GHL Doser 2.2 Maxi EXT

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GHL Doser 2.2 Maxi Highlights

• 24V Stepper Motors
• Dosing & Refilling
• Alarm
• Continuous Dosing
• Dosing Schedule
• Automatic Waterchange

Ease of Use and Multiple Connectivity Options:

• GHL Connect App
• myGHL Cloud Service
• Webserver
• Push Notifications
• WiFi
• USB

Adjust settings in the App, Cloud, and Webserver on the go or via our PC-software.

PC-Software & Apps by GHL:

With the free GHL Connect App or the cloud service myGHL, you can always control anything from anywhere, start dosing programs, or monitor the fill levels of your liquids.

Accurate 24 V stepper motors allow you to perform up to 150 doses per day.

When determining the dosing times, you can choose your doses to be distributed automatically throughout the day — or up to 8 doses per day, individually set.

myGHL Dosingpump System

Tracking with the GHL Logbook:

Keep track of all your aquarium-related events, set reminders, record past and current water parameters, and more with the GHL Logbook.

The GHL Logbook is your digital notepad for recording aquarium-related events, setting reminders, recording past and current water test results, and so much more.

How to use the GHL Logbook

"Have accurately set the dispensing at 0.1 ml and I am always impressed again how well it works."

Customer Review GHL Support Forum

Stand Alone and Extension Doser. Efficiency at its Best.

Do you need more than one device? If so, the GHL Doser Maxi 2.2 is perfect for you because the Doser can be expanded into an efficient dosing system. Control up to 32 pumps independently with a ProfiLux or 16 pumps with any SA Doser.

GHL Dosing-System, Expandability of the GHL Doser

Stand Alone and Extension Doser Ports.

GHL Doser 2.2 Maxi Stand Alone:

Realize the full potential of GHL Doser Maxi 2.2 Stand Alone:

The Stand Alone unit has integrated control. With it, you can additionally control other Extension Dosers (GHL Doser 2/2.1/2.2 Extension or GHL Doser Maxi Extension).

You can also connect up to 2 Level sensors to monitor the water level in your basin and a temperature sensor for checking the water temperature. You can even use our Magnetic Stirrer to ensure that fluids are always mixed before dosing.

Connections_GHL Doser 2.2 Maxi SA Rear GHL Maxi Doser 2.2 Stand Alone.

GHL Doser 2.2 Maxi Extension:

You can expand your Stand Alone Doser with an Extension Doser or connect a ProfiLux 4 for control.

Connections_GHL Doser 2.2 Maxi EXT Rear GHL Doser 2.2 Maxi (EXT).

The interference-free connection is made with PAB cables using the PAB-Port.

Advanced Connectivity

Connect up to 2 external magnetic stirring units, the GHL Control Pad, or Temperature and Level Sensors.

Integrated Refill (Auto Top-Off)

Refilling and changing water.

Suited for continuous operation

The pumps are suited for continuous operation, please see also Maintenance & wear parts below.

Very Precise Dosing

The 24V stepper motors allow precise dosing even at the smallest flow rates (0.1 ml).

Up to 150 doses per day

Easily choose dosing times via software (GHL Control Center).

Automatically: Up to 150 individual doses per day automatically distributed.

Individually: Up to 8 doses per day individually set.

Each pump can be set separately.

Conveying capacity and dosing:

up to 320 ml / minute (precisely adjustable to 0.1 ml).

LED Status Display

The LED–backlit GHL Logo in the housing cover serves as a status indicator. Various colors show you at a glance, the condition of your system.

• White = Configuration mode
• Blue = Normal
• Green = Amount of liquid in the container is OK
• Yellow = Warning threshold amount of liquid undershot
• Red = Alarm threshold amount of liquid undershot

Level Indication and Alarm

Keep track and control of the liquid levels in your containers. An alarm signals that the minimum quantity has been reached.

Versatile Connectivity Options

• Magnetic Stirrers
• External GHL Control Pad (4.3” Touch screen)
• Temperature sensors and Level sensors

Easy Handling

Programming and operating the GHL Doser 2.2 Maxi Stand Alone is easily accessible via the free PC software GCC, app and cloud service myGHL.

Simple Connection

The connection can be made via WiFi or USB.

Convincing Quality

• 2 precise pumps with heavy-duty stepper motors
• Chemical-resistant tubing
• Sturdy construction, housing is made of aluminum and durable plastic.

Model Diversity

GHL Doser 2.2 Maxi is available in two different models:

• Stand Alone (SA): With integrated control
• Extension (EXT): Without control, controllable via GHL Doser 2/2.2 Maxi SA, GHL Doser 2/2.1/2.2 SA, ProfiLux Aquarium Controller

In addition, select between white and black (cover).

Expandable to a Whole Dosing System

Do you need more pumps? No problem: The system is expandable to a total of 32 pumps.

• 16 pumps with Stand Alone + one or more EXT Doser (GHL Doser 2/2.1/2.2 EXT or GHL Doser Maxi 2.1/2.2 EXT)
• 32 pumps with ProfiLux Controller + one or more Extension Doser (GHL Doser 2/2.1/2.2 EXT or GHL Doser Maxi 2.1/2.2 EXT)

The ProfiLux Aquatic Bus provides reliable and interference-free data transfer, even over long distances up to 100 m (300 ft.).

Technical Specifications

Dimensions (without pumps): 220 x 150 x 103 mm (8.66" x 5.91" x 4")

Dosing Volume: Min. 0.5 ml / minute, Max. Continuous 160 ml / minute, Max. Volumetric 320 ml / minute

Quality and Functionality. The cutting-edge GHL PP2 Peristaltic Pump.

• The PP2 peristaltic pump was developed from scratch by GHL and offers outstanding performance in addition to a modern and sleek design.
• Easy maintenance without tools: After moving the pump cover, all internal parts are easily accessible.
• The push-buttons on the front panel allow for quick manual dosing or priming the tubes.

Adapters for flexible tubes

Push-pull fittings allow the use of semi-rigid tubes (OD = 6 mm); flexible tubes can also be used with the supplied adapters.

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