pH/EC/TDS/temperature meter for hydroponics

The HI-9814 is a lightweight, waterproof portable pH, conductivity, TDS and temperature meter supplied with a specialist multiparameter probe designed for hydroponics, greenhouse and agricultural applications. Key features Compact, robust casing Simultaneous readout of pH, EC or TDS and °C Simple two button keyboard Waterproof design to withstand the humidity of a growing environment Specialist multi-parameter electrode Optional green protective rubber holster – HI-710025 The HI-9814 boasts many advance features that are usually found in more expensive portable meters, including automatic calibration, buffer/standard recognition and temperature compensation. On-screen tutorial message and indicators for the calibration status and stability can be viewed on the large multi-level LCD display. Specialist multi-parameter electrode designed for hydroponics The HI-1285-7 multi-parameter electrode is designed to overcome issues of measuring pH & EC/TDS in hydroponic applications associated with aggressive chemicals, frequently faced by conventional multi-parameter electrodes. The HI-9814 is supplied complete with the HI-1285-7 specialist electrode that features the following key benefits: Pre-amplified pH electrode – prevents interference from humidity and sources of electrical noise including circulating pumps, motors and ballasts from grow lights. Amperometric EC/TDS sensor – EC/TDS readings are performed by a two-pin amperometric sensor, best suited to low conductivity applications Built-in temperature sensor – readings of pH and EC/TDS must be temperature compensated in order to obtain accurate results. The built-in temperature sensor provides a speedy temperature reading which is then used to adjust the pH and EC/TDS results accordingly for higher accuracy. Polypropylene body – the durable body of the HI-1285-7 electrode is chemically resistant to many aggressive chemicals used in hydroponics and protects all three sensors. DIN Connector – the HI-1285-7 has been specifically designed for use with the HI-9814 meter, the DIN connector means the probe is not interchangeable. pH – Range   0 to 13.00 pH  Resolution   0.01pH  Accuracy   ±0.02 pH  Calibration   automatic, one or two-points using standard buffers (standard pH 4.01, 7.01, 10.01); one point calibration using quick calibration solution Conductivity – Range   0.00 to 6.00 mS/cm  Resolution   0.01 mS/cm  Accuracy   ±2% F.S. TDS – Range   0 to 3000 ppm (500 CF); 0 to 3999 ppm (700 CF)  Resolution   10 ppm (mg/L)  Accuracy   ±0% F.S. Temperature – Range   0 to 50.0°C  Resolution   0.1°C  Accuracy   ±0.5°C  Temperature Compensation   pH: automatic; ED/TDS: automatic with β set at 1.9%/°C EC/TDS Calibration   automatic, one point at1.41 mS/cm or 5.00 mS/cm; one point calibration using quick calibration solution TDS Conversion Factor   0.5 (500 ppm) or 0.7 (700 ppm) Electrode   HI-1285-7 polypropylene body, pre-amplified multi-parameter probe with internal temperature sensor, DIN connector and 1m cable Battery Type/Life   1.5V (3) AAA / approximately 500 hours of continuous use; auto-off after 8 minutes of non-use Auto-off   after 8 minutes, 60 minutes, disabled Environment   -5 to 50°C; RH max 100% Dimensions   154 x 63 x 30 mm Weight   196g Ordering Information:   HI-9814 is supplied with HI-1285-7 multi-parameter probe, HI-50036 Quick Cal buffer solution sachet (3), HI-700661 pH electrode cleaning solution sachet for agriculture (3), 1.5 AAA batteries (3), and instructions and instrument quality certificate