Overview 
Complete control of greenhouse fertigation
HANNA, the world leader in EC technology and pH control, has worked alongside leading growers to develop advanced solutions and systems for every type of crop.
The HANNA fertigation system delivers precise control of pH and fertiliser injection. Unlike the flow-based systems of the past, it constantly measures the water EC and pH, allowing the system to add the exact fertiliser concentration to the irrigation mix. The HANNA system is a bypass system that does not restrict flow or pressure. This lets the user introduce fertiliser accurately at between 1 and 70 m3 /h.
The HI 8000 series controller included in the system has 10 programmes, letting the user set different EC and pH values for a wide variety of plants. Each system allows the injection and mixing of 4 fertiliser types. If required, each injector can be set to a specific percentage, letting the user create their own mix from the base elements (N, P, K) and so reduce costs. The HANNA fertigation system controls up to 32 irrigation valves for complete process automation.
Quality and maintenance 
HANNA systems are above all reliable and durable, needing minimal maintenance or none at all, and every unit is backed by impeccable support and training… ask our customers!
Key features
- Precise control through continuous monitoring of EC and pH
- Flow rate between 1 and 70 m3 /h
- operating rate between 65 and 75 PSI
- Bypass system — the unit does not interfere
with the main line - 3 fertiliser injectors and 1 minor or weak acid
- Create your own mix – each fertiliser can be set to a specific percentage: Injector #1 (N = 20%), Injector #2 (P = 10%), Injector #3 (K = 20%)
- 10 programmes for different EC and pH values and fertiliser percentages
- Reduce your fertiliser costs
- Optimise plant nutrients
- Control more than 32 valves — they can be controlled together, sequentially, or x 2, x 3 … up to x 8 simultaneously
- Programmes can be controlled by time, external switches and/or flow
- Programmes can be controlled by time, external switches and/or flow
- Flow-activated to allow watering at a fixed point – adjusted by timer
- Control the agitators and filter cleaning
- Alarm control and redundancy monitoring
- GSM compatible for
remote monitoring and PC control
Control panel
- Fertiliser and acid injection indicators (LEDs)
- Main pump and alarm indicators (LEDs)
- Multi-zone valve indicators (LEDs) — SPECIFICATIONS HI 10,000 controller (main unit)
- Touch keypad
- Backlit LCD display
SPECIFICATIONS – HI 10,000 controller (main unit)
| Range | pH : 0.0 to 14.0; EC: 0.0 to 10.0 mS/cm |
| Resolution | pH / 0.1 mS/cm |
| Accuracy (@20°C/68°F) | pH: ±0.0546; EC: ±0.078 mS/cm |
| Inputs | 2 pH electrodes, 3 EC probes, 4 fertiliser tanks, 1 acid tank, 5 tank levels, control, 1 mixing tank level control, 2 differential pressures, 1 irrigation meter, 1 temporary pause, 1 conditional stop |
| Outputs | 2 alarms, up to 32 zone valves, 2 filter cleanings, pump, agitator, 4 fertiliser tank solenoid valves, 1 pH tank solenoid valve |
| Number of programmes | 10 |
| Selection method programme | Via the keypad or from a PC with dedicated software |
| Irrigation capacity | 1, 4, 8 and 32 zone valves |
| Irrigation control | time / volume control, 1 to 6 different schedules per programme |
| Information display | 20-character LCD, 4 levels with graphic symbols and messages |
| Power supply | 115V/220V ±10%; 50Hz/60Hz |
| Environment | HI 8002: NEMA 4X — as specified |
| Dimensions | Wall mounted: 280 x 330 x 165 mm (11.2 x 13.2 x 6.6”); Panel mounted: 178 x 260 x 115 mm (7.1 x 10.4 x 4.6”) |
| Weight | Wall mounted: 4.95 kg (11 lb.); Panel mounted: 3.4 kg (7.5 lb.); |