jjm2021- 22 procurement of 7 nos micro processor based bench top touch screen ph meter for various quality control laboratories of kerala water authority jjm 2021-22 setting up upgradation operation of laboratories for wqms procurement of 7 nos micro processor based bench top touch screen ph meter for various quality control laboratories of kerala water authority , jjm-2021-22-setting up / upgradation / operation of laboratories for wqm&s- procurement of 7 nos micro processor based bench top touch screen ph meter for various quality control laboratories of kerala water authority , supply and installation, validation including warranty of micro processor based bench top touch screen ph meter with the following specifications; ph:- range: -2 to 20.000ph;resolution: 0.001 ph; repeatability: ±0.002ph or better; accuracy: ± 0.002 ph; cal.points 5 points ; buffer options: usa, nist, custom; orp:- range: ± 1999.9 mv or better; resolution: 0.1 mv; repeatability:± 0.2mv or better; accuracy: ± 0.2mv or better; temperature :range: -5°c to 100°c ; resolution: 0.1°c;repeatability: ±0.4°c or better; accuracy: ±0.4°c or better ; electrode specification: double junction toughened glass / unbreakable electrode with filling solution; shall provide atc ; meter and electrode shall be of same manufacturer; meter features: ( i ) should be touch screen model and the screen size shall have minimum size to facilitate easy and convenient operations ( ii ) graphical lcd ( iii ) electrode status on screen display ( iv ) calibration due alarm ( v ) off set / slope should be displayed ( vi ) data logging facility ( vii ) output rs232 / usb ( viii ) memory 2000 data sets minimum ( ix ) power 230v ±10%, 50hz minimum ( x ) buffer set: usa ph 4.01, 7.00, 10.01 ( minimum 100ml each ) ( xi ) should provide electrode filling solution ( minimum 100ml ) ( xii ) should supply non corrosive electrode stand ( xiii ) compliance: glp with test report of the instrument with traceability from the manufacturer . values obtained for the ph 4.01 , 7.00 and 10.01 at 25 degree c shall be included in test report ( xiv ) should provide hard copy of user manual with instrument and electrode specification ( xv ) iq / oq / pq documentation shall be provided ( xvi ) crm for calibration during pq shall be supplied by kwa ( xvii ) warranty: 3years for meter and 1year for the electrode