procurement of one thermo-gravimetric analyser ( tga ) for proximate analysis of coal for chemical laboratory, btps under capex 2023-24. , thermo gravimetric analyser for proximate analysis of coal additional data: a ) specifications: 1. model: anyone of the following, ( i ) tga-801, part no.-tga801-scr, make - leco corp, usa or ( ii ) prepash 219, part no.-340-9221-002, make - precisa gravimetrics ag, switzerland. or ( iii ) eltra thermostep ( dual carousel, made of nickel alloy steel ) , part no.- 88100-3001, make- eltra, germany. 2. sample mass: 1 gm ( nominal ) . 3. furnace temperature range: up to 1000 deg c or better. 4. temperature accuracy: 2% of setpoint or + / - 2 deg c or better. 5. temperature stability: 2% of setpoint or + / - 2 deg c or better. 6. instrument must provide variable temperature ramp rate capabilities of at least 45 deg c per minute. 7. balance resolution: 0.0001 gram or better. 8. balance readability: 0.0001 gram. 9. testing time: less than or equal to 300 minutes. 10. the analyser should be capable of analysing 19 samples or more and one reference sample simultaneously. 11. weighing range of balance should be within 0.10 gram to 5 gram or more. 12. auto stop facility should be available in the supplied system to stop the analysis with programmed steps at pre-defined loss of weight. 13. supplied system should be controlled by required software and should be programmable with at least 5 steps for various applications. 14. supplied software should provide graphical representation of the analysis and reporting. 15. instrument must provide a dual type thermocouple, one will prevent the overheating and another will measure real time temperature. 16. gas flow control unit must be provided to allow visible control of gas flow. 17. should be compliant with astm d-7582 standards or latest version for coal proximate analysis which must be mentioned in the offer. 18. rs232 or usb interface should be provided. system should be capable to be connected in lims. 19. instrument software must dynamically display average, standard deviation, and relative standard deviation for sample replicate sets while achieving all data and offering user defined filters. 20. instrument software must contain customizable method parameters that include pre-defined methods for astm d-7582 standards or latest version compliance; temperature settings and ramp rates; atmosphere settings; hold times; sample mass comparator settings; sample result equations for all method steps and sample reporting settings. 21. balance and temperature calibration facility should be available in the system. 22. system should be supplied with at least 50 number of ceramic crucibles along with lids and other required accessories for smooth operation and installation of the system. 23. the instrument should be supplied with at least two coal crm. however, if any dispute arises in any specification, the preference will be given on the above mentioned model and its part number. b ) essential accessories: 1. a ) oil free and moisture free air compressor of at least 6 bar: 1 set or b ) two gas cylinders ( capacity:47 liter w / c ) with ss regulator dual stage filled with compressed air. 2. two gas cylinders ( capacity:47 liter w / c ) with ss regulator dual stage; oxygen and nitrogen: 2 set. 3. instruction manual ( original ) both hard and soft copy :1 set. 4. a branded ups with rating of 10 kva or higher with at least one hour backup should be supplied along with the basic instrument.: 1 set. 5. branded laser colour printer: 1 set. 6. compatible branded computer / all in one pc ( dell / hp ) having processor intel core i-5, 8gb ram, 1tb hdd, dvdrw, 22 inch led monitor, keyboard, mouse ms win 10 professional original. ms office preloaded, adobe acrobat preloaded with 1 year warranty: 1 set. 7. crm standard coal sample: crm coal standard sample should be provided with following range: vm ( 3 nos. ) : i ) 10% to 20% ii ) 20% to 30% iii ) 30% to 40%. ash ( 4 nos. ) : i ) 10% to 20% ii ) 20% to 30% iii ) 30% to 50% iv ) 50% to 65%. every crm shall be in compliance with nabl 17034. 8. calcium oxalate ( crm ) : 50 grams. 9. the instrument shall perform satisfactorily and shall provide warranty for a period of 24 months from the date of complete installation.10. instrument should be supplied with at least 50 numbers of ceramic crucibles along with lids. 11. all the required accessories & consumables ( if any ) during installation of the instrument will be in the vendors scope. , gst, if any => limited