Involvement:Expert (understands the inner workings) - Ownership:more than 1 month
-Works very well -Good quality of construction -Simple to use, just one button! -Has a Calibration screwdriver and Included calibration solution (very usefull) -Batteries last a very long time
- You HAVE to calibrate it as soon as you get it, the standard calibration is very off-point. Not really a problem since you have the solution and the screwdriver -ppm measure in the hanna scale, see below for the formula to convert to uS/cm
It's a really good TDS tester, in the Hanna Scale, so if you need the standard values, here is the formula: (TDS)ppm = Conductivity µS/cm x 0.5 or Conductivity µS/cm = (TDS)ppm / 0.5 or just look in google a ppm to uS conversion calculator ans put the value "0.5" instead of the normal "0.67" Not really a problem
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