jjm2021-22 procurement of 82 nos conductivity tds temperature bench top 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 conductivity tds temperature bench top meter for various quality control laboratories of kerala water authority , jjm-2020-21-setting up / upgradation / operation of laboratories for wqm&s - procurement of 82 nos conductivity/tds/temperature bench topmeters for various quality control laboratories of kerala water authority , supply and installation, validation of conductivity/tds/temperature bench top meters with the following specifications 1)conductivity:- range: 0.05μs/cm to 500 ms/cm ; resolution: 0.01/0.1 μs/cm, 0.001/0.01/0.1ms/cm ; accuracy: ±1.5% of full scale ; cal.points : 4 points2)tds:-range: 0.05ppm to 500ppt ; resolution: 0.01/0.1ppm, 0.01/0.1ppt ; accuracy: ±1% of full scale3)salinity:-range: 0 to 80ppt ; resolution: 0.01/0.1ppm, 0.01/0.1ppt ; accuracy: ±1% of full scale4)resistivity:- range : 2 ohm to 20 mega ohm ; resolution: 0.01/ 0.1ohm 0.001/0.01/0.1k ohm, 0.01 m ohm ; accuracy : ±1.5% of full scale 5)temperature (atc/mtc) range: 0 to 100°c/32 to 212 f ; resolution: 0.1 °c / 0.1 f ; accuracy: ±0.3°c/ ±0.5 f ; coefficient: linear & pure: 0.00 to 10.00% ;normalization: 15°c to 30°c 6)meter & electrode features:(i) should be glp compliant with test report of the instrument with traceability from the manufacturer .values obtained for 1.41 ms/cm kcl at 25 °c shall be included in the test report (ii) cell constant selection 0.05 to 10 or better and cell constant of supplied electrode shall be 0.5 (iii) electrode with built- in atc shall be provided(iv) electrode shall have 4 cell rings with graphite / platinum black sensors and epoxy/ glass body (v) electrode and instrument shall be of same manufacturer ; should supply non corrosive electrode stand (vi)data logging (vii) memory 500 data set(viii) custom lcd display /graphical lcd display(ix) output-rs232/usb (x)hard copy of instruction manual with instrument and electrode specification shall be submitted (xi) iq/oq/pq documentation shall be provided(x) crm for calibration during pq shall be supplied by kwa. warranty - 3 years on meter and 6 months on electrode