TDS Meter Portable Digital, TDS6+, Ex. SingaporeTDS Range :0 to 9.99 ppm / 0.01 ppm10 to 99.9 ppm / 0.1 ppm100 to 999 ppm / 1 ppm1.00 to 9.99 ppt / 0.01 ppm10 to 99.9 ppt/ 0.1 pptTemperature Range : -10.0 to 80.0 C

TDS Meter Portable Digital, AD410 Ex. Hungaria (Eropa)TDS Range : 9.99/99.9/999 ppm, 9.99/99.9 pptTemperature Range : 9.9 to 120 CResolution TDS : 0.01/0.1/1 ppm, 0.01/0.1 pptResolution Temperature : 0.1 C

TDS Meter Pocket Digital, TDSTestr 11 Ex. SingaporeTDS Range : 0 to 1000 ppm / 0 to 10.00 pptResolution TDS : 10 ppm / 0,10 pptTemperature Range : 0 to 50.0 C

TDS Meter Pocket Digital, AD201 Ex. Hungaria (Eropa)TDS Range : 0 to 1999 ppmResolution TDS : 1 ppm

TDS Meter Pocket Digital, Ex. CinaRange : 0-999ppmWith Temperature