$113.00
SE
SMART SENSOR AR8011 Written test conductivity /TDS
0ppm~1999ppm / 0ppt~19.99ppt
Conductivity Measurement range 0uS~ 199uS/2.00uS~ 19.99uS, TDS Measurement range 0ppm~ 1999ppm/0ppt~ 19.99ppt, Conductivity Detector /TDS Measurement accuracy +/- 3%, Repeatability +/- 1% uS/0.01ms, automatic temperature compensation.

$173.00
SE
SMART SENSOR AR8210 Written test dissolved oxygen instrument (lithium battery black and white screen)
AR8210 written test dissolved oxygen Tester can measure the pH value of the solution and display the temperature of the measured liquid. Dissolved oxygen Tester is widely used in industry, laboratory, agriculture, agriculture, breeding, scientific research and environmental protection and other fields.

If you don't know how to choose "STIP-scan", please consult customer service.