January 28, 2012 | 
Author The installation process of Accusys 211 Atomic Absorption Spectrophotometer is not simple. However, this can be mastered easily if you pay proper attention to the guidance for the installation. However, to enhance your convenience, this article has described all the steps in the installation process in necessary steps:
• After you have received your Accusys 211 Atomic Absorption Spectrophotometer from Buck Scientific, the first step is to unpack all the instruments and supplies like Hoses, Regulators, Fittings, Parts bag, gas regulators or other components required for analysis.
• In the buck scientific installation kit you will find gas connection tubes, electric chords for power supply, spared wings for the burner head and display chamber) and all the necessary tools for the installation process or component changing. You need to unpack this kit very carefully as many of the small components can be lost easily.
• After preparing the instruments for instillation, connect the power chord. Make sure you have checked the little red switch and have chosen the appropriate voltage range depending upon the country you are living.
• Depending upon the gases and the accessories supplied with the instrument, you have to make sure the hose fitting is gas tight and is settled between the appropriate gas tank regulator and the back of the instrument. You have to use a color coded tubing, the cut square, nut and then tighten the tubing using your hands first and then with the screw tighter.
• After the hose fittings are gas tight, then you need to settle the safety drain vessel
• And after setting up the safety drain you need to make sure that there is another reservoir ready to check the vessel is working properly.
• After that you have to make sure whether burner sense light is showing the correct lighting. Unless all the instruments are in the place they need to be, these lights will not turn green.
• There is another light for checking the gas pressure and will turn red if the gas pressure is coming to the instrument in any way.
• The third light is for nitrous oxide inner lock that shows whether your nitrous oxide is installed in your burner head spread chamber.
• Another light is meant for the flame sensor to sense if any flammable gas is being inserted from the Spectrometer into the laboratory environment.
• The last light is for sensing whether you have significant pressure and flow of the settling gas to ensure a switch over from an air settling flame to a nitrous oxide settling flame.
• For proper operation of the 211 AAS, you need to make sure the basic set up is maintained within the instrument, which is
Air = 60- 75 psi
Nitrous Oxide = 75 psi
Acetylene = 12-15 psi
Power=110-120 V / 10-15A (USA)
Or, 208-240 V (international)
• The last step before you can start with the analysis part is to insert the H-C lamp. The end of the lamp has two electrodes and a plug with a key on it that need to be placed with a slot in the appropriate cap. The number on the end of the socket must match with the number of the top of the turn.
• After the physical set up is complete, you can run the basic operation. There is a library of stored methods for all the elements that you can analyze using the equipment.
• To begin with you can press the Li key to insert into the library. Then using the select key, you can pick the appropriate lamp number. With the up/down arrows, the appropriate elements files are selected.
• Furnace methods are tagged as FURN and Hydride methods are tagged as Hydride.
• Once the correct file is loaded, you need to press 2 and enter to load the file into the appropriate lamp position.
• Then you can press the escape key and follow the directions to help align the wavelength maximizing your energy by setting the appropriate scrawl on the right hand side of the equipment
• Then you set press the align key to see the graph or the number displayed on the screen for your analysis.
• To determine the energy coming from the optical system you can use the two silver turners on the top of the safety cap of the H-C lamp.
• One the system is optimized you can press the zero key to record the energy of the H-C lamp.
• Now your system is ready for making proper analysis.
For the complete operation method of the Spectrophotometer, you can consult with the video tutorial that will help you through the process.
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