Latest voice amplifier Tenders | Government voice amplifier Tenders

State Government

CTN :45260529

12 Jun, 2026 1.90 Crore

Thiruvananthapuram - Kerala

Tender For corrigendum : supply of autosomal str dna amplification kit , y str dna amplification kit , quantifiler trio dna quantification kit , 3500 capillary array , performance optimised polymer pop4 , conditioning reagent , cathode buffer - 3500 series , anode buffer - 3500 series , hidi formamide , dna mini kit- qiagen , blood mini kit-qiagen , case work extraction kit , tissue and hair extraction kit , bone extraction kit , maxwell fsc dna iq case work kit , hi media proteinase k- solution , diluent for dna extraction , phenol chloroform isoamyl alcohol , stain extraction buffer , phosphate buffered saline, 7.4, 1x , sodium hypo chlorite solution , hydrogen peroxide , glacial acetic acid , atl buffer , cleansol , microcentrifuge tubes 2.0 ml , microcentrifuge tubes 1.5 ml , 0.2 ml flat cap clear tubes pcr tubes , microcentrifuge tubes 0.6 ml , microamp optical 96 well reaction plate , 1 to 200ul aerosol barrier gentip , 0.5-10ul aerosol barrier gentip , universal yellow tips- 200ul , 2-20ul aerosol barrier gentip , 100-1000 ul filter tip , fta card , dna extraction qiamp column , nuclease free water , qiamp collection tube , optical adhesive sealing film , tissue paper- lint free , porcelain china dish , surgical blade , surgical mask , nitrile gloves , centrifuge tube 15 ml , centrifuge tube 50 ml , plastic tray , poly propylene measuring jug , mini spin , cyclomixer , four-way sample rack , pcr rack with lid 96 well , pcr rack without lid , 1.5 or 2 ml tube rack with lid , filter paper 46 x 57 cm cat no. 1001917 , pipette stand , autoclavable 500 ml reagent glass bottle , microtube rack 80 wells - without lid , reagent bottle , ez1 and ez2 dna investigator kit , microslide box , microslide tray , harris punch with mat ) /bid number : gem/2026/b/7553056 * /dated: 20-05-2026 & & / bid document 1 / 44

CTN :45475065

18 Jun, 2026 NA

Krishnagiri - Tamil Nadu

Tender For procurement and installation of ece lab equipments - procurement and installation of ece lab equipments, single output variable dc rpsu single output regulated power supply- input voltage: 230v/50hzac- output voltage: (0 30v)dc- output current: (0 2a)dc- protection circuit: over voltage and over current protection, short-circuit protection- high efficiency: greater than 85%- low ripple and noise: less than 50 mv, dual output variable dc rpsudual output regulated power supply- input voltage: 230v/50hzac- output voltage: (0 30v)dc- output current: (0 2a)dc- protection circuit: over voltage and over current protection, short-circuit protection- high efficiency: greater than 85%- low ripple and noise: less than 50 mv, function generatorfrequency range: 0.1 hz to 2 mhz.display: 4 to 6 digit led displayoutput waveforms: sine, triangle, square, pulse, ramp.amplitude: 0 20 vp-p.rise time: 100 ns.distortion: 1% (within acceptable range of frequencies).power supply: ac 220 v 10%, 50-60 hzoutput amplifier protection: protected against short circuit and 15v overload, digital storage oscilloscopebandwidth: 50 - 100 mhz.sampling rate: 1gs/s.channels: 2 (minimum)power supply: 100v 240v ac, 50-60 hzautomatic measurement: vpp, vavg,rms, frequency, period, vmax, vmin, rise time, fall time, + width, - width, +duty, - duty etc.,horizontal scale: 5 ns/div 100 ns/div or equivalentvertical resolution: 8 bits (2 channels simultaneously)vertical sensitivity: 1 mv/div 10 v/div (at input)waveform math: +, -, x , , invert, fft etc.,waveform storage: 16 waveforms or equivalentcommunication interface: usb host, usb interface.7-inch color display or equivalentbasic trigger functions, digital vo;tmeterdc voltmeter digital 3 digit display (0-100 v), 0.5 % accuracy (class 0.5 equivalent) (2000), digital ammeterdc ammeter digital 3 digit display (0-2 a), 0.5 % accuracy (class 0.5 equivalent) (1500), eliminator transformer (stepdown)input - 220v - 240v ac, 50 hz, output-2v to 12v dc, 0-2 a ripple: 5mv, embedded lpc 2148 kit cpu - lpc2148, core - 16/32 bit arm7dmi-s speed - max 60 mhz, flash - 512kb, ram (on-chip) - 40kb, 46 general purpose i/opins, usb2.0 one 10bit a/d converter with 14 analog inputs, one 10bit d/a converter, six pwm &watchdog two uarts (16c550), two i2c (400kb/s), two spi s eight bit digital output, eight bit digital input, 16 x 2 characters lcd and 4x4 matrixkeypad one potentiometer for giving analog input, relay & buzzer interface i2c devices: rtc, eeprom and seven segment display, on board stepper motordriver lm35 temperature sensor, one rs 232 lines are terminated at 9 pin d type connectorand usb interface board has inbuilt power supply and mounted in sturdy cabinet accessories usb cable with utility software to download programs from pc to target board example programs in embedded c and assembly with documentation (soft copy) power chord, user manual with cd/dvd, free demonstration after delivery, single phase induction motorsingle phase induction motor, 230v ac, 50hz supply.power rating 1 hp (0.75 kw).speed 1440 rpm.capacitor start/run type suitable for lab useloading setup portable ammeter and digital tactometer contact type, single phase autotransformerinput - single-phase, 230v/240v, 50 hz, 4a, ac output - 0 to 270vac, class "h" or class f insulation., lvdt trainer kitac mains power supply : 230v 10%, 50hzfixed regulated dc power supply : +5v, 12v /500matransducer : lvdtlvdt displacement : 20mm (40mm total)displacement scale : linear 20mmdisplacement display (mm) : red color 3 digit led displayexcitation frequency : 4khzexcitation voltage : ac variable 5v, strain guage trainer kitmetal foil strain gauge mounted on beam/cantileverstrain measurement under applied loadwheatstone bridge arrangementsignal conditioning and amplification circuitinstrumentation amplifiers, 3 digit display of strain / output voltagezero and gain adjustment controlsprovision for applying calibrated loadsregulated power supply, 230 v ac, 50 hztable-top tr

CTN :45475071

15 Jun, 2026 NA

Chennai - Tamil Nadu

Tender For purchase of non-consumables for ece department - purchase, dual output regulated dc variable power supply input voltage: 230v/50 hz ac. output voltage: (0 30)v dc. output current: (0 2)a dc. protection circuit: over voltage, over current, and short-circuit protection. high efficiency: greater than 85%. low ripple and noise: less than 50 mv. digital display., function generator frequency range: 0.1 hz to 5 mhz. display: 4 to 6 digit led display. output waveforms: sine, triangle, square, pulse, ramp. amplitude: 0 20 vpp. rise time: 100 ns. distortion: 1% within specified frequency range. power supply: 230 v ac 10%, 50 60 hz. output amplifier protection: short-circuit and 15 v overload protection. dc offset: 0 to 10 v adjustable. attenuation: 0 to 60 db., dso (digital storage oscilloscope) bandwidth: 50 100 mhz. sampling rate: 1 gs/s. channels: 2 (minimum). power supply: 100 240 v ac, 50 60 hz. automatic measurements: vpp, vavg, vrms, frequency, period, vmax, vmin, rise time, fall time, +width, width, +duty, duty, etc. horizontal scale: 5 ns/div 50 s/div or equivalent. vertical resolution: 8 bits (2 channelssimultaneously). vertical sensitivity: 1 mv/div 10 v/div (at input). waveform math: +, , , , invert, fft, etc. waveform storage: 16 waveforms or equivalent. communication interface: usb host and usb interface. display: 7-inch color display or equivalent. input impedance: 1 m 2% || 20 pf. accessories: 2 passive probes (1x/10x)., digital ic trainer kit with breadboard +5 v dc, 1 a regulated power supply. 12 v dc / 15 v dc, 200 ma regulated power supply. solderless breadboard with minimum 840 tie points,power distribution buses. zif (zero insertion force) ic sockets to accommodate 8 or 16 pin ics. logic input and output leds for output monitoring. 16 buffered led outputs. 16 debounced switch inputs. variable clock generator: 0.5 hz to 50 hz. single pulse output: 100 ms (buffered, positive and negative outputs). one seven-segment display with 4 bcd inputs. built-in logic switches. manual clock: debounced push-button (one pulse per press)., lvdt trainer kit ac mains power supply: 230 v 10%, 50 hz. fixed regulated dc power supply: +5 v, 12 v / 500 ma. transducer: lvdt. lvdt displacement: 20 mm (40 mm total). displacement scale: linear 20 mm. displacement display: red color 3 digit led display. excitation frequency: 4 khz. excitation voltage: ac variable excitation voltage up to 5 v., strain guage trainer kit 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. table-top trainer with labelled panel. test points for signal measurement. built-in dc power supplies and wooden closed cabinet. supplied with patch cords and user manual.

CTN :45457657

08 Jul, 2026 2.77 Lacs

Thiruvananthapuram - Kerala

Tender For purchase of electricals - electricals, epson eb-w53 wxga 3lcd projector, 4000 lumens full hd, built-in 16w speaker, induction stove : 2000 w, autosheet of voltage control, durable plastic body, ceramic plate touch + led display, multiple cooking mode, light weight, ups for semi auto analyzer 1 kva 800 watts, voltage 220-240 v, led display, san disk cruzer blade usb 2.0 drive 64 gb pendrive, stabilizer for refrigerator (130v-280v), power extension board with 4 power sockets, 2500 w, 8 meter cord length, 2.1a usb port 2, 250 volts, 16 ampere converter plug, 6 ampere to 16 ampere 3-pin international socket for big size 16a plug top (use 16 ampere devices in 6 ampere socket) which can be used for interactive board, microwave, refrigerator, led tube light 18 watts white (philips), 4 tb external hard disc, 3.0 external hdd-usb for windows & mac, voice amplifier for teachers with wired head set mic portable pa neckband system rechargeable with 1 neckband mic with usb, led tube light 20 w / 40w, ceiling fan 60 w, capacitor (ceiling fan 60 w), pendrive - sandisc ultra dual drive type c 256 gb otg upto 400 mb per second, heavy duty extension cord 10 meter length, 15a rating multiple sockets (3-5), water purifier aqua d pure 4 in one copper ro water purifier with 10 stage purification filtration, uv, uf, tds adjuster &12 l large storage tanker, water cooler (for approximately 150 students) : 120-150l storage 120-150l per hour cooling capacity 3 taps one ambient &two chilled water stainless steel (304) cooler with sealed compressor and eco-friendly refrigerant chilled water temperature 5-10 degree celcius, integrated inbuilt multi stage purification system with sediment filter, activated carbon filter, ro unit with minimum 50-100 lph, uv disinfection, tds controller, auomatic cut-off, overload protection, thermostat control, continuous high volume dispensing drain system (including installation - electrical & plumbing), presentation remote with laser, 2 tb portable ssd external hard disk, wireless collar mic with receiver having 6.3 mm aux male jack, external hard disk drive i tb, television 32 inch, 80 cm smart led tv, rechargeable cordless mic with voice amplifier and 6 hours or more battery life for lecture classes, 2 tb external hard disk, usb 3.0 for windows, ups 1 kva/600 w, ssa 250dp amplifier with digit, asm 580 xlr microphone, awm 700u2 wireless twin han, dgn mic stand

CTN :45430786

18 Jun, 2026 NA

Ariyalur - Tamil Nadu

Tender For supply of electronics andcommunication engineering lab materials - electronics and communication engineering lab materials, dso (digital storage oscilloscope)bandwidth: 50 - 100 mhz.sampling rate: 1gs/s.channels: 2 (minimum)power supply: 100v 240v ac, 50-60 hzautomatic measurement: vpp, vavg,rms, frequency, period, vmax, vmin, rise time, fall time, + width, - width, +duty, - duty etc.,horizontal scale: 5 ns/div 100 ns/div or equivalentvertical resolution: 8 bits (2 channels simultaneously)vertical sensitivity: 1 mv/div 10 v/div (at input)waveform math: +, -, x , , invert, fft etc.,waveform storage: 16 waveforms or equivalentcommunication interface: usb host, usb interface.7-inch color display or equivalentbasic trigger functions, digital ic trainer kit with breadboard5v dc, 1a regulated power supply 12v dc / 15v, 200 ma regulated power supplysolderless breadboard to accommodate 8 16-pin icszif (zero insertion force) ic socketssupports ttl and cmos icslogic io leds for output monitoring8 buffered led outputs8 debounced switch inputsttl clock: 1 mhzvariable clock generator: 0.5 hz to 50 hzsingle pulse output: 100 ms (buffered, positive and negative outputs)one seven-segment display with 4 bcd inputsbuilt-in logic probesbuilt-in logic switchesexperiments on basic logic gates, flip-flops, counters, and multiplexers, eliminator transformer (stepdown)input - 220v - 240v ac, 50 hz, output-2v to 12v dc, 0-2 a ripple: 5mv, decade resistance boxrange: 1 to 10 m , steps: 1-10-100-1k-10k, accuracy 1%, suitable for filter and oscillator experiments, decade inductance boxrange: 1 h to 10 h, rotary switch selection, low loss inductors, accuracy 1%, , suitable for filter and oscillator experiments, 8051 micro controller kitoperating voltage: +5v dc4 kb flash (at89c51) / 8 kb flash (at89s52)ram: 128 bytes internal ram16 2 alphanumeric lcdpush buttons / tactile switchesdip switches for digital inputinbuilt adc interface : ldr,potinbuilt dac interfaceinbuilt stepper motor driver with stepper motorinbuilt dc motor driver with dc motor1x4 led array, 1 x4 keypad, 1x relay1x buzzer, 16x2 lcd display, 1x pwm driver1x hardware interrupt key, inbuilt rtcinbuilt eeprom, inbuilt uart module4x7 segment display, both assembly and c language programmable, pc interfaceable., single phase induction motorsingle phase induction motor, 230v ac, 50hz supply.power rating 1 hp (0.75 kw).speed 1440 rpm.capacitor start/run type suitable for lab useloading setup portable ammeter and digital tactometer contact type, auto transformerinput - single-phase, 230v/240v, 50 hz, 4a, ac output - 0 to 270vac, class "h" or class f insulation., temperature measurement kitsensors: rtd (pt-100), thermocouple (fe-k/j-type), and/or thermistor (ntc).display: 3 digit led/lcd digital display (typically 200mv fsd).temperature source: portable water kettle or heater block.signal conditioning: on-board circuitry for amplification, linearization, and cold junction compensation. test points: multiple 2mm/4mm banana sockets for monitoring input/output signals.power supply: 230v ac, 50hz, single-phase.accessories: includes a glass thermometer, ntc thermistor probe 10k, k-type thermocouple probe, patch cords, and instruction manual., ask modulation and demodulation kitmessage signal 1 : 8 bit variable data, amplitude 5vmessage signal 2 : debounce data, amplitude low (0) & high (5v)message signal 3 :fixed data 25k, 12.5k, 6.25k, 3.12k, amplitude 5vcarrier signal : sine wave frequency 200 khz, amplitude 5vmodulator type : switching icdemodulator : envelope detector & lpfcomparator : lm 311 basedsupply voltage (board) : +12v, +5v / dcsupply current : 100 ma (minimum)input voltage : 230 v/ 50 hz acinterface connectors : 2mm banana socket, dth trainer kitpower supply 200v to 240v ac, 50hz,dish antenna 1.5 aluminum steerable, lnb low noise block down converterinput frequency ku band.output frequency 950 to 1450 mhz.conversion gain 65 db.noise temp 35 degree k max.set top box receiver in traine

CTN :45281402

09 Jun, 2026 16.00 Lacs

Kamrup - Assam

Tender For corrigendum : supply of global filer iqc pcr amplification kit thermofisher scientific , y filer plus pcr amplification kit thermofisher scientific , cathode buffer thermofisher scientific , pop4 thermofisher scientific , prepfiler express forensic dna extraction kit thermofisher scientific

CTN :45260440

09 Jun, 2026 17.00 Lacs

Kamrup - Assam

Tender For corrigendum : supply of global filer iqc pcr amplification kit thermofisher scientific , y filer plus pcr amplification kit thermofisher scientific , anode buffer thermofisher scientific , hi di formamide thermofisher scientific , conditioning reagent thermofisher scientific

Central Government/Public Sector

CTN :45084931

10 Jun, 2026 7.71 Lacs

East Khasi Hills - Meghalaya

Tender For corrigendum : supply of consumables for pathology dept - pbs powder ph 7.0 to 7.5 500gm , ssc 20x solution , bcr abl1 probe fusion probe , her2nue probe amplification probe , dapi antifade for fish , anti body fitc c1q for direct immunofluoresence , xl aml1 eto xlt 8 isto 2 translocation dual fusion 100 micro litre fish probe , xl pml rara xlt is isto 17 translocation dual fusion 100 microlitre fish probe , proteinase k powder from tritirachium album 100mg , ana anti nuclear antibody. indirect immunoiflourescence assay kit , dna ffpe kit 250 reaction , egfr mutation diagnostic kit 29 targets 52 reaction real time pcr. detection includes controls , microtips 10 microlitre , advance hydrophobic pen for ihc. please refer pdf file for speicification

CTN :45386617

06 Jun, 2026 NA

Vellore - Tamil Nadu

Tender For ece lab items dept use - eliminator transformer (step-down) kitinput - 220v - 240v ac, 50 hz, output-2v to 12v dc, 0-2 a ripple: 5mv, strain gauge trainer kitmetal foil strain gauge mounted on beam/cantilever strain measurement under applied load wheatstone bridge arrangementsignal conditioning and amplification circuitinstrumentation amplifiers, 3 digit display of strain / output voltage zero and gain adjustment controlsprovision for applying calibrated loads regulated power supply, 230 v ac, 50 hz table-top trainer with labeled paneltest points to measure the signalsbuilt in power supplies and wooden closed cabinet supplied with patch cords and experiment manual, temperature measurement kitsensors: rtd (pt-100), thermocouple (fe-k/j-type), and/or thermistor (ntc).display: 3 digit led/lcd digital display (typically 200mv fsd). temperature source: portable water kettle or heater block.signal conditioning: on-board circuitry for amplification, linearization, and cold junction compensation.test points: multiple 2mm/4mm banana sockets for monitoring input/output signals.power supply: 230v ac, 50hz, single-phase.accessories: includes a glass thermometer, ntc thermistor probe 10k, k-type thermocouple probe, patch cords, and instruction manual., sim reader trainer kitsim compatibility supports 2g 3g 4g lte sim cards,sim reader mode: reading writing gsm sim card data, imsi, ki codes, phonebook interface usb 2.0 or rs 232 serial port for pc communication.clock frequencies: selectable frequencies 3.579 mhz, 7.159 mhz, 14.318 mhz for sim card operation.power supply: onboard smps 12v 2a or 5v dc with overload protection. hardware components:6-pin or 8 pin sim card socket.led indicators for power, sim reset, and data activity.optional lcd 128x64 and keypad 20 keys for standalone operation. software tools support for at commands gsm etsi 07.0707.05, sim manager utilities, and data logger functionality. common trainer kit featuresfault simulation ability to create faults e.g., sim not detected, vcc failure for troubleshooting.test points: multiple test points e.g., 55 nos for observing signals sim rst, clk, i o via oscilloscope.construction tested glass epoxy pcb, often housed in a study educational case., dual output regulated dc variable power supplydual output regulated power supply- input voltage: 230v/50hzac- output voltage: (0 30v)dc- output current: (0 2a)dc- protection circuit: over voltage and over current protection, short-circuit protection- high efficiency: greater than 85%- low ripple and noise: less than 50 mv, lvdt sensor trainer kitac mains power supply : 230v 10%, 50hzfixed regulated dc power supply : +5v, 12v 500matransducer : lvdtlvdt displacement : 20mm (40mm total)displacement scale : linear 20mmdisplacement display (mm) : red color 3 digit led displayexcitation frequency : 4khzexcitation voltage : ac variable 5v, dc digital voltmeter - 3 digit led/lcd display, measurement range: 0 20 v dc, accuracy: class 0.5( 0.5 % full-scale), dc ammeter digital - 3 digit led/lcd display, measurement range: 0 5 a dc, accuracy: class 0.5 ( 0.5 % full-scale)

CTN :45365476

13 Jun, 2026 NA

Tuticorin - Tamil Nadu

Tender For purchase of lab equipments for ece dept - purchase of lab equipments for ece dept, dc voltmeter (digital) (item code : c006) 1.dcvoltmeteranalog moving coil -(0-10)v, class1.0( 1%full- scale)accuracy - 5 nos2.dcvoltmeteranalog- movingcoil-(0-30)v, class1.0( 1%full-scale)accuracy - 4nos, dc ammeter(item code : c007)specifications: 1. dcammeteranalog movingcoil- (0-30)ma,. 5 nos2. dcammeteranalog -movingcoil -(0-1000) a, class 1.0 ( 1 % full-scale) accuracy - 5 nos, decade capacitance box(item code : c0011)specifications: range: 100 pf to 100 f rotary switch selection with 6 dials. maximum voltage: 350 v. accuracy: 1%., decade inductance box(item code : c0012specifications: range:10 hto10h. rotaryswitchselectionwith6dials. low-lossinductors. accuracy: 1%., 8051 microcontroller kit(item code : c0013)specifications: operating voltage: +5 v dc. flash memory: 4 kb (at89c51) / 8 kb (at89s52). ram: 128 bytes internal ram. 16 2 alphanumeric lcd display. push buttons / tactile switches. dip switches for digital input. inbuilt adc interface: ldr, potentiometer. inbuilt dac interface. inbuilt stepper motor driver with stepper motor. inbuilt dc motor driver with dc motor. 1 4 led array, 1 4 keypad, 1 relay. 1 buzzer, 16 2 lcd display, 1 pwm driver. 1 hardware interrupt key, inbuilt rtc. inbuilt eeprom and uart module. 4 7-segment display. supports both assembly and c language programming. pc interfaceable., embedded trainer kit (using lpc2148) (item code : c0014)specifications: cpu - lpc2148, core - 16/32 bit arm7tdmi-s speed - max 60 mhz, flash - 512kb, ram (on chip) 40kb, 46 general purpose i/opins, usb2.0 one 10bit a/d converter with 14 analog inputs, one 10bit d/a converter, six pwm & watchdog two uarts (16c550), two i2c (400kb/s), two spi eight bit digital output, eight bit digital input,16x2 characters lcd and 4x4 matrixkeypad one potentiometer for giving analog input, relay & buzzer interface i2c devices: rtc, eeprom and seven segment display, on board stepper motordriver lm35 temperature sensor, one rs 232 lines are terminated at 9 pin d type connector and usb interface board has inbuilt power supply and mounted in sturdy cabinet accessories usb cable with utility software to download programs from pc to target board power cord, user manual, temperature measurement kit (item code : c0019)specifications: sensors: rtd (pt-100), thermocouple (fe-k/j-type), and/or thermistor (ntc). display: 3 digit led/lcd digital display (typically 200 mv fsd). temperature source: portable water kettle or heater block. signal conditioning: on-board circuitry for amplification, linearization, and cold junction compensation. test points: multiple 2 mm / 4 mm banana sockets for monitoring input/output signals. power supply: 230 v ac, 50 hz, single-phase. accessories: glass thermometer, 10 k ntc thermistor probe, k-type thermocouple probe, patch cords and user manual., fpga trainer kit(item code : c0025)specifications: must use industry-standard mid-range fpga device usb-jtag programmable, compatible with vivado ise (webpack). power supply: 5 v dc through usb or external adapter. on-board peripherals: leds, switches, push buttons, 7-segment display,clock source, gpio / pmod expansion ports, uart, vga / hdmi, usb uart bridge, usb cable. user manual.

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