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• Has been subjected to severe transport stresses

Performance

Carry out performance checks with particular reference to wavelength and absorbance

accuracy to ensure that the spectrophotometer is working within its specification,

especially when making measurements of an important nature. Performance checks are

detailed in this manual.

Radio Interference

For compliance with the EMC standards referred to in the EC Declaration of Conformity,

it is necessary that only shielded cables supplied by Cole Parmer are used when

connecting the instrument to computers and accessories.

Introduction

The newly redesigned Cole Parmer 1200/1201 Spectrophotometers are single beam,

general purpose instruments designed to meet the needs of the conventional laboratory.

Cole Parmer 1200/1201 is ideal for various applications, such as: Clinical Chemistry,

Biochemistry, Petrochemistry, Environmental Protection, Food and Beverage Labs,

Water and Waste Water Labs, and other fields of quality control.

Featuring a digital display of photometric result, easy operation, and wavelength range

of 325 nm~1000 nm, Cole Parmer 1200/1201 are ideal for measurements in the visible

wavelength region of the electromagnetic spectrum.

The spectrophotometer consists of five parts:

1) Light Source (Halogen Lamp) to supply the light;

2) A Monochromator to isolate the wavelength of interest and eliminate the unwanted

second order radiation;

3) A Sample Compartment to accommodate the sample solution;

4) A Detector to receive and convert the transmitted light to an electrical signal;

5) A Digital Display to show absorbance or transmittance. Figure-1 illustrates the

parts.

relationship between these

100%T

0 A

Light Source

Monochromator

Sample Compartment

Detector

Digital Display

Figure-1

Block Diagram for the Spectrophotometer