* Free chlorine, total Chlorine measurement.
* Range : 0 to 3.5 mg/L (ppm).
* Range : Auto range.
* Measuring principal : Photo meter method.
* Light source : LED, 525 nm.
* Record Max, Min. value.
* 10 PCs Free and Total powder DPD are included.
* Free and total 1.0 mg/L standard solution are the
* Power : 1.5 V battery (UM-4/AAA) x 6 PCs.
* The measuring method is an adaptation of the USEPA Method 330.5 and Standard Method.