The Aquamaster P110 Pro is a combination meter that measures both the PH and EC value, as well as the temperature.
You easily change what you want to measure by pressing a button on the meter.
The Aquamaster P110 Pro is calibrated when it arrives and ready to use immediately.
Batteries included.
Aquamaster P110 Pro is made for dry storage and does not need to be in a storage liquid like other PH meters.