equipment , purchase of equipment , configuration design •multichannel electrochemical workstation containing a minimum of 2 channels with impedance •system should have a minimum of two potentiostat/galvanostat modules in single cabinet to operate independently and simultaneously 1. general description •chassis: multichannel single chassis •a minimum of two channels should have electrochemical impedance spectroscopy (eis) measurements 2. specification for channels •cell connection: 4 (we, s, ce and re) •channels required: a minimum of 2 channels must be equipped with eis facility •compliance voltage: 20 v or better per channel •applied voltage: ±10 v or better per channel •maximum output current: ± 400 ma or better •current ranges: ± 10 na to 100 ma or better •resolution of applied/measured potential: 3?v or better •voltage accuracy: 0.1 % of full-scale range or 3 ?v or better •measured current resolution: 800 fa on lowest current range or better •frequency range: 10 ?hz to 1 mhz or better •impedance accuracy/resolution: 1%& 1° at 1hz or 0.003% •gain bandwidth range of amplifier: 1 mhz or better •bandwidth of electrometer: 1mhz or better •input bias current: 20 pa or better •possibility to upgrade to high current up to 10 a or better using booster •provision to connect external devices or use optional accessories •internal resistance determination •acquisition rate: 1000,000 samples/second 3. complete software with the following specification •software should be capable of supporting a wide variety of electrochemical techniques especially mentioned below. 4. electrochemical impedance •two channel should have eis measurement facility with frequency range 10 ?hz to 1 mhz or better 5. desktop computer •pc i5 (or higher), 8gb ram, 1tb hdd, 22 led monitor (or higher), ssd: 512 gb, windows 10 os (or higher), wired keyboard and mouse. •shouldbeprocured from india 6. optional accessories 7. general terms and conditions warranty:3 years manufacturer’s warranty certificate. vendor should be an authorized provider of sophisticated high-precision potentiostat/galvanostat systems for past 15 years or more with: •a proven track record in multiple countries and national institutes •standard quality certifications such (iso 9001) •5+ past installations of similar systems in india. • compliance statement should be enclosed with the quotation. • please provide cost split up of each accessory. • mention the cost of optional accessories separately.