IP67 Width x depth x height: 82 x 37 x 202 mm

[Material/Finish] ABS resin

[Set Contents/Accessories] CL sensor, simple DPD test set (color chart, container, 2 reagent packs x 5), strap, trial batteries (AAA alkaline batteries x 4), instruction manual (warranty card) with)

[Caution] ●Be sure to perform each calibration before using the instrument for the first time. (Sample set required for calibration is included.) ●The residual chlorine meter and pH meter must be cleaned and calibrated every 50 measurements or more than a week has passed since the last calibration. ●Do not damage the sensor electrodes. ● Wash the sensor after measuring water with many impurities such as pools and baths. ● Do not immerse the residual chlorine sensor in cold springs, hot springs, mineral springs, well water, alkaline ionized water, chlorine concentration of 3mg/L or more, or strongly acidic or alkaline water. Failure to do so may cause malfunction.