User Manual

LIFE SCIENCE MENU OPTIONS

SECTION 11 – Concentration Plus

The concentration plus measurement mode enables simple measurements of absorbance, %transmittance

and concentration to be performed. In this measurement mode it is possible to calibrate against a

standard of a known concentration or use a known factor. The sample is measured at one wavelength

at one point in time. There are no post measurement calculations available in this measurement mode.

11.1 MODE SPECIFIC PARAMETERS

The concentration plus operating menu enables

measurement parameters to be changed. The utility

toolbar on the left hand side of the screen enables access

to printing, print setup options, results, methods and

autologging options. For more details on the different

functions of the utility toolbar refer to section 17. The

settings icon enables the wavelength, units, resolution,

standard, factor and dilution factor to be set.

The Abs/%T icon enables the display to be set to show the absorbance or % transmittance. To change

the display press the key adjacent to the Abs/%T icon. Repeat presses will cycle the display between

absorbance and % transmittance.

Fig 11.1.1 - Operating Menu

11.2 METHOD SETUP

11.2.1 Selecting a Wavelength – Operating Menu

The wavelength can be adjusted in the operating menu

or in the settings menu. To adjust the wavelength in the

operating menu, use the keys adjacent to the arrow icons

to increase or decrease the wavelength.

Operating Menu

Print/print settings

Results selection menu

Method selection menu

Autolog menu

Calibrate

to zero

Measure

sample

Settings

Switch display Abs/%T

Increase wavelength

Decrease wavelength