beautypg.com

Jenway 73 Series PC software User Manual

Page 34

background image

34

At continue click Yes, to cancel click No or Cancel. If the wavelength is changed then the baseline

must be performed again at the new wavelength and scan interval, before a sample can be

measured. Alternatively a new spectrum tab can be opened and the required settings can be entered.

5.3

SAMPLE MEASUREMENT

Insert the cuvette containing the

sample into the sample chamber and

close the instrument lid.

Click on the Scan button; the

instrument initiates the scan and the

live spectrum scan is displayed on

the screen. The results are also

displayed in a table. To stop the scan

before completion click on the Stop

button. To restart the scan click on

the Repeat button – the scan is

restarted from the beginning.

If the same sample needs to be measured more than once click on the Auto Log button. The

instrument will perform the required number of readings with the specified time interval between each

measurement. Unlike with photometrics, concentration and quantitation the Auto Logged results will

not be displayed on the same screen. For each repeat measurement required a new tab is

automatically opened, displaying the new spectrum scan and results.

Auto logging can be stopped

before all the measurements have been completed by clicking on the Stop button. To recommence

auto logging click on the auto log button again.

If the settings menu is re-entered following sample measurement it is not possible to change the start

and end wavelengths or the scan interval. A new spectrum tab can be opened and the new

wavelength can be entered.

Once the spectrum scan is complete the post analysis tools become active.