Water resistant, On-screen tutorial messages for calibration, Exclusive CAL CHECK feature; Alerts users of calibration status, BEPS (Battery Error Prevention System) alerts the user in the event that low battery power could adversely affect readings, Switch parameters at the touch of a button, Automatic Temperature Compensation for pH and conductivity, Simple calibration; Dials located on the front panel makes calibration quick and simpl, even for non-technical users, Battery % displayed on startup, Fast response multiparameter probe, HI 9813-6 is a versatil, water resistan, multiparameter portable instrument specifically designed for agricultural applications such as hydroponic, greenhouse, farming and nurseries, This meter features an large LCD that clearly displays the parameter being measured as well as calibration instructions, Calibration is fast and easy with knobs located on the front panel of the instrument, HI 9813-6 includes all the features of the HI 9813-5 while incorporating our exclusive CAL CHECK feature, CAL CHECK allows the user to easily check the pH probe calibration status at any time, This instrument utilizes the HI 1285 series pH/EC/TDS/temperature probe, This probe features a fiber junction and gel electrolyte making it ideal for fertilizer solutions, Order Information:, HI 9813-6 is supplied with HI 1285-6 multiparameter prob, HI 70007 pH 7, 01 calibration solution sache, HI 70442 1500 ppm (mg/L) calibration solution sache, HI 70031 1413 calibration solution sache, 700521 electrode cleaning solution sachets (2, batter, instructions and rugged carrying case, Specfications: Range pH 0, 0 to 14, 0 pH, EC 0, 00 to 4, 00 mS/cm, TDS 0 to 1999 ppm (mg/L), Temperature 0, 0 to 60, 0C, Resolution pH 0, 1 pH, EC 0, 01 mS/cm, TDS 1 ppm (mg/L), Temperature 0, 1C, Accuracy 20C pH 0, 1 pH, EC 2% F, S, mS/cm, TDS 2% F, S, ppm, Temperature 0, 5C, TDS Conversion Factor 0, 56 to 0, 78 ppm = 1 (according to TDS 442 curve), pH Calibration manua, one point (all parameters except temperature), Temperature Compensation automatic 0 to 50C (32 to 122F) with =2%/C, Probe HI 1285-6 polypropylene bod, pre-amplified multiparameter probe with CAL CHECK compatibilt, internal temperature senso, 8-pin DIN connector and 1 m (3, 3") cable (included), Battery Type / Life 9V / approximately 150 hours of continuous use, Environment 0 to 50C (32 to 122F); 100% RH, Length: 9, Height: 2, Width: 6 SKU: HNNI013