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State Government

CTN :40841890

18 Jul, 2025 NA

Kamrup - Assam

Tender For supply and installation of laboratory equipment experimental setup for fyimp ug practical classes at the department of physics, gauhati university - laboratory equipments/experiment set ups, experiment name: to verify the law of malus for plane polarised lighttechnical specifcations:i. light source: - led: 532 nm or 635 nm ( 2 nm stability), 1 5 mw adjustable output. - unpolarized (extinction ratio >500:1). - collimated beam (divergence 0.5 mrad); qty-1ii. polarizers- glan-thompson or polymer film. - extinction ratio 10 :1 @ operating wavelength.- mounted in 50 mm rotation holders.; qty-2iii. rotation stage- motorized analyzer rotation (0.05 resolution). - accuracy: 0.1 . - range: 0 360 (continuous).; qty-1iv. photodetector- silicon photodiode (400 1100 nm). - linearity: r 0.999 (0.1 w 5 mw).- digital readout: 0.1 w resolution.; qty-1v. optical bench-- anodized rail ( 60 cm) with kinematic mounts. - vibration-damping feet.; qty-1, experiment name: to determine thespecific rotation of sugar solution using polarimetertechnical requirementsa.core instrumenti. light source- - sodium d-line (589.3 nm) or tunable led ( 2 nm stability). - output stability: 0.2% drift/hour.ii. polarizer/analyzer- glan-thompson prisms or high-grade polymer film. - extinction ratio 10,000:1 at 589 nm.iii. rotation stage- motorized with 0.001 resolution.- accuracy: 0.005 .- range: -90 to +90 .iv. sample cell-- borosilicate glass tubes with precision ground ends. - path lengths: 0.5 dm, 1.0 dm, 2.0 dm ( 0.01 dm tolerance). - temperature-controlled jacket (5 50 c 0.1 c).v. detector- photomultiplier tube (pmt) or low-noise photodiode. - linearity: r 0.999 over 0.1 w 5 mw rangevi. enclosure- light-tight with vibration damping. - internal black anodized surfaces.b.measurement specificationsi. specific rotation: range: -180 to +180 resolution: 0.001 accuracy: 0.01 ii. concentration-range: 0.01 0.5 g/ml (sucrose in water) detection limit: 0.001 g/mliii. temperature control-stability: 0.1 c at 20 c (standard condition), experiment name: to determine the wavelength and velocity of ultrasonic waves in a liquid (kerosene oil, xylene, etc.) by studying the diffraction through ultrasonic gratinga.core componentsi. ultrasonic generator- - frequency range: 1 10 mhz ( 0.1% stability). - adjustable output: 0 50 w. - digital display (resolution: 0.01 mhz).ii. transducer- piezoelectric (pzt) crystal, resonant at 2 5 mhz. - liquid-coupled design for efficient energy transferiii. liquid cell- optical glass (low thermal expansion). - dimensions: 100 50 50 mm (l w h). - sealed with quartz windows.iv. light source- he-ne laser (632.8 nm, 2 mw) or sodium lamp (589.3 nm). - beam collimation: 0.5 mrad divergence.v. optical system- adjustable slit (10 500 m). - collimating lens (f = 150 mm, 50 mm). - precision rotation stage for detector (0.01 resolution).vi. detection system- photodiode/pmt detector with linear response (400 800 nm). - traveling microscope (0.01 mm resolution) or ccd camera ( 5 mp).b.measurement specificationsi.wavelength ( )range: 0.1 2 mm, resolution: 0.001 mm, accuracy: 1%ii. velocity (v)range: 800 2000 m/s (liquids) resolution: 1 m/s accuracy: 2%iii. diffraction angles- measurement range: 30 resolution: 0.01 , experiment name: to verify the stefans law of radiation and to determine stefan s constanta.core componentsi.black body radiator- cavity-type design (emissivity 0.99). - material: nickel-plated copper.- operating range: 50 c 600 c. - aperture diameter: 10 mm 0.1 mm.ii. heating system- pid-controlled furnace (0 600 c). - stability: 0.5 c at 300 c. - power: 500 w (ac 230v).iii. temperature sensor- type k thermocouple or pt100 rtd. - accuracy: 0.5 c at 500 c (nist-traceable).iv. radiation detector- thermopile sensor (spectral range: 0.3 20 m). - responsivity: 10 v/w.- active area: 10 10 mm .v optical path. - water-cooled collimating tube with baffles.- adjustable aperture to define solid angleb.measurement specificationsi. temperature range100 c 500 c (reso

State Government

CTN :40771915

14 Jul, 2025 NA

Dumka - Jharkhand

Tender For supply of machine, equipment and others - list of machine and equipments, laproscopic hd camera brand - karl storz/conmed/olympustechnical specificationresolution: 1920x1200 pixes / 1900x1000 pixescable length: 300 cm, ultrasonic harmonic scalpelbrand - johnsontechnical specificationdimensions: (hxwxd) 5.3" 14.5"x15.2" voltage: 100-240 vac frequency: 50/60 hz rated current: 3 amp , ultrasonic harmonic scalpelbrand - valley labtechnical specification macrobipolar/bipolar: 473 khz sinusoid, 100% duty cycle. seal: 473 khz sinusoid pulsed , hand instruments for laproscopy brand- karl storz/ olympustechnical specification i) veress needle: it should be with spring action blunt style -12 cm: 1 no 10 cm: 1 no 8 cm: 1 no ii) trocar and cannula: 10 mm: 2 nos 7 mm: 1 no. 5 mm 6 nos it should consists of trocar, cannula with insufflation and multifunctional valve and must have pyramidal tip. iii) reducer/reduction sleeve 5 mm. 1 no iv) telescopes: 10 mm- 0 - 1 nos -30 - 1 nos 5 mm-30 1 nos rigid rod lens system provides good resolution and the better dept perception. it should have uniform image brightness and autoclavable. the 300 forward oblique angle and permits for greater latitude for viewing underlying areas under difficult anatomical conditions. v) suction cannula: 10 mm - 1 no 5 mm -1 nos vi) laparoscopic scissors: curved (monopolar metzenbaum dissector 5mm diameter): 1 nosstraight (bipolar): 1 nosperitoneal scissor: 1 nosvii) unipolar forceps (hook & spatula): 2 nos viii) bipolar forceps : 2 nos ix) atraumatic forceps: maryland dissector forceps: : 2 nos. fenestrated forceps: : 2 nos. x) needle holder (flat jaw) with handle : 2nos xi) monopolar cable (reusable):1 nos. xii) bipolar cable (reusable): 1 nosxiii) allis (double row of teeth) grasper: 1 nos xiv) aspiration needle: 1 nos. xv) reducer/ reduction sleeve (5mm): 1 nos xvi) grasping forceps (toothed & rachet 5mm): 2 nos xvii) laparoscopic knot pusher: 1 nos xviii) clip applicator (reusable): 5mm -: 1 nos : 10 mm: ino xix) uterine manipulator: 1 nos xx) clips( medium & large) xxi) drilling needle: 1 nosxxii) infiltration needle: 1 nos xxiii) biopsy forceps (toothed punch biopsy): 1 nos xxiv) myoma fixation screw: 2 nos xxv) tissue morcellator with base unit & accessories: 1 nos , dual wavelenght laserbrand- zeisstechnical specification laser type: diode, semiconductor wavelength : 1470nm+635nm max power: 15 watts/1470nm+5mv/635 aiming beam : 635nm/1, 4mw max or 515nm/2, 5mw max operation mode : continuous or modulated pulsed time : 0.05ms-1000ms beam delivery : sma905 connector optic fiber compatible : optic fibers having a core from 200um to 1000um, na=0.22~0.48 beam emission initiation : footswitch controller :microprocessor display : 10.1" ips with touch panel medical approved cooling : internal, air and thermoelectric cooling power supply of the laser: dc 24v/8.33a from the separate ac power supply of ac adapter : single phase 100-240va; 50-60hz, max 90w ac adapter dc 24v/8.33a medical approved laser dimensions: 27cm*24,5cm x 9cm laser weight: 2.75kg laser case dimensions : 53cm x 38cm x 23cm weight of laser with cases : 9kg environmental conditions during work : from +10 to 24 c degree, relative humidity from 30% up to 60% cass of medical device iib laser safety class 4 electric safety class i type b housing protection degree ip20b , hd camera setbrand- karl storz/ olympustechnical specification (i) hopkinsa forward-oblique telescope 30a, diameter 4 mm, length 30 cm, a utoclavable, fiber optic light transmission incorporated, color code ed : 1 nos(ii) telecam c3 : 1 nos(iii) image1 st hx one-chip full hd camera head, 50/60 hz, fixed focus, prog ressive scan, soakable, gas-and plasmasterilizable, focal length f = 16 mm, 2 freely programmable camera head buttons, for use with image1 x-link tc301, tele pack + and tp101 : 1 nos(iv) medical grade surgical monitor - fhd : 1nos(v) cold light fountain power led 175 scb, with integrated karl storz-scb, high-perfo

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