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Tender For supply installation testing and commissioning of 01 no of table top powder xrd at school of physics smvdu kakryal katra - supply and installtion of table top powder xrd with detailed specifications as follows:, x-ray generator: max. continuous rated output: 600 w guidance based software system, voltage: 20- 40 kv with increment of 1kv / current: 2 15ma with increment of 1ma (variable voltage and current). ht stability better than +/-0.01% for mains stability +/- 10 %.x-ray tube:cu target with 1000w and k-beta filter, should be upgradable for cr, co & fe.goniometer:high precision, vertical type, goniometer with theta two theta geometry, range: -3 to +1400 or better, radius: 150mm, scanning speed: 0.01 ~ 100 degree/min, max scanning speed: 500deg/min, sollar slit(incident & receiving): 2.5 deg, incident height limiting slit(dhl): open (10mm), necessary software and hardware for diagnostics capable of checking the equipment parameters/ calibration etc.divergent slit:variable to keep the x-ray illumination of sample same from low angle to high angle of 2 theta. detector:high speed silicon strip detector, it should work in 1d mode. also fluorescence reduction mode should be available. cu efficiency 99% samples holder: glass (0.2mm) qty 20, glass(0.5mm)-qty -20, aluminum (20 mmx20 mm) hole - qty 20, low background si sample holder- qty 02software: guidance based software system software should have a provision for the following: 1) all active operations should be controllable through the software 2)simultaneous data collection and data processing facility. facilities for peak search, peak match, and pattern treatment such as data smoothing, background subtraction, 2 correction, 3d multiple pattern display, k 2 calculation and removal, integrated intensity calculation, relative intensity ratio (rir) quantitative analysis and crystallite size. xrd-rietveld analysis. hybrid search / match algorithms which combines the features of peak based and profile based, phase identification techniques. it offers improves, qualitative analysis performance which makes, identification of crystalline phase with preferred, orientation or a complex lattice deformation.computer systems:latest pc along with latest operating system (latest 8.1 or 10), laser colour printer, necessary software for operation and data acquisition, analysiscod-data base:software is compatible with cod (crystallography open database) which is available on internet. (internal /external ) chiller:suitable compact for smooth running of xrd ups: online 6kva with 30 mts. backup.installation and commissioning: the instrument to be installed tested and commissioned by representative of supplier at our premises to the satisfaction of user free of cost.training: the supplier should provide the training on site free of cost.safety:the system should be housed in a high safety standard radiation enclosure as per international norms.warranty: at least one year from the date of installation(the supplier should provide the certificate of successful installation of benchtop xrd from the head of the department of concerned government labs/ institutes. )
Tender For carrying out ultrasonic testing of flash butt welds (fbw) under traffic conditions on all types of rails using contractor's own rdso approved phased array ultrasonic testing (paut) weld tester as per indian railway procedure order for testing of flash butt welding joints by phased array ultrasonic weld tester, read with latest correction slips, with contractor's own machines and operators, indian railway manual for flash butt welding of rail (reprint-april 2022) read with latest correction slips, indian railway manuel for ultrasonic testing of rails /welds-2022 read with latest correction slips and specifications for ultrasonic testing of rails /welds 2020 ir t-53) and comprehensive guidelines of usfd etc. testing should be capable of detecting flaws at different angles varying from 36 to 76 degrees, complete scanning (head, web and foot) of fb weld joint by recording of all the test data / parameter required along with test a-scan, b-scan, c-scan and s-scan for analysis, displayed in electronic unit/pc unit and classification of weld defect including rail surface preparation for paut tasting compete as per the latest guidelines issued by rb/rdso including submission of report in hard and soft copies, deploying trained operators, analysis of data, consumables, transportation, labour, inspection and test check by railway officials, incidental charges etc. in complete, as per specifications and as directed by engineer-in-charge.the rate includes all type of taxes, levies, royalties etc. and is also inclusive of the incidental charges like labour, fuel, plant & machines, transportation, shifting of machineries, loading, unloading required for completion of the work in all respect as per specification.