Low Range pH/EC/TDS/Temperature Monitors with Backlit Display Click to enlarge  $169.95  Quantity:

Product Description:
The
Combo HI 991404 and HI 991405 series meters were made for continuous, high
accuracy pH, EC/TDS and temperature measurements. These microprocessor
indicators constantly 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.

These
indicators perform a self-check to guarantee a proper working condition. HI
991404 and HI 991405 stability indicator and hold features prompt the user when
to take the reading and freezes the display for easy and accurate recording.

These
instruments are supplied with an advanced, non-clogging double junction pH
electrode and a rugged conductivity probe that will withstand even the most
aggressive environments. These instruments are powered by a 12 Vdc transformer
and are easy to install and use, making them ideal for all continuously
monitoring applications.