*OEM design is available *ph meters, TDS Meters, conductivity meter, EC (us/cm), ph aquariums, oxygen, electrodes, etc KL-099 Waterproof pH/ORP/Temperature Meter Descriptions:PH-099, designed for simultaneous pH and ORP measurements. It also reads temperature, which is continuously displayed on the dual level LCD. It is a waterproof pH, ORP and temperature meter. All pH readings are automatically ...