Heads are available in 2 colours and with a modern design with individually adjustable numerical sample identification to help distinguishing between inlet and outlet.

• Menu driven.
• With backlit LCD graphical display.
• Control LED.
• 3 operating keys.
• For a direct output of BOD measuring values on the display.
• Preselection of volume.
• Selectable measurement period (1 to 7 days).
• Curve display.
• Instantaneous value output.