Online TDS meter –opti-509C
SPECIFICATIONS Model ION-509-C Specification Single Range 199.9ppm Or 1999ppm Or 19.99ppt Or, 199.9ppt. (Select Any One Range, Required) Resolution 0.1ppm, 1ppm, 10ppt, 100ppt Accuracy +/- 1% Of Full Scale Dual Display Upper Display For