Suggested Installation Options
The Hanna HI2500 continuously measures the actual EC and pH of the blending tank or trough system and precisely adjusts the concentration of fertilizer and acid or base.
Customize your fertilizer mixtures.
The HI2500 comes equipped with 2 peristaltic pumps for nutrient injection, each with a max output capacity of 2 l/h. Additional pump modules can be added to accommodate multiple nutrients.
Control pH accurately.
The HI2500 comes with a separate pH controller and designated peristaltic pump specifically designed to handle the most aggressive acids.
Ready to use.
Comes complete with everything you need to get started, including controllers, pumps, electrodes, tubing and accessories.
Customizable and expandable.
Select the controllers, number of pumps and types of probes you wish to use.
pH Range 0.0 to 14.0 pH pH Resolution 0.1 pH pH Accuracy (@25ºC/77ºF) ±0.2 pH pH Calibration manual, 1 point through CAL (offset) trimmer pH Input impedence 10¹² Ohm pH Dosing Relay maximum 2A (fuse protected), 250 Vac, 30 VDC pH Dosing Set Point adjustable from 0 to 14 pH (overtime adjustable, typically from 5 to approximately 30 minutes)
EC Range 0.00 to 10.00 mS/cm EC Resolution 0.01 mS/cm EC Accuracy ±2% full scale EC Calibration manual, with CAL trimmer EC/TDS Temperature Compensation automatic from 5 to 50°C (41 to 122°F) with beta =2%/ºC EC/TDS Dosing Relay maximum 2A (fuse protected), 250 VAC, 30 VDC EC/TDS Dosing Set Point adjustable from 0 to 10 mS/cm (overtime adjustable, typically from 5 to approximately 30 minutes)
Controller Power Requirements 115V/220V; 50Hz/60Hz. 10 Amp, 4 outlet box recommended Circulator Pump Solenoid Array Power Requirements 208/240, 3 phase, 30 Amp breaker
Control Power Requirements 110/115V at 50/60Hz Operating Temperature -10 to 50°C (14 to 122°F) max. 95% RH non-condensing
Process Control Meter
Enclosure Fiber-reinforced, self-extinguishing ABS Maximum Flow Rate 2 1/h Power Supply 110/115V at 50/60Hz Environment -10 to 50°C (14 to 122°F) max. 95% RH non-condensing Ordering Information