GHL Profilux 4

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ProfiLux 4 is the most advanced member of the ProfiLux® Aquarium Controller family. Its extensive selection of on-board connections provide everything the ambitious aquarist needs to achieve success.

From form to function, the ProfiLux 4 is well-equipped to manage important tasks such as lighting control, water parameter measurement/control, level control, pump control, and much more. Fitted with the most on-board connections available, the P4 also includes integrated modules for measuring Conductance (adjustable: fresh or saltwater), Temperature, pH, and Redox. Connections for level sensors, leakage sensors, and 1-10V interfaces are also included.

Built-in WiFI and USB connections ensure optimal connectivity to keep you well informed about the status of your aquarium via web interface, e-mail, and myGHL cloud service.

The ProfiLux® Controller is globally recognized for its outstanding accuracy and reliability. From private users to research institutions, they all trust in the ProfiLux to provide them with highly accurate data and performance. The exceptional functionality of ProfiLux makes it the preferred controller of professionals and hobbyists alike.

ProfiLux 4 is designed to standout from the crowd. Offering switchable pH/redox and Conductivity inputs, laboratory grade measurement and accuracy, nearly limitless expansion options, rock-solid hardware, and much more. See for yourself, what it is like to own the ultimate in functionality. 

Available sets


- ProfiLux 4, black or white
- Power supply unit in the specific country version
- Digital water temperature sensor
- pH-electrode with calibration fluids pH 4 und pH 9
- Conductivity electrode with calibration fluid 50 mS
- Redox-Sensor with calibration fluid 220 mV
- Powerbar5.1 with PAB cable 2m
- USB cable

Feature List:

DimensionsW x D x H: 220 x 150 x 55 mm / 8.66" x 5.91" x 2.17"
Delivery includesPower supply, water temperature sensor, USB cable
Measurement and Control
Water temperature
Redox potential
OxygenOptional (Expansion Card can be retrofitted)
Relative humidityOptional (Expansion Card can be retrofitted)
Air temperatureOptional (Expansion Card can be retrofitted)
Other IES (e.g. Ca)In preparation
KH / AlkalinityIn preparation
Functions and Features
Lighting control channels32
1-10 V interfaces6 (Optional 30)
Controllable, separately switchable sockets64
Expansion slots3 (2x External access, 1x Internal access)
Dosing Pump control
Flow Pump control
Digital light control interface for Mitras Lightbar or RS232
USB interface
Powerbar connections2
Inputs level sensors / leakage detectors4 (Optional 12)
Power failure monitor connection
AUX connection
GHL Control Pad connection
DCF receiver connection
PAB connections2
Expansion Box extension possible
Alarm√, Visually and Acoustically
Graphical display
Integrated webserver and email client
Cloud service myGHL
Operating systemProfiLuxOS

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