Bluelab Guardian Monitor Size:Replacement Probe No calibration required for conductivity

No calibration required for conductivity and temperature

Removable water tank with an automatic shutoff when the reservoir is full

• Kills SARS-CoV-2 virus on hard non-porous surfaces in 30 seconds

Coverage Area: Up to 3

Bluelab Guardian Monitor Size:Replacement Probe No calibration required for conductivityAdjustable brightness display. Large easy to read, plant safe green LED displays. Selectable values for conductivity and temperature. 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 Bluelab Guarantee (6 months on