jjm2021- 22 procurement of 82 nos micro processor based bench top ph meter for various quality control laboratories of kerala water authority jjm 2021-22 setting up upgradation operation of laboratories for wqms procurement of 82 nos micro processor based bench top 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 82 nos micro processor based bench top ph meter for various quality control laboratories of kerala water authority , supply and installation, validation including warranty of micro processor based bench top ph meter with the following specifications ; ph:- range: 0.000 to 14.000 ; resolution: 0.1 / 0.01 / 0.001 ph ; repeatability: ± 0.003ph; accuracy:± 0.003 ph ; cal.points 5 points ; buffer options: usa, nist, custom; orp:- range: ±1999.9 mv; resolution: 0.1 mv; repeatability:± 0.2mv; accuracy:± 0.2mv ; temperature: range: 0.0 to 100°c;resolution: 0.1°c;repeatability: ±0.4°c ; accuracy: ±0.4°c ; 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 ) off set / slope should be displayed ; ( ii ) should have data logging facility; ( iii ) output rs232 / usb ( iv ) memory 500 data sets minimum; ( v ) power 230v ±10%; ( vi ) buffer set : usa ph 4.01, 7.00, 10.01 minimum 100ml each shall be supplied with the instrument; ( vii ) should provide electrode filling solution ( minimum 100ml ) ( viii ) should provide hard copy of user manual with instrument and electrode specification ; ( ix ) compliance: glp with test certificate 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; ( x ) iq / oq / pq documentation shall be provided ( xi ) crm for calibration during pq shall be supplied by kwa ( x ) should supply non corrosive electrode stand. ( xi ) warranty: 3 year for the meter and 1 year forthe electrode