Product Description:Continuously takes readings from nutrient solution• Simple manual pH calibration• 2 meter probe length• Calibration solutions supplied• International BNC socket for pH probe connection• Flashing LED alarm quickly seen in a dark growing area• Ready to mount on wall or surface• Large 13mm (1/2”) digital display for easy reading• Long battery life (18 months fromalkaline batteries)• Serial interface socket for connection to the Bluelab Maestro™• 3 AA batteries• 2 Year Bluelab Guarantee
HydroMan