Latest autorefractometer Tenders | Government autorefractometer Tenders

CTN :45022049

12 May, 2026 NA

Multi City - Chhattisgarh

Tender For corrigendum : design, construction, testing, commissioning of all the components of interception and diversion based sewage treatment plant (stp) work including 05 years of operation and maintenance of the entire system.• survey, investigation, design and construction of various diversion drains of inner size 0.50m(w) x 0.50m(h) for a length of 10m, 1.00m(w) x 1.20m(h) for a length of 10m and 1.00m(w) x 1.00m(h) for a length of 210m• survey, investigation, design and construction of coarse, medium screen, grit chambers of various sizes as detailed in scope of work for each wet well.• design and construction of 3 no. wet wells with overhead pump house as per the technical specification• survey, investigation, design, supply, laying, jointing and construction of rising main (di-k9 pipe) of inner dia. 150 mm for a length of 950m and dia. 100 mm for a length of 100m• stp (2 nos) - designing (aesthetically), providing, and constructing and giving satisfactory trials of sewage treatment plant consisting of receiving chamber, screen chamber, grit chamber, measuring flume, distribution chamber with primary and secondary treatment, etc. as per the technical specification of capacity 0.50 mld of facultative aeration lagoon convensional technology including allied units for waste disposal with all civil and mechanical, electrical works involved including administration cum laboratory building of minimum carpet area of 800 sqft. complete with all electrical works.• design and construction of planted drying bed for co-treatment of faecal sludge - 4 nos. of size l- 5.00 x w- 2.00 x height as per design + free board 0.30)• boundary wall around entire stp area, internal and external electrification.• operation and maintenance (o&m) for the proposed works / entire sewerage system (proposed) for a period of 5 years after successful completion of trial run period or handing over whichever is later.

CTN :45359913

11 Jun, 2026 14.69 Lacs

Kanchipuram - Tamil Nadu

Tender For corrigendum : rate contract for supply of accessories at hll biotech limited, ivc facility, chengalpattu, tamil nadu. - accessories, 47 mm filter funnels - polysulfone, 5 to 50 l micropipette, 10 l to 100 l micropipette, 100 l-1000 micropipette, 20-200 l micropipette, 1000 l to 5000 l micropipette, 1000 l to 10000 l micropipette, thermometer, thermometer, ss foreceps, spatulas 6 inch, spatulas 8 inch, spatulas 12 inch, inoculation loop, inoculation straight wire loop, microscopic slide tray, cover glass 18 x 18, plastic l-rod, spreader length- 45 mm (autoclavable), bet tube stand (dim 205x72x26mm 0.5ml &1.5 ml tube), bet tube stand, anaero gaspack 3.5 l, pipette stand, pipette stand, 200ml testtube stand ss (la222) himedia, pipette pump - pp, burette stand, parafilm dispenser, plastic trays (small), plastic trays medium ), plastic trays ( big), ss bin, toc vials 40 ml with ptfe septum, 10l carboy, 5 l carboy, 20 l carboy with tap, silicone rubber tubing o.d. : 7.0 0.2 mm, w.t. : 1.0 0.2 mm, i.d. : 5.0 mm, silicone rubber tubing o.d. : 8.0 0.2 mm, w.t. : 1.0 0.2 mm, i.d. : 6.0 mm, silicone rubber tubing o.d. : 10.0 0.2 mm, w.t. : 1.5 0.2 mm, i.d. : 7.0 mm, silicone rubber tubing o.d. : 14.0 0.2 mm, w.t. : 3.0 0.2 mm, i.d. : 8.0 mm, silicone rubber tubing o.d. : 18.5 0.2 mm, w.t. : 3.5 0.2 mm, i.d. : 11.5 mm, silicone rubber tubing o.d. : 16.0 0.2 mm, w.t. : 3.0 0.2 mm, i.d. : 10.0 mm, bottle top dispenser 5-50 ml, acid dispenser 0 - 25 ml, acid dispenser 0 - 100 ml, cryo box for 2ml cryovials, cryo box for 5 ml cryovials, microtips box ( autoclavable)1000 l, microtips box ( autoclavable) 200 l, dragon 200 gas burner, reusable bottle top filter - polysulfone, pipette controller for serological pipette - motorized, laboratory labelling printer, gauge cloth, ss electric hand blender

CTN :45365473

13 Jun, 2026 NA

Tuticorin - Tamil Nadu

Tender For purchase of lab equipments for ice dept - purchase of lab equipments for ice dept, i/p and p/i converter (iemcode:g002) i/p converter:(4 20) ma to (3 15) psi conversion. p/i converter:(3 15) psi to (4 20) ma conversion. air filter regulator (afr):20 psi regulated air supply. built-in current source. 3 digit led display for process indication. power supply: 230 v ac, 50 hz. mounting:bench-top / panel-mounted trainer configuration., level measurement using float and sight glass indicator- itemcode: g005specifications: sight glass level indicator. float type level indicator. power supply:230 v ac, 50 hz. monoblock pump:0.5 hp / 1 hp. sump tank., 8051develop ment board with usb/rs 232 cable to connect with computer (item code: g008)specifications: communication interface:usb / rs-232. on-board facilities:8 output leds,8 input switches,ldr,reed switch,8-bit adc,8-bit dac. display interfaces:seven-segment display,16 2 lcd interface. motor interfacing:stepper motor with driver,dc motor with h-bridge driver, 8 bit adc/dac interface board (item code: g009)specifications: thermistor / lm35 input in one channel. variable input (0 5) v in another channel. 8 leds for digital output indication.. necessary control signals provided for adc0809. 8-bit dac using dac0808. 8-bit digital input from controller. single-channel dac output:(0 10) v. power supply: 12 v or 15 v for analog circuitry, water level measurement trainer kit using capacitive type transducer (item code: g020) tabletop model with transparent acrylic tank of approximately 50 cm height. capacitive type level sensor for continuous level measurement. sensor output: (4 20) ma and/or (0 5) v with built-in signal conditioning. vertical pump for water circulation from sump to tank. flow control valve, overflow, and drainage arrangement. digital display for water level indication in cm. power supply: 230 v ac, 50 hz, single phase. in-built regulated dc power supply for sensor and control circuit. mounted on powder-coated ms frame for laboratory use. suitable for calibration and study of capacitive level measurement., flow measurement using electromagn etic flow meter(item code: g021)specifications: medium: water (salt water / bore well water). electromagnetic flow measurement: instantaneous flow rate and totalized flow indication. electromagnetic flow meter: integral mounted type. power supply: 90 260 v ac, 50 hz. minimum media conductivity: 15 s/cm. flow rate unit: m /hr. operating pressure: up to 10 kg/cm . electrode material: ss-304 / ss-316 / ss 316l. lining material: ptfe / neoprene / hard rubber / pfa. line size: 15 nb 25 nb. flow range: 0.1 10 m /hr. connection type: flanged. display: digital indication for flow rate and totalized flow. water pump: submersible type, 230 v ac, 50 hz. water tank: approximately 20 25 liters capacity. flow control valve provided. drain valve and overflow arrangement provided. mounted on powder-coated ms frame suitable for laboratory use.

CTN :45346446

11 Jun, 2026 NA

Tuticorin - Tamil Nadu

Tender For purchase of lab equipments for res dept - purchase of lab equipments for res dept, rc phase shift oscillator (iemcode:o001)specifications: oscillator type: rc phase shift oscillator using transistor / op-amp configuration. input supply: 230 v / 50 hz ac with regulated internal dc supply. output frequency range: 100 hz 10 khz adjustable. output: sinusoidal waveform with adjustable amplitude up to 10 vpp. rc network: three-stage rc phase shift network with frequency control arrangement. cro test points: dedicated cro terminals at amplifier output, each rc stage, and final output for waveform and phase-shift observation. protection: over-voltage and short-circuit protection provided. indicators and controls: power on led indication with frequency and gain adjustment controls. accessories: patch cords, circuit diagram., strain guage characteristi cs kit(iemcode:o002)specifications: ac mains power supply: 230 v 10%, 50 hz metal foil strain gauge mounted on beam/cantilever. strain measurement under applied load. wheatstone bridge arrangement. signal conditioning and amplification circuit. instrumentation amplifiers with 3 digit display for strain / output voltage. zero and gain adjustment controls. provision for applying calibrated loads. no rs.10,000 2 table-top trainer with labelled panel. test points for signal measurement. built-in dc power supplies and wooden closed cabinet. supplied with patch cords, load cell characteristi cs kit(item code: o003)specifications:input supply: 230 v / 50 hz ac with regulated internal dc supply. sensor: strain gauge load cell with suitable mounting arrangement. load range: 0 10 kg. display: digital display for load/output indication. cro / test points: test points provided for observing bridge output, amplifier output, and signal conditioning stages. controls: zero adjustment and calibration controls provided. protection: overload and short-circuit protection provided. accessories: loading arrangement, connecting leads., measurement of tank level using rotometer(item code: o004)specifications: input supply: 230 v / 50 hz ac withregulated internal dc supply. tank arrangement: transparent tank with 30 liters capacity with suitable supporting stand. rotameter range: 0 4000 l/hr calibrated rotameter. flow system: pump, control valves, and piping arrangement provided for continuous flow operation measurement facility: provision for flow-based tank level measurement and observation. display / observation: calibrated level indication with flow monitoring arrangement. test points: output terminals provided for monitoring sensor/output signals. accessories: connecting tubes., measurement of tank level using displacer type level transmitter(item code: o005)specifications: input supply: 230 v / 50 hz acwith regulated internal dcsupply unit. measurement principle:buoyancy(archimedesprinciple) using displacerelement tank arrangement: transparent experimental tank with 30 liters capacity and suitable mounting stand. level range: suitable laboratory-scale level measurement (0 100% tank height). sensor system: displacer type level transmitter with continuous level output signal. display unit: digital indicator for level display in percentage / engineering units. output signals: standard analog output (4 20) ma / (0 10) v provided for monitoring. test points: provided for transmitter output, signal conditioning, and display unit verification. controls: zero and span calibration adjustment provided for setting level reference. protection: over-voltage and short-circuit protection for electronic modules. accessories: connecting cables, piping arrangement, loading medium (water), measurement oftemperature using pt100(item code: o006a)specifications: input supply: 230 v / 50 hz ac with regulated internal dc power supply unit. sensor: pt100 resistance temperature detector (rtd) probe with stainless steel sheath measurement principle: resistance variation of platinum element with temperature. temperature range: 0 c to

CTN :45346428

15 Jun, 2026 NA

Madurai - Tamil Nadu

Tender For purchase of renewable energy practical equipments - equipments for renewable energy practices:, rc phase shift oscillator oscillator type: rc phase shift oscillator using transistor / op-amp configuration. input supply: 230 v / 50 hz ac with regulated internal dc supply. output frequency range: 100 hz 10 khz adjustable. output: sinusoidal waveform with adjustable amplitude up to 10 vpp. rc network: three-stage rc phase shift network with frequency control arrangement. cro test points: dedicated cro terminals at amplifier output, each rc stage, and final output for waveform and phase-shift observation. protection: over-voltage and short-circuit protection provided. indicators and controls: power on led indication with frequency and gain adjustment controls. accessories: patch cords, circuit diagram, strain guage characteristics kitac mains power supply: 230 v 10%, 50 hz metal foil strain gauge mounted on beam/cantilever. strain measurement under applied load. wheatstone bridge arrangement. signal conditioning and amplification circuit. instrumentation amplifiers with 3 digit display for strain / output voltage. zero and gain adjustment controls. provision for applying calibrated loads. table-top trainer with labelled panel. test points for signal measurement. built-in dc power supplies and wooden closed cabinet. supplied with patch cords, load cell characteristics kit input supply: 230 v / 50 hz ac with regulated internal dc supply. sensor: strain gauge load cell with suitable mounting arrangement. load range: 0 10 kg. display: digital display for load/output indication. cro / test points: test points provided for observing bridge output, amplifier output, and signal conditioning stages. controls: zero adjustment and calibration controls provided. protection: overload and short-circuit protection provided. accessories: loading arrangement, connecting leads., measurement of tank level using rotometer input supply: 230 v / 50 hz ac with regulated internal dc supply. tank arrangement: transparent tank with 30 liters capacity with suitable supporting stand. rotameter range: 0 4000 l/hr calibrated rotameter. flow system: pump, control valves, and piping arrangement provided for continuous flow operation. measurement facility: provision for flow-based tank level measurement and observation. display / observation: calibrated level indication with flow monitoring arrangement. test points: output terminals provided for monitoring sensor/output signals. accessories: connecting tubes., measurement of tank level using displacer type level transmitter input supply: 230 v / 50 hz ac with regulated internal dc supply unit. measurement principle: buoyancy (archimedes principle) using displacer element. tank arrangement: transparent experimental tank with 30 liters capacity and suitable mounting stand. level range: suitable laboratory-scale level measurement (0 100% tank height). sensor system: displacer type level transmitter with continuous level output signal. display unit: digital indicator for level display in percentage / engineering units. output signals: standard analog output (4 20) ma / (0 10) v provided for monitoring. test points: provided for transmitter output, signal conditioning, and display unit verification. controls: zero and span calibration adjustment provided for setting level reference. protection: over-voltage and short-circuit protection for electronic modules. accessories: connecting cables, piping arrangement, loading medium (water), measurement of temperature using pt100 input supply: 230 v / 50 hz ac with regulated internal dc power supply unit. sensor: pt100 resistance temperature detector (rtd) probe with stainless steel sheath. measurement principle: resistance variation of platinum element with temperature. temperature range: 0 c to 150 c (or suitable laboratory range). display unit: digital temperature indicator with direct c display. accuracy: high accuracy with linearized rtd signal conditioning circuit. sign

CTN :45346459

11 Jun, 2026 NA

Namakkal - Tamil Nadu

Tender For purchase of laboratory equipments for civil engineering department - purchase of laboratory equipments for civil engineering department:, bernoullis theorem apparatus(for detailed specification please refer notice inviting tender), venturi cum orifice meter testing rig(for detailed specification please refer notice inviting tender), pipe friction apparatus with accessories (closed circuit)(for detailed specification please refer notice inviting tender), centrifugal pump testing rig with all accessories(for detailed specification please refer notice inviting tender), reciprocating pump testing rig with all accessories(for detailed specification please refer notice inviting tender)

CTN :45345705

08 Jun, 2026 NA

Delhi - Delhi

Tender For supply of a4 paper , legal paper , stapler pin large , u clip , crocodile clip small , crocodile clip med , crocodile clip large , permanent marker pen for cd writer black , temp marker black , fevi stick , printer cartridge mf3010 925 , printer cartridge hp m126nw 388 a , colour printed file , note book 100 pages landscape , glossy paper , bond paper , sticky flag tri colour , sticky note pad mad , paper pin , asha card with envelop , ledger , packing rope plastic sutli , packing white cloth 90 mtr , tape brown 2 inch , packing strip , packing clip , bubble roll , lamination roll 24 inch , cinese screw black , nails 1 2 and 3 inch , hexa blade , wooden cutter blade , paking wire , iron cutter blade , medal , pulse oxymeter cell , medical file , glucometer cell , laboratory investigation form special request for hiv test , tikka karan book , request for special investigation bio chemistry 100pec , request for special investigation haematology 100pec , request for special investigation clinical pathology 100pec , request for special investigation confidential 100pec , request for special investigation mi room 100 pec , medical examination report form 100pec , willkinson sword blade pkt of 5 , automatic spray refill air freshner 250 ml , grass pad for cooler , coolar water pump , coolar fan , odonil , disposable tea glass 100ml , disposable spoon , tooth pick large , juice glass disposble , flex board mandir office ck house , aaa call , aa call , steel scrubber , paint ) /bid number : gem/2026/b/7593496 * /dated: 27-05-2026 & & / bid document 1 / 41

CTN :45332966

11 Jun, 2026 NA

Rourkela - Odisha

Tender For supply of electrician screwdriver thin stem insulated handle , electrician screwdriver thin stem insulated handle , knife double bladed electrician , neon tester , blow lamp brass , crimping tool , wire cutter and stripper , copper bit soldering iron , de soldering gun , contactor and auxiliary contacts , limit switch , rotary switch , relay cut out relays reverse current relays over current relays under voltage relays , pin type shackle type egg type and suspension type insulators , hydrometer , portable electric drill machine , load bank lamp or heater type , laboratory type induction coil , out side micrometer , knife switch dpdt fitted with fuse terminals , knife switch tpdt fitted with fuse terminals , earth plate , earth electrode , mccb , elcb , rccb , fuses , rheostat sliding type , capacitors , various lamps , bus bar with brackets , rubber mat , electrician helmet , safety belt , ohm meter series type and shunt type portable box type , digital multi meter , a c voltmeter m i analog portable box type housed in bakelite case , milli voltmeter centre zero analog portable box type housed in bakelite case , ammeter mc analog, portable box type housed in bakelite case , ac ammeter mi analog portable box type housed in bakelite case , kilo wattmeter analog , digital wattmeter , a c energy meter , power factor meter digital , frequency meter , magnetic flux meter , lux meter , tachometer , tong tester or clamp meter , megger , 3 point d c starter , 4 point d c starter , wheat stone bridge with galvanometer and battery , single phase variable auto transformer , phase sequence indicator , growler , ac starters , oscilloscope dual trace , function generator , soldering iron , temperature controlled soldering iron , discrete component trainer , linear i c trainer , digital i c trainer , electric induction plate , electric kettle , electric iron , immersion heater , a c ceiling fan and ac table fan , geyser storage type , mixture and grinder , washing machine semi-automatic , motor pump set , inverter with battery , voltage stabilizer , dc power supply , battery charger , current transformer , potential transformer , solar panel with battery , ink jet or laser printer , dc compound motor with starter and switch , thyristor igbt controlled d.c. motor drive with tacho generator feedback arrangement , thyristor igbt controlled a.c. motor drive with , electrical machine trainer , used dc generators series shunt and compound type for overhauling practice , motorised bench grinder , manual motor coil winding machine , ceiling fan coil winding machine , primary current injection set , stepper motor with digital controller , shaded pole motor , smart meter , ev charger , ev charger home , portable double telescopic ladder , 3 ph variac , rotary hammer drill 1 ph , lcr meter

CTN :45326580

09 Jun, 2026 NA

Madurai - Tamil Nadu

Tender For purchase of instrumentation and control engineering practices (equipment) - motorized control valve trainer kit signal input:4 20 ma or 0 5 v valve characteristic:equal percentage stem movement:maximum 10 mm or 12 mm body material:cast iron trim material:ss 316 trim size: cv value:2 or 5 actuator:servo motor supply voltage:230 v ac, 50 hz connection: flanged or screwed type. digital indicator provided potentiometer provided for varying the 4 20 ma input signal, saybolt viscometer apparatus glass type: high-quality borosilicate glass tube. control type: manual energy regulator control. shape: rectangular bath with cylindrical test chamber. temperature range: ambient to 240 c oil bath temperature. humidity: up to 80% rh (non-condensing). power supply: 230 v ac, 50 hz. measuring range: 32 to 1000 sus(saybolt universal seconds). accuracy: as per astm d-88( 0.2 seconds). mounting type:benchtop. capacity:one cup(approximately 60 ml). control mode:manual operation. port size:standard orifice sizeas per astm d-88. features:oil bath with heater,thermoregulator,insulated outer body,orifice,receiver flask, control valve trainer kit three pneumatic control valves provided with individual hand valves valve characteristics: i) quick opening ii) linear iii) equal percentage. valves connected in parallel configuration for comparative study. pneumatic operation with air supply connection. control valve assembly mounted on trainer panel. power supply: 230 v ac, 50 hz., water level measurement trainer kit using capacitive type transducer tabletop model with transparent acrylic tank of approximately 50 cm height. capacitive type level sensor for continuous level measurement. sensor output: (4 20)ma and/or (0 5)v with built-in signal conditioning. vertical pump for water circulation from sump to tank. flow control valve, overflow, and drainage arrangement. digital display for water level indication in cm. power supply: 230 v ac, 50 hz, single phase. in-built regulated dc power supply for sensor and control circuit. mounted on powder-coated ms frame for laboratory use. suitable for calibration and study of capacitive level measurement.

CTN :45292141

18 Jun, 2026 NA

Ranchi - Jharkhand

Tender For supply of amalgamator , apron , bone ronger 30 , bone ronger 45 , bone ronger 90 , burnishers , burr box , burrs , cassette pass box , cheek retractor , condensers , curvers , dapen dish , dental chair unit , dental compressor , dental examination mirror , dental extration forceps , dental instrument cabinet , dental suction machine , dental x-ray machine , dental x-ray processing box , dental x-ray viewer double screen , dental x-ray viewer single screen , endo box endo explorer , examiniation probe , excavators , explorers , film marker , glass slab , gp , hand pieces, 4 holes, high speed , high speed aspirator , instrument tray , k-files and h-files , light cure unit , periosteal elevator , protapers hand files , rct plugger set , sefty glasses , tissue forceps , twizeer , ultrasonic scaler , x-ray safe light , equipment for dental lab , alginate spatula , benck press , casting machine , crown flask with clamp , curing bath , dental anisthesia set , dental articulator , dental clamp , dental flask , dewaxing machine , fret saw , gic spatula , heating furnace , highspeed grinder , hot air syringe , hydroflask pressor pot , impression tray , lecron cover , micro motor set with 2 hand piece , mixing spatula , model drier , model trimmer , orthodontic pliers , pin dexing , plaster knife , polishing lathe , programmed procelain machine , putty lv with gun , refraction cord , rubber bowl , rubber mixing bowl , sand plaster , spirit lamp , suspension motor , vibrator , wax knife , wire cutter , work bench , centrifuge machine , mattress , bed side table , semi fowler bed , semi auto analyzer , minor ot light , refrigerator , aquaguard , ot light , micro scope , labour table , wheel chair , a-scan biometry machine with immersion made , colour vision , autorefractometer workstation , dcr dct surgery set , desmarres lid retractor , direct opthalmoscope with all accessories , entropion forceps , flureceian strips with applanation examination , gluacoma surgery set , indirect opthalmoscope with all accessories , intra-ocular lens implant surgery scalpels , intra-ocular lens implant surgery tool kit complete set , keratometer manual should have 15x eye piece , manual refraction trail box with all lens , micro surgery bipoler coagulator with cord , retinoscope with all accessories , schirmer strips with dry eye examination , type of slit lamp camera with system , weighing machine , stadiometer , bmi calculator or chart , blood pressure apparatus , glucometer with test strips and lancets , measuring tape , thermometer , torch flashlight , examination table with privacy screen , ecg machine , hemoglobin meter analyzer , urine sugar and albumin test kit , vision screening chart , specimen collection containers , automated perimetry , b-scan biometry machine , opthalmic microscope , oct machine , dental autoclave , generator , yag laser machine , dental x-ray machine with 360 degrees , modular table / meeting table / centre table (v2) (q2) , revolving chair (v5) (q2) , steel almirah / cabinets (v4) (q2)

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