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CTN :39278341 Due date: 10 Mar, 202510 Mar, 2025 NA
Tender For corrigendum : procurement of non polorising optical components - 25 4 mm broadband dielectric mirror , 25 4 mm broadband dielectric mirror 1 , 12 7 mm broadband dielectric mirror , plano convex lens of diameter 25 4 mm with focal length 300 mm , plano convex lens of diameter 25 4 mm with focal length 500 mm , plano convex lens of diameter 50 8 mm with focal length 100 mm , plano convex lens of diameter 50 8 mm with focal length 200 mm , positive meniscus lens of diameter 25 4 mm with focal length 100 mm , positive meniscus lens of diameter 25 4 mm with focal length 300 mm , achromatic doublet of diameter 25 4 mm with focal length 200 mm , 1 2 matched achromatic pair f1 25 mm f2 50 mm , mounted prism pair mag 2 0 , 25 mm mounted absorptive nd filter sm1 threaded mount optical density 0 1 , 25 mm mounted absorptive nd filter sm1 threaded mount optical density 0 3 , 25 mm mounted absorptive nd filter sm1 threaded mount optical density 0 5 , 25 mm mounted absorptive nd filter sm1-threaded mount optical density 0 7 , 25 mm mounted absorptive nd filter sm1 threaded mount optical density 0 9 , 25 mm mounted absorptive nd filter sm1 threaded mount optical density 1 3 , 25 mm mounted absorptive nd filter sm1 threaded mount optical density 2 0 , 25 mm mounted absorptive nd filter sm1 threaded mount optical density 4 0 , 25 mm mounted absorptive nd filter sm1 threaded mount optical density 6 0 , 25 mm mounted absorptive nd filter sm1 threaded mount optical density 8 0 , 25 mm bandpass filter with centre wavelength 780 nm and fwhm 10 nm , spanner wrench for sm1 threaded retaining rings , optical component threading adapters with c mount threads , positive 1951 usaf resolution test targets , negative 1951 usaf resolution test targets , laser viewing cards

CTN :39425166 Due date: 12 Mar, 202512 Mar, 2025 19.58 Lacs
Tender For lab equipment for physics lab as per boq - procurement of physics lab equipment, millikans oil drop 1. gap between parallel plates : 5 mm 2. voltage supply between the plates: 140 800v dc continuously variable o regulation : 0.1% o stability : 1 digit 3. voltmeter : 3 digit led 4. illumination between the plates : led 5. microscope : magnification 30x 6. time meter : 0 999.9 sec 7. monitor: 420 tvl, lcd monitor 8. input power supply : 220v ac/50 hz 9. density of the oil used: 929 kg/m, fresnel bi-prism1. optical bench, 1000mm- 1 2. riders, lateral adjustment -2 3. riders, plain- 2 4. sodium lamp, 20w, 110v 1 5. adjustable slit -1 6. biprism carrier, adjustable 1 7. lens carrier, plain 1 8. eyepiece carrier, adjustable 1 9. micrometer eyepiece 1 10. ground glass screen- 1 11. eyepiece adapter ring -1 12. height fixing collar -3 13. biprism 1 14. lens, f = +150mm 1, cascade control trainer1.power supply: 220v ac / 50 hz or as per regional requirements 2.temperature range: ambient to 100 c or higher.3.flow rate range: 0 10 l/min (or adjustable based on application). 4.pressure range: 0 2 bar (or customizable).signal types: input: 4 20 ma, 0 5 v, 0 10 v (selectable). output: 4 20 ma, 0 5 v, 0 10 v (compatible with actuators).accuracy: 0.1% of full scale. response time: 100 ms. pid parameters: adjustable proportional, integral, and derivative gains., celeastron nexstar evolutionoptical deisgn: aplanatic schmidt-cassegrain aperture: 235 mm focal length: 2350 mm focal ratio: 10 focal length of eyepiece: 26 mm included barlow lens: omni 2x magnification of eyepiece: 90xmagnification of eyepiece with barlow: 180x finderscope: starpointer pro star diagonal: 2 mount type: single fork arm altazimuth tripod: stainless steel power requirements: internal battery included highest useful magnification: 555x lowest useful magnification: 34x limiting stellar magnitude: 14.4resolution (rayleigh): 0.59 arc seconds resolution (dawes): 0.49 arc secons light gathering power (compared to human eye): 1127xoptical coatings: starbright xlt secondary mirror obstruction: 3.35 in (85 mm) secondary mirror obstruction by diameter: 36%secondary mirror obstruction by area: 13%optical tube length: 22 intotal telescope kit weight: 21.14 kgmax slew speed: 4 degrees per secondtracking rates: sidereal, solar and lunaralignment procedures: skyalign, 3-star align, solar system aligncommunication ports: 1 hand control and 3 aux ports for optional accessoriesapp database: over 120,000 including 220 of the best deep sky and solar system objectsusb charge port: yes, spin coating unitprograms10 programs with up to50 steps each15 programs with up to50 steps eachspeed stability 2% 0.25%speed 120 rpm to 6,000 rpm 500 rpm to 10,000 rpmspin time 1 s- 1,000 s 1 s to 3,600 spower supply 24 vdc / 2ainterlock software/hardware interlockcase dimensionswidth: 170 mmheight: 140 mmdepth: 225 mmmaterialscentral pp unit andchuck, steel case, petdisplay and keypad, andtempered glass lidcentral ptfe unit andchuck, steel case, petdisplay and keypad, andtempered glass lidfuses 1 a slow blowweight 3 kg 3.7 kg, 3d printerpanel size 15 build size 33 x 18.5 x 40cm (lwh)build plate perforatedpanel resolution 8k resolutionaverage printing speed 70mm/hrxy resolution 43micronz-resolution from 10 micronoperation 5 touch panelconnectivity usb/ethernetslicer software chitubox v1.8.1printer size l40 x w47 x h68cmprinting volume l33 x w18.5 x h40cmprinter weight 35kghousing full metal, ellipso meter (holmarc)measurement range, 1 nm ~ 300 nm ; incident angle, 30 ~ 90 , error 0.1 ; dpss laser, 532 nm, 5 mw ; si photodiode, 5.8 x 5.8 mm active area ; polarizer, 0 ~ 360 ., michelson interferrometerbase dimension: 290x212x168mm (lxwxh)distance (m2 & bs): 100mmbeam splitter: 50 x 38 x7mm (lxwxt)compensating plate: 50 x 38 x 7mm (lxwxt)mirrors m1 and m2: 30 mm dia, thickness 10mmr:t: 50 : 50flatness of beam splitter: /8least count: 0.01mm (coarse adjustment knob)least count: 0.0001mm (fine adjustment knob),

CTN :39437550 Due date: 04 Mar, 202504 Mar, 2025 NA
Tender For purchase of lab equipments - purchase of lab equipments, vernier caliper 6"/150mm (.02mm/.001 inch), digital vernier caliper battery operated, screw gauge 0-25 (0.01mm) / micrometer, connecting wire 500g dcc wire, stop clock (analog), plano-convex lens with glass plate (for newtons ring expt.), grating (15000 lines/inch) for spectrometer expt., dial resistance box - 2 dial (x 0.1 ohm, x 1 ohm), pencil jockey, lycopodium powder coated glass plate (laser expt. -to determine particle size), ultrasonic interferometer - lab model (l.c.:0.01mm) : f-80 (2mhz),, bandgap kit - to determine the band gap of semiconductor- built in voltmeter and microammeter - provided with heater to fit in 100 ml beaker, thermometer, 100 ml beaker, pedestal fan - high speed stand fan, viscosity apparatus (with burette, burette stand, capillary tube), dc galvanometer (30-0-30), wooden scale - one meter, numerical aperture kit - to determine acceptance angle and numerical aperture of optical fiber- fiber optic light source, fibre optic cable 1 m, na zig and mandrel, extension box - 5 sockets (5 amps-4, 15 amps-1 ) with wire length 5 m made of wooden box, extension box - 5 sockets (5 amps-4, 15 amps-1) with wire length 10 m made of wooden box, padlock 7 levers - lock and key, wireless keyboard & mouse combo, ethernet cable (speed-up to-100mbps) - 80 meter, 8 port 100mbps fast ethernet switch, measuring tape 30meter, electronic digital balance - scale =1000g, 0.1 g precision
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