Refractometer Tenders

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corporations/Associations/Others

CTN :42412934

11 Dec, 2025 NA

Chennai - Tamil Nadu

Tender For corrigendum : online tender for fixing rate contract for supply and installation of slit lamp with refraction opd chair, opd chair unit, portable auto refractometer and schiotz tonometer to govt. instituions

State Government

CTN :42813090

04 Dec, 2025 80.0 Thousand

Sikka - Gujarat

Tender For corrigendum : supply of refractometer (q3)

CTN :42995615

08 Dec, 2025 NA

Dhalai - Tripura

Tender For procurement of equipment for opthalmic department - procurement of equipment for ophthalmic department - name of items, auto perimeter, yag leser, auto kerato refractometer

CTN :42996586

19 Dec, 2025 NA

Bhopal - Madhya Pradesh

Tender For supply of laboratory testing instruments d d - vortex mixture , mixture grinder , refrigerated circulating baths , capillary electrophoresis ce instrument , digital balance up to one , volatile oil determination apparatus , humidity meter , digital thermocouple , digital thermo couple , digital tachometer , hot air oven , milk gerber centrifuge machine for milk , gcms ms cost of equipment man power seven years cmc five years excluding gst eighteen percentage , lcms ms cost of equipment man power seven years cmc five years excluding gst eighteen percentage , icpmsms cost of equipment man power seven years cmc fiveyears excluding gst eighteen percentage , gc fid , nitrogen gas generator , nitrogen gas evaporator , digital butyro refractometer , karl fischer coulometer , turbidity meter , ph meter , micro pippette mechanical , micro pipettte electronic , sulphur dioxide apparatus , temprature controlled waterbath , high processor water bath , bottle top dispensers , weighing balance upto ten kg , high processor water bath chiller , solvent purification system , muffle furnace , magnetic stirrer , melting point apparatus , boiling point , deep freezer , double door refrigerator , hplc with uv detector , ftir , gas liquid chromatograph , polarimeter

Central Government/Public Sector

CTN :43015490

01 Jan, 2026 NA

Petlad - Gujarat

Tender For supply of auto kerato refractometer/ auto ref keratometer (q2)

CTN :43020064

17 Dec, 2025 NA

Kottayam - Kerala

Tender For supply of digital conductivity meter , digital potentiometer , refractometer , digital melting point apparatus , colorimeter , bunsen burner , weighing balance , ph meter , orbital shaker , water bath , digital stop watch , microwave oven , student microscope , thermometer , spectrophotometer , flame photometer , digital ph meter , cathode ray oscilloscope , signal generator , power supply , digital multimeter , rheostat , carry fosters bridge , fiber optic , digital storage , dimmerstat-single phase , lees disc apparatus

State Government

CTN :43020126

16 Dec, 2025 NA

Bhatgaon - Chhattisgarh

Tender For supply of refractometer (q3)

State Government

CTN :43020304

13 Dec, 2025 NA

Jaipur - Rajasthan

Tender For supply of refractometer (q3)

CTN :42901829

09 Dec, 2025 NA

Coimbatore - Tamil Nadu

Tender For purchase of equipments - purchase of equipment, bench top glass insitu airlift photo bioreactor1. vessel capacity: 3 liter borosilicate glass (working volume: two to three liters maximum), vessel hxd ratio 4:1 (400x100mm)2. head plate & bottom plate moc: ss 316l3. ports in top plate: ph sensor; dissolved oxygen (do) sensor; pressure sensor; air in and draft tube; air out; acid/base; sampling; and addition port.4. mixing method: ring sparger to create airlift circulation inside the reactor for uniform mixing and better aeration.5. holders for sensor /adapter / blind stoppers in head plate: ph sensor holder; media double inlet for acid/base dosing; air sparger - ring type for airlift application without stirring, air out with exhaust filter and open/close valve; pressure sensor holder; sampling pipe; blind stopper for un used port; unique suitable ss puncturing needles for sampling, air in, air out, inoculum, feed addition.6. ports in bottom plate with stand: port for temperature sensor; heating finger u-tube heat exchanger; drain.7. holders for sensor / adapter / blind stoppers in bottom plate: holder for temperature sensor, heating finger, u-tube heat exchanger.8. sensors: temperature, gel filled sterilizable ph sensor, & pressure sensor.9. controls and display: modular independent system of ph, temperature, pressure with touch screen graphical display & control; two set point control of ph with three-point buffer auto calibration; aeration by flow meter 0-5lpm with air pump; sterilization controls up to 121 without steam generator along with pressure safety mechanism by independent pressure sensor and digital display & control; automatic digital pressure safety and over temperature safety cutoff and alarm; upgradable control system for future prospective as cstr reactor & dissolved oxygen (do).10. measurement and control range: ph: 2-14; process temperature: 20 to 60 ; sterilization temperature: up to 121 ; and pressure up to 15 psi.11. fixed speed peristaltic pump: for acid/base dosing with teflon non spring head. (2 nos)12. cooling system: chiller cum circulator. chiller temperature range 4 to 40 , bath capacity 5l to cool down the reactor after sterilization and to work process temperature below ambient condition.13. illumination system: two illumination assembly with variable intensity control (1000-3000 lux) around the reactor with independent control switch for photobioreactor, or other application and easy detachable if not in use. 14. essential accessories : silicon tubing for acid/base addition (10m); air in and sampling (10m); water circulation (5m); air vent filters 0.2 micron sterilizable (6nos); and silicon septum (25nos)15. starter kit: spare silicon-o-rings for head plate, bottom plate (1no each), all other ports (5nos each), alen key.16. warranty: one year17. support (must): unconditional onsite technical support shall be provided as and when needed. the supplier must provide complete installation and hands-on demonstration of the equipment at the user site upon delivery.18. the vendor should have a registered presence in india with an authorized local service provider in tamil nadu.