The TDS-3 Handheld TDS Meter from HM Digital is a useful tool to spot check the TDS of your home water supply or RO/DI unit output. This unit features a digital display, built in thermometer, and comes with a carrying case. As with all HM-Digital products, the TDS-3 comes factory calibrated.
This TDS meter has built in temp compensation. :-)
This meter will read 000 up to 999. Feel free to let us know if you have any further questions!
These will use the LR44G battery. Feel free to let us know if you have any further questions!
No, they come pre-calibrated from the factory. Given the sensitivity of the instrument and the process involved its really recommended to not mess with the calibration or your really likely to make it less accurate.