Great for Hydroponics Gardeners or Aquarium Enthusiasts, Non-technical and Technical Personnel alike!! The Six-in-one Meter can be used to constantly monitor the Temperature, PH, TDS in a wide range of applications including nutrient solution for hydroponics, living environment of aquariums, swimming pool, Spa, laboratory and the like. This easy-to-use and affordable combo tester makes it possible to measure pH, ??C, CF, EC, ??F, and TDS on the spot, accurately and inexpensively throughout a variety of industries. With this sensitive, efficient, accurate and portable meter, there will be no more trouble switching meters to measure the pH, ??C or ??F and then the EC, CF or TDS of a solution!! Features: òBrand New in Box Ready to Be Operated Upon Arrival òSix-in-one Meter: EC, CF, ??C, ??F, TDS, pH òEasy Calibration of pH and TDS with just a Mini-screwdriver òAutomatic Temperature Compensation (without this, pH reading will differ as the temperature varies) òLarge, Triple Level Display òCaps on Both Sides for Storage and Protection of Electrodes òSuction Cups to Attach the Electrodes onto the Inwall of the Vessel, Tank or Reservoir etc. òCE Certificated to Offer Safer and Precise Measurement Specification: Display 4 digits, LCD Range PH: 0.00~14.00PH TDS: 10~19990ppm ??C : -50 ~ 70??C ??F: -58 ~ 158??F EC: 0.00 ~ 19.99EC CF: 0.0 ~ 199CF Resolution PH: 0.01PH TDS: 10 ppm ??C :0.1??C ??F: 0.2??F EC: 0.01EC CF: 0.1CF Accuracy ?? 0.1PH ??C: ?? 1??C EC/CF/TDS: ?? 2% F.S Power Supply DC 6V Operating Temp. 0??C ~ 50??C (32??F ~ 122??F) Automatic Temp. Compensation 0??C ~ 50??C (32??F ~ 122??F) Dimension 6" x 3 3/8" x 7/8" (155 x 86 x 22mm) Weight approx. 223g Cable Length (connecting the probe) 58" Package Content: ò1 Six-in-one Meter ò2 Probes ò1 AC-DC Adaptor ò2 Suction Cups ò1 Mini Screwdriver