Description of china digital tds meter / TDS water tester / pen TDS controller:

This pH meter is affordable and useful for those who need a PH tester for household and laboratory use,it's not only ideal for household or laboratory use, also suitable for testing pH balance of drinking water,pool, aquarium,food Project,RO system,Spa,or hydroponics.

Parameters of china digital tds meter / TDS water tester / pen TDS controller:

TDS Range: 0 - 9990 ppm (mg/L)

Temp. Range: 0 - 80 degrees Celsius

Resolution: 0-999: 1 ppm; 1000-9990: 10 ppm (indicated by a 'x10' icon)

Temperature Resolution: 0.1 degree Celsius (Celsius only)

Accuracy: +/- 2%

EC-to-TDS Conversion Factor: NaCl (avg. 0.5)

ATC: Built-in sensor for Automatic Temperature Compensation of 1 to 50 degrees Celsius (33 to 122 degrees Fahrenheit)

Power source: 2 x 1.5V button cell batteries (included) (LR44 or equivalent)

Battery life: 1000 hours of usage