supply of multiparameter water quality analyzer multiparameter water quality analyzer ( smart ph meter ) , multiparameter water quality analyzer ( smart ph meter ) , technical specifications • ph range - 2.00 to 20.00, resolution: 0.001 / 0.01 / 0.1 and accuracy: ±0.002 ph. • ion range 0 to 19999ppm, accuracy -±0.5 % of monovalent, resolution: 0.01?sto 0.1ms. • meter should be able to measure ph, conductivity, ion, tds, salinity, resistivity, and temperature. • conductivity: 0-500 ppt, accuracy±1% of the full scale. • tds: 0 to 500 ppt, accuracy ±1% of the full scale. • salinity: 0 - 80 ppt, accuracy ±1% of the full scale. • resistivity-2o to 20m?, accuracy ±1% of the full scale. • resistivity resolution: 0.01 m?; 0.01 or 0.1 o; 0.001 or 0.01 k?. • temperature range: -10 to 110°c with accuracy of ±0.5°c and resolution of 0.1° c with temp. compensation automatic or manuel. • mv range: -2000 to 2000. • mv accuracy:±0.2 mv or 0.05%, whichever is greater and mv resolution: 0.1 • system should be more accurate—0.01 ph resolution with ±0.01 ph accuracy. • previous calibration points, electrode slope and offset and conductivity are stored in memory for quick and easy retrieval. • the meter should have auto 6 point ph buffer recognition for usa, din, nist or custom buffer sets. • the benchtop meter must store and recall min of 500 data sets. • calibrate up to 6 points for ph using usa / nist, din buffer sets for ph &for ion 8points , conductivity 5 points. • comprehensive self-diagnostics makes troubleshooting a breeze. • ph buffer nist tracible 500ml ( 4, 7, & 10 ) must be supplied along with the instruments. • ion selective electrodes must to be upgradable in feature. • meter should feature for glp compliance meter stamps all calibration and stored data with time & date & ce certified. • supplied with rs232 to usb adapter & cable • will be supplied usb to db9 ( m ) rs-232 serial adapter cable. • certification: ce and iso 9001-2000 ( international certifications ) . • warranty should be 3 years for instrument periodic preventive inspection every 3 months during the warranty period. • instrument should be a multinational accepted brand. vendor should be having service facility at kerala, service centre details to be furnished.