tender for purchase of equipment , purchase of equipment: solar simulator , module :solar simulator equipment that used to simulate solar radiation with a mode of operation during a test cycle and a suitable size of the test area for multiple applications. simulator class the solar simulator has to meet all three of the following test requirements: class aaa i. spectral mismatch: 25% ii. non-uniformity: 2% iii. temporal instability: 2% illumination area = 40 mm x 40 mm beam direction all four directions (top/bottom or side-wise) wavelength range 400 - 1100 nm lamp type replaceable xe annual rate contract lamp (ozone-free) lamp power 100 to 450 w lamp lifetime = 1000 hours light intensity 1 to 1.4 sun (1000 to 1400 w/m2) air mass filter am 1.5g filter working distance 100 mm to 400 mm, shutter system manual or automatic shutter control power supply high-voltage power supply with universal operation to provide electrical power to the xenon lamp and lamp life time monitoring. reference cell and reference meter calibrated reference test cell with recalibration service and a reference meter with digital display to ensure the solar simulator irradiance and the cell temperature are required. sample stage height-adjustable basic sample holding stage/chunk is required lamp replacement xe annual rate contract lamp (ozone-free) replacement assurance is required to ensure class compliance and lifetime. free replacement in the warranty period. computer & accessories desktop monitor: minimum 21 inches (high-resolution) operating system: windows 10 or 11 system, processor: intel i5 or i7 core, memory: 16 gb ram , disk space: 1 tb ssd others: communication ports, peripherals, graphics card, cpu, wireless keyboard & mouse. optional items quartz glass electrochemical cell (50 ml) installation & commissioning the instrument should be installed, tested, and commissioned by a representative of the supplier. a full installation kit and operational manual should be required. warranty & service minimum 24 months warranty & timely service required supply & shipment the company should take care to deliver up to the doorstep @ department of chemistry, bharathiar university, coimbatore-641 046