4 In 1 PH SALT/EC/S.G/Temp Meter Digital Water Quality Tester for Pool Aquarium
Range: EC: 0-19900us/cm0-199.0ms/cm (SALT-785H). Water quality tester 1. Salt: 0-10000ppm0-199.9ppt. High precision probe and alloy probe can avoid magnetic field interference in water and reduce errors.