jjm2021- 22 procurement of 82 nos turbidity 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 turbidity 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 turbidity meters for various quality control laboratories of kerala water authority , supply and installation, validation including warranty of three year of turbidity meter with the following specifications measurement method: nephelo metric method ;range: 0 to 2000ntu, auto range selection (four ranges 0.01ntu to 19.99ntu with 0.01ntu resolution) 20.0ntu to 99.9ntu with 0.1ntu resolution, 100ntu to 2000ntu with 1ntu resolution ; accuracy: ?0.1ntu for 0.02ntu standard , ± 2 % for reading, ±1 digit for 0-500ntu ± 3% of reading, ±1 digit for501-2000ntu or better; repeatability: ?± 1% of reading or better; calibration: 4 points or more (auto selection); light source: infra red emitting diode 850 nano meter wave length ;display type lcd; iso 7027 compliant ;minimum turbidity 0.01ntu ;operating temperature 0°cto 50°c ;shall provide calibration standards 0.02ntu, 20ntu, 100ntu and 800ntu (minimum 50 ml);power: appropriate alkaline batteries (? 1000 readings) or 230v+/-10% , 50hz ;cuvette : 3 nos minimum .sample volume : 10ml .water proof instrument; instrument manual with specification details (hard copy) to be provided; shall provide test certificate of the instrument with traceability from the manufacturer; values obtained for 0.02ntu , 20ntu , 100 ntu and 800 ntu standards shall be included in the test report . iq/oq/pq documentation shall be provided. ce certification shall be provided ;crm for calibration during pq shall be supplied by kwa; warranty : 3years for the entire equipment