Terminology - PerkinElmer 200A Series User Manual

Fluorescence detector
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166 Series 200a Fl User's Guide

TERMINOLOGY

Auto zero [A/Z]
Absorbance is electrically adjusted to zero to cancel insignificant parts of data. In common
analytical practice, perform auto zero adjustment immediately before or after the start of
operation.
Auto zero in
The external contact signal can be input for auto-zero adjustment.
Battery backup
This function is incorporated to retain measurement parameters and other analytical
conditions even after power is turned off.
Diffusion plate
This quartz plate is used for diffusion of excitation beam.
Drain port
Equipped for allowing solution leaked from the flow cell/joint to flow to an external waste
bottle.
E-Line
Digital network line dedicated for analytical system.
Emission (Fluorescence) intensity
Unit of measure of fluorescence (relative intensity).
Emission (Fluorescence) wavelength
A particular wavelength of fluorescence emission caused by excitation
Ex (Excitation) wavelength
Used for exciting a sample.
Flow cell
Contains a sample for measurement.
Fluorescence
A kind of luminescence, which is emitted from a sample when a stimulating excitation beam
is given to it.

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