Tender For supply of laboratory items for govt college, jayal, nagaur-341023 - chemistry, hot air oven triple walled in construction with inner made of stainless steel & exterior of steel with powder coat finish. food grade silicon rubber gasket which acts as a perfect sealant. high density compressed 100 mm glass wool insulation between the walls to prevent heat dissipation. a fully insulated rigid door fitted with heavy duty hinges and ball catch locking system. temperature controlled by dual led display microprocessor based temperature controller & pt 100 sensors. heating elements are made of high grade nichrome wire and provided on the side walls of the chamber. air circulation by motorized blower placed on top of the oven. exhaust/ventilation provided on either sides. left & right sides of the inner chamber are duly perforated for proper air circulation & to maintain uniform temperature within the chamber. available with removable ss rod shelves 3 nos. temperature range: 5 c above ambient to 250 c. temperature accuracy: 0.5 c or better. working space 18 x 18 x 18 inch or capacity 95 liter. operates on 230 volts ac single phase 50 hz. safety feature: capillary type thermostat provided to take care of temperature overshoots, working space (wxdxh)inch: 14x14x14 capacity: 45 ltrs. watts: 1500 shelves: 2 nos., digital melting point apparatusmelting point apparatus with 4 digit, 7-segment led display is designed for accurate measurement of melting points and for checking the melting range of the solid samples. the apparatus consists of a silicon bath of about 200 ml capacity, covered with teflon cover with 3 holes fitted, with a special type of oil immersion heater having three holes for holding the capillaries, one for boiling point tube and one for the thermometer. the apparatus consists of in-built magnetic stirrer, an electronic controller with indicator for precisely adjusting the rate of heating of silicon oil-bath, an on/off switch, a pilot lamp, with magnifier, a glare free background illuminator, a high/low range temperature selector switch and digital temperature indicator with sensor extremely useful for pharmaceutical industry 4 digit 7-segment led display display 4 digit, 7-segment led display temperature 0 300 c resolution 0.1 c, sample amount fine powder properly dried at a temperature considerably below its melting point 4 6 mm high oil-bath silicon oil-bath beaker 200 ml capacity with teflon cover fitted with oil immersion heater. it has three holes for holding the capillaries, boiling point tube and thermometer stirrer speed controllable with front knob power 230 v 10%, 50 hz. ac dimensions 315 x 290 x 290 mm (l x b x h), analytical balanceinternal calibration (weigh sensor) to match the highest international standards. internal calibration fully automatic motorized internal built in weights calibration. perfect self auto calibration (psac) when the ambient temperature changes by a specific value or once a defined time interval has elapsed, it performs internal calibration. overload protection capacity tracker built into display for easily monitoring possible overloads. excellent readability high-contrast, backlit display 15mm digits size is exceptionally easy to read under any room lighting conditions. below weighing hook hook for weighing below the balance. automatic shut off for power saving mode, maximum capacity 220 gm minimum load 10mg readability 0.1 mg repeatability (sd) 0.1 mg linearity ( ) 0.2 mg, tare range (subtractive) 220 gm usp minimum weight 160 mg pan size (mm) 90 response time 2 - 3 sec. display alpha numeric backlite lcd display calibration motorised internal calibration units of measure gm, mg, ct, gn, mo, oz, dwt, t1t, t1h, t1s, mom, bat, ms operating temp. 18 to 30 c sensitivity drift. 2ppm (2 x 10 / c) -6 optional usb (windows direct communication). application modes pcs, % weighing, animal / dynamic weighing, check weighing, automatic density determination, formulation automatic st
Tender For corrigendum : supply of genetics lab equipments - fluorescent microscope with karyotyping and flash software complete with pc and printer, hybridization machine, ph meter, vortex shaker, spin win micro centrifuge with 1.5/2.0ml, spin win micro fuge with pcr tube/strip rotor, assembly for media preparation with suction pump complete with oil free vaccum pump, refrigerator, incubater, water bath
Tender For purchase of various apparatus/instruments required for department of chemistry, chaudhary ranbir singh university, jind - stirrer- the stirrer should be made up of ceramic coated aluminium alloy top with digital speed and temperature control. the stirring speed should be 50-1500 rpm or better. the stirrer should be operational up to a temperature range of 300oc with an accuracy of 1.0oc and ip 42 protection class. the input power should be 600 w or above. the stirrer should be supplied with hemispheric bowl (100 ml= 1 no; 250 ml= 1 no) to replace oil baths and mantles in order to perform clean and safe analysis with round bottom flasks.warranty must be one year., electronic balance- the electronic balance should have a maximum weighing capacity of 200 g or more with a resolution and repeatability of 0.1 mg, and a response time of 5 sec or better. the system should have automatic internal calibration with touch screen display. the system should have internal database capacity of 2500 or more with multiuser password protection feature. warranty must be one year., vaccum pump - the pump should be operational at a maximum power of 65 w or more with a max. vaccum of 99 mbar or more. the pump should be fitted withvacuum and filter cartridge., hot air oven- the inner chamber should be made of stainlesssteel and the outer chamber should be m.s powdercoated. the maximum capacity of the oven shouldbe 100 ml or more. the operational temperatureshould be between ambient to 250oc or more witha temperature accuracy of 1o c. pid based digitaltemperature control., double distillation unit- the unit should be pyrogen free with a distillation water output capacity of 1.5 l/h. the minimum cooling water requirement should be 1lt/min. auto-power cut facility in case of halted supply of water., circulating oil bath- the oil bath should be made up of stainless steel with 4 digit 7 segment led display for temperature and time. the bath should have s.s perforated tray for holding flasks. the bath should have a capacity to accommodate flask of 1l. the working temperature range should be +5 to 240oc (0.1oc increment) with a temperature stability of 1oc, water bath- the water bath should have a capacity of 20 l within built water level sensor. the bath should be made up of stainless steel and supplied with 8 concentric rings. the bath should have digital temperature control with pt100 sensor. the system should have stirring capability with ptfe magnetic bars., ph/ condutivity meter - operational between a ph range of -2 to 16.00 with a resolution of 0.01 ph and an accuracy of 0.02 ph. 5 points calibration. the ec range shouldbe in between 0.00 to 29.99 s/cm, uv cabinet- operational at two uv wavelengths (254 and 365 nm). the cabinet should also be equipped with one visible light. the external body should be coated with ms powder/epoxy., flame photometer- application: the flame photometer is used for qualitative and quantitative determination of several cations, especially for metals that are easily excited to higher energy levels at flametemperature. these metals include na+, k+, ca2+, ba2+ and li2+.specification requirementmeasuring range na+: 0 to 99.9 ppm k+:0 to 99.9 ppm ca 2+ :0-99.9 ppmli 2+: 0 to 99.99 ppmsensitivity na+= 0.1 ppmk+ = 0.1 ppmspecificity less than 0.5% interference when concentrations are equal to test sample concentrationsgas control-adjustable with knobsignition system-auto ignition systemflame failure-auto detectiongas cut off-automaticreproducibility-less than 1% coefficient of variation for 20 consecutive samplesusing 10 ppm na set as maximum standardlinearity-less than 1%display led, 12.5 mm (1/2")fuel supply-high-grade propane/butane mixture regulated at approximately30 psiair supply-6 l/min at 12 psi; oil and moisture freerecorder-output 0.05 to 5 v (switchable)operating manuals, service manuals, other manuals should provide user, technical and maintenance manuals in english language list of equipment and procedures required