Hanna Instruments HI 9914 Wall Mounted Fertigation Controller Instruction Manual

HI 9914 wall mounted fertigation controller is a new type of irrigation controller with two measuring channels, one for pH and one for conductivity. The actual values of pH and conductivity are displayed separately on two large LCDs with backlight feature for a best easy reading. The EC probe is made of corrosion-resistant PTFE material to ensure measurement accuracy.


Hanna Instruments HI 9914 Wall Mounted Fertigation Controller Instruction Manual - cover page
Brand
Hanna Instruments
Category
Other
Document type
User Manual
Language
English
Pages
21
File format
PDF
File size
2.4 MB
Published
10 July, 2012
Updated
01 October, 2023
Model
HI 9914
MD5 checksum
B30592FFF7255D77F6FA6AA8A1AFB95E

About this manual

The HI 9914 wall-mounted fertigation controller is designed for agricultural, horticultural, and hydroponics applications. It features two measuring channels for pH and conductivity with automatic temperature compensation, allowing for precise control of irrigation water composition. The device includes relay outputs for dosing pumps, water nozzles, and circulation pumps, as well as inputs for level sensors and external signals.

What's inside

  • Preliminary Examination
  • General Description
  • Mechanical Layout
  • Functional Description
  • Specifications
  • Installation
  • Tank Assembly Setup
  • Connections and Wiring
  • Controller Start-Up
  • Normal Operation

Specifications

Conductivity Range0.00 to 10.00 mS/cm
pH Range0.00 to 14.00 pH
Dimensions221 x 181 x 90 mm
Weight1.75 kg

Frequently asked questions

What are the available power supply options for the HI 9914?

The controller is available in two models: HI 9914-1 works with 110/115 Vac input, and HI 9914-2 works with 220/240 Vac input.

How should the level sensors be arranged in the tank?

The level sensors must be arranged from bottom to top in the following order: low level, normal level, and high (alarm) level.

What is the accuracy of the pH measurement?

The pH measurement accuracy is +/- 0.02 pH at 20°C/68°F.

Download PDF (2.4 MB)

More Hanna Instruments Manuals


View all Hanna Instruments manuals →