7-in-1 Meter with Lab-Quality Performance Extech EC600

Waterproof Conductivity Kit 7-in-1 Meter with Lab-Quality Performance Measures Conductivity, TDS, Salinity, Resistivity, pH, mV and Temperature Features: Waterproof housing ( meets IP57) Automatic one button pH calibration ( 4, 7, and 10pH) Choice of 3 point pH calibration for better accuracy One point Conductivity calibration  automatically recognizes 8 calibration solutions from USA, Europe and China series Automatic Temperature Compensation ( non-linear compensation for purified water < 10 S/ cm to improve measuring accuracy) Memory stores up to 300 readings with series number, measured value and temperature Large blue backlit dual LCD display Auto power off saves battery life with disable function Complete with pH/ mV/ Temperature electrode, polymer Conductivity cell, pH calbration solutions ( 4, 7, and 10pH) , Conductivity calibration solution ( 1413 S) , 2 AA batteries, and hard carrying case Specifications pH : -2.00 to 19.99pH mV : -1999 to + 1999mV Conductivity : 0.00 to 199.9mS TDS : 0 to 100g/ L Salinity : 0 to 100ppt Resistivity : 0 to 100M cm Temperature : 32 to 212 F ( 0 to 100 C) , pH and mV 32 to 122 F ( 0 to 50 C) , all other ranges Resolution : 0.01pH, 1mV, 0.01 S, 0.01mg/ L, 0.01ppt, 0.1 , 0.1 Accuracy : 0.02pH; 0.15mV; 1.5% FS; 1 F/ 0.5 C Power : Two AA batteries Dimension : Meter: 4.7 x 2.6 x 1.2" ( 120 x 65 x 31mm) Kit: 14 x 10.75 x 3? ( 355.6 x 273 x 76.2mm) Weight : Meter: 6.3oz ( 180g) Kit: 3.5lbs ( 1.6kg) Supplies & Accessories: EC605 - Conductivity Cell PH305 - pH/ mV/ Temperature Electrode