Chlorine meter เครื่องวัดคลอรีน ราคาถูก


Checker Total Chlorine HI711

เครื่องวัดคลอรีน HI711

Easier to use and more accurate than chemical test kits EPA approved DPD method ±0.03 ppm ±3% of reading accuracy 0.01 ppm resolution, 350 points Large, easy to read digits  Auto shut off


Range   0.00 to 3.50 ppm (mg/L)
Resolution   0.01 ppm (mg/L)
Accuracy @ 25°C   ±0.03 ppm ±3% of reading
Light Source   LED @ 525 nm
Light Detector   Silicon photocell
Environment   0 to 50°C (32 to 122°F); RH max 95% non-condensing
Battery Type   (1) 1.5V AAA
Auto-off   after two minutes of non-use and ten seconds after reading
Dimensions   81.5 x 61 x 37.5 mm (3.2 x 2.4 x 1.5”)
Weight   64 g (2.25 oz.)
Method   adaptation of USEPA method 330.5, DPD method