tender for supply, installation and calibration of various lab instruments for measurement of various parameters of water & oil at chemical laboratory, ctpp-o&m, chhabra , coulometric karl fisher automatic titrator (1. method of measurement: coulometric karl fischer titrator for low level (trace level) moisture. 2. measuring range: 10?g to 200mg / 1ppm to 5%. and measurement range [?a] : 0?a to 100?a 3. moisture range : instrument is able to measure trace level moisture 4. resolution : 0.1 ?g water 5. polarisation voltage : variably adjustable from 40 ... 220 mv 6. measurement accuracy without sensor probe : +/- 0.2 ?a +/- 1 digit 7. drift compensation: automatic drift compensation. 8. end point indication: visual display/ acoustic beep. 9. end point criteria: drift, stop drift tolerance min & max titration time. 10. accuracy : 0.3% 11. result: instrument is able to display the moisture content in (mg/kg) /(ppm) / (% h2o) 12. titration vessel : glass vessel 200-250ml 13. no. of methods : 50 14. magnetic stirrer with integrated pump and variable stirrer speed 15. the complete system is hermetically sealed to exclude all possibility of ingress of any external moisture into the system. 16. stirring speed: 50 ... 1000 u/min 17. titration stand: titration stand to hold the titration vessel in position with built-in magnetic stirrer. 18. generator electrode: coulometric cell without diaphragm. 19. detachable cable for generator electrode. 20. sensor electrode: double platinum glass electrode. 21. control: stand alone with compact usb key board and touch pad keys on display. 22. display: min 3.5 inches -1/4 vga tft color display with 320 x 240 pixels with live titration curve. 23. climate: max. relative humidity 80 % 24. ethernet interface: for connecting a local network (lan) 25. measuring speed: max. 1.5 mg/min. 26. a compact usb keyboard should be provided for alphanumeric entries of sample name, sample id and sample weight. 27. data input/output & interface: two rs232