It is extremely important that water in an Hydroponics system has the correct EC & pH levels for optimum nutrient assimilation by the plants.
To ensure that the EC and pH levels are correct, the combination PC5 EC/pH/Temperature meter does both.
Herewith are the measurement parameter for the PC5 meter:
PC5 testing range for pH/EC/TDS/Salt Tester:
Dimensions: 178mm x 40mm x 40mm
Weight: 133 grams
Batteries: 4 x AAA
200 Hours continuous operation