Hanna Grochek Combo pH/EC/TDS/Temp HI 991404

The Hanna Grochek Combo pH/EC/TDS/Temp HI 991404 is designed for continuous, high accuracy pH, EC/TDS and temperature measurements. These microprocessor indicators continuously monitor the three most important nutrient parameters in hydroponics, greenhouses and horticultural applications with a single instrument. These indicators feature a large, dual-level, backlit LCD to give you instantaneous readings of pH, EC or TDS and temperature, even from a distance.

At startup, The Hanna Grochek Combo meter perform a self-check to assure proper working conditions. The Grochek HI 991404 has a stability indicator and hold features to prompt the user when to take the reading and freezes the display for easy recording.

With the Hanna Grochek Combo meter calibration and temperature compensation is automatic, while the EC/TDS conversion factor and temperature coefficient (ß) are user adjustable for application-specific measurements.

The HI 991404 is supplied with an advanced, non-clogging double junction pH electrode and a rugged conductivity probe that will withstand even the most aggressive environments. The instruments are powered by a 12 volt dc transformer and are easy to install and use.