Harnwell Chemicals Corporation

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Jenway 73 Series Spectrophotometers

The new 73 series introduces four new spectrophotometers to the extensive Jenway range. The 7300 and 7310 cover the visible range of the spectrum and the 7305 and 7315 use a flash xenon lamp to extend the wavelength range into the UV region of the spectrum. The basic models, 7300 and 7305, have measurement modes for absorbance, % transmittance and concentration. The advanced models, 7310 and 7315, introduce scanning, kinetics and quantitation measurement modes to the range. The 73 series spectrophotometers are ideal for use in education and routine quality control applications.


These spectrophotometers use icon driven software and have an improved navigation system for easy and intuitive usability. All four models have a narrow spectral bandwidth of 5nm. These units have been designed to take up a small area of bench space with the additional option of an integrated printer.


The 7310 and 7315 models have the added feature of saving results to USB memory stick for easy transfer of data. Each model has autologging capabilities, for simple and instant results storage. They are all supplied with free PC software and there is an extensive range of accessories available.


Technical Specification
Model 7300 7305 7310 7315
Wavelength 320 to 1000nm 198 to 1000nm 320 to 1000nm 198 to 1000nm
Light source Tungsten halogen lamp Xenon lamp Tungsten halogen lamp Xenon lamp
Resolution 1nm 1nm 1nm 1nm
Accuracy ±2nm ±2nm ±2nm ±2nm
Repeatability from 0.01% to 6% ± 0.15 from 0.01% to 6% ± 0.15
Bandwidth from 0% to 70% ± 3.0% from 0.01% to 6% ± 0.15
Transmittance from 1°C to 40°C ± 1°C from 0.01% to 6% ± 0.15
Absorbance from -0,4 to -0,7°C ± 0.001°C from 0.01% to 6% ± 0.15
Salts from 0,4 to 1,5% ± 0.05% from 0.01% to 6% ± 0.15
pH from 0 to 12 ± 0,05% from 0.01% to 6% ± 0.15
Total solids from 0 to 50 % ± 0,17% from 0.01% to 6% ± 0.15
Conductivity (option) from 3 to 14 (mS/cm) ± 0,05% from 0.01% to 6% ± 0.15