TANITA residual chlorine meter set EW-521-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] ● Depth (mm): 202 ● Height (mm): 37 ● Measurement items: CL, pH ● Measurement range: 0.00 to 2.00 mg/L (CL measurement) 2.00 to 12.00 pH (pH measurement) ● Power source: AAA batteries x 4 (included) Width (mm): 82

[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, pH sensor, DPD reagent simple set (color chart, container, reagent 2 x 5), pH standard solution powder (pH 4.01, 6.89, 9.18 x 1 each) , strap, connector protection cap, sensor holder, batteries (AAA alkaline batteries x 4), instruction manual (with warranty)

[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.