Sure Test Pro EC/TDS Pen
- Reads EC, TDS and temperature (ºF or ºC)
- Automatic temperature compensation (ATC)
- Auto or manual ranging for EC (uS/mS) and TDS (ppm/ppt)
- TDS conversion factor is selectable between 400 and 1000
- Adjustable calibration values
- Waterproof housing (IP65 rated)
- Comes with 4x LR44 batteries