Modi multiproducts co presents electronic and digital tds meters for measuring ppm in water. These meters are pen-type and convenient in reading and recording of ppm value from 0 to 9,990 ppm with resolution of 1 ppm. The measurement of ppm of water is carried out by dipping the tip of meter into water. Size of battery is 2 x 1,5 v [button cell]. The size of the tds meters is 140 mm x 23 mm x 15 mm [5.5 x 0.9 x 0.55 in] and weight is 32 gms [1.13 oz], accuracy is 2 per cent.
