Keterangan :

Model : PH-201
  0 to 14 pH x 0.01 pH
  Economical type, pocket size.
  Accuracy : ± 0.1 pH ( pH 4 to pH 10 )
  Size : 131 x 70 x 25 mm, 13 mm LCD
  PH electrodes ( optional) : PE-01, PE-03, PE-04HD, PE-06HD, PE-11, refer to page27