supply, installation and commissioning of x band cw epr spectrometer , supply, installation and commissioning of x band cw epr spectrometer (refer annexure 11 technical specifications) , magnet (refer annexure 11 technical specifications) , epr spectrometer system(refer annexure 11 technical specifications) , epr-x band generator (refer annexure 11 technical specifications) , resonator tuning and matching (refer annexure 11 technical specifications) , microwave frequency counter (refer annexure 11 technical specifications) , q-factor display (refer annexure 11 technical specifications) , high sensitivity probe head (refer annexure 11 technical specifications) , temperature control systems (refer annexure 11 technical specifications) , chiller (refer annexure 11 technical specifications) , data storage and software (refer annexure 11 technical specifications) , workstation with windows /linux with pentium color display 21.5” flat screen monitor with 1 tb hdd(refer annexure 11 technical specifications) , operating system installation package (refer annexure 11 technical specifications) , laserjet color printer or equivalent (refer annexure 11 technical specifications) , calibration standards (dpph, strong pitch and weak pitch samples) (refer annexure 11 technical specifications) , single line reference marker for quantitative epr with g factor =1.98(refer annexure 11 technical specifications) , accessory for recording spectrum in organic solvents (refer annexure 11 technical specifications) , finger dewar (refer annexure 11 technical specifications) , optional 1: helium vt unit(refer annexure 11 technical specifications) , optional 2:suitable for variable temperature experiments with liquid helium (3.8 k to 300 k) mention the necessary requirements (refer annexure 11 technical specifications) , optional 3: the spectrometer should be compatible for upgrade to employ q-band frequency operating frequency: 34 ghz microwave power: 50 mw signal bandwidth: 30 hz-400 khz power attenuation range: 50 db in 1 db steps frequency counter: integrated afc stability: 10-6 (refer annexure 11 technical specifications) , optional4: • resonator: for vt from 4 k to 300 k (liquid/gaseous nitrogen or helium) optical access: 12 mm optical window at q band modulation frequencies: 4 khz to 100 khz, full range of signal channel sensitivity: absolute 1 109 spins/go2 in air 200: 1 (refer annexure 11 technical specifications)