Bluelab Guardian Monitor

The Bluelab Guardian Monitor displays all the critical parameters for successful growth: pH, conductivity and temperature. It features an adjustable brightness display that is large and easy to read including plant safe green LED displays. The Bluelab Guardian Monitor has selectable values for conductivity and temperature.

Specifications:

* Simple push button pH calibration system
* No calibration required for conductivity and temperature
* Silent alarm for both high and low settings
* Settings retained when power lost (non-volatile memory)
* Temperature compensation
* An international power supply
* Water resistant design
* 2 year warranty (6 months on probe)