HI 9813-6 - HANNA instruments HI 9813-6 is a versatile, water resistant, multiparameter portable instrument specifically designed for agricultural applications such as hydroponics, greenhouses HI 9813-6 Portable pH/EC/TDS/Temperature Meter with CAL CHECK™ Feature 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 simple, even for non-technical users Battery % displayed on startup Fast response multiparameter probe HI 9813-6 is a versatile, water resistant, multiparameter portable instrument specifically designed for agricultural applications such as hydroponics, greenhouses, 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. Specifications: 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 60.0°C Resolution pH 0.1 pH EC 0.01 mS/cm TDS 1 ppm (mg/L) Temperature 0.1°C Accuracy @ 20°C pH ±0.1 pH EC ±2% F.S. mS/cm TDS ±2% F.S. ppm Temperature ±0.5°C TDS Conversion Factor 0.56 to 0.78 ppm = 1 µS/cm (according to TDS 442 curve) pH Calibration manual, one point (all parameters except temperature) Temperature Compensation automatic 0 to 50°C (32 to 122°F) with ß=2%/°C Probe HI 1285-6 polypropylene body, pre-amplified multiparameter probe with CAL CHECK™ compatibilty, internal temperature sensor, 8-pin DIN connector and 1 m (3.3’) cable (included) Battery Type / Life 9V / approximately 150 hours of continuous use Environment 0 to 50°C (32 to 122°F); 100% RH Dimensions / Weight 145 x 80 x 36 mm (5.7 x 3.1 x 1.4”) / 230 g (8.1 oz.) EC Meter Hanna HI9813-6 pH Meter TDS Meter Temperature à¤Ã×èͧÇÑ´ TDS à¤Ã×èͧÇÑ´¡Ã´ ´èÒ§ à¤Ã×èͧÇÑ´¤ÇÒÁ¹Óä¿¿éÒ