Novaspec III has been designed for use in the student teaching laboratory; it is a rugged, light in weight instrument with no moving parts making it both highly portable and highly reliable. A fully automatic calibration at switch-on gives confidence in its use.Novaspec III has a large display so that small groups of students can work around the instrument and all see the results if necessary; it will only measure in the modes of interest to this category of user – absorbance, % transmission, concentration and rate – yet has the capability to download all results and a full wavelength range scan down to PC. This is due to Grafico, the PC utility software package that is delivered with every instrument together with the requisite serial lead. Grafico also includes a full tutorial on the technique of UV/Visible Spectrophotometry. When combined with the three student user experiments that are described in the user manual, a highly interesting package for technical staff is available.The instrument is extremely easy to use; just select wavelength, set reference and measure sample. In rate mode, a kinetics assay can be followed at two wavelengths simultaneously; for the first time on this level of product, the student can follow in real time both the increase in absorbance as product is formed with the concomitant decrease as reactant is used up.The cell holder supplied with Novaspec III accepts standard 10mm pathlength glass or plastic cells (adapters are available to convert it to accept 10, 12 and 16mm diameter test tubes). It can be removed for cleaning - or flushed through with water in situ – if spillages occur.
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