Latest null detector Tenders | Government null detector Tenders

State Government

CTN :45148157

13 Jul, 2026 NA

Gandhinagar - Gujarat

Tender For corrigendum : supply of sight glass 1 as per atc , sight glass 2 as per atc , sight glass 3 as per atc , sight glass 4 as per atc , sight glass 5 as per atc , sight flow indicator 1 as per atc , sight flow indicator 2 as per atc , oil level indicator 1 as per atc , oil level indicator 2 as per atc , oil level indicator 3 as per atc , oil level gauge galss 1 as per atc , oil level gauge galss 2 as per atc

CTN :45562952

01 Jul, 2026 43.22 Lacs

West Tripura - Tripura

Tender For supplying, installation, testing and commissioning of equipments for electrical measurement, electrical workshop, electrical machine & power system laboratory at ttaadc polytechnic institute, khumulwng, west tripura for the project "improvement of infrastructure in ttaadc polytechnic institute, khumulwng, west tripura, district under higher education department” under the nec scheme. (2nd call) - supplying, installation, testing and commissioning of electrical measurement, electrical workshop, electrical machine & power system laboratory equipments/machineries of electrical engineering department at ttaadc polytechnic institute, khumulwng, west tripura under the nec scheme "improvement of infrastructure in ttaadc polytechnic institute, khumulwng, west tripura, district under higher education department." (2nd call), kelvin double bridge trainer kitthe instrument should have following features : easy illustration of kelvins bridge digital display (dpm) for null detection online product tutorialthe instrument should have following technical specifications :dc power supply : +5vknown resistance : r1=100k , 20k , 10k r3=1k , 200 , 100 dpm : 2vdimensions (mm) : 240 w x 345 d x 110 hunknown resistance : 0.3 , 0.4 , 0.8 mains supply : 230 v 10%, 50 hz, whetstone bridge trainer kitthe instrument should have following features :sample : constantan, nichromeprovided with dc power supply compact designeasy to operatethe instrument should have following technical specifications:dc power supply:5vgalvanometerdeflection:30 - 0 30resistance:80 unknown resistance type: variablerange:0 - 10k wire samples: -constantan: 1mnichrome:1mfuse:500mamains supply: 90 - 275v, 50hzdimensions (mm):w 345 x d 240 x h 110, experimentation with de sautys and schearing bridgethe instrument should have following features: - a complete set up with all necessary accessories inbuilt 1 khz sine wave generator with variable amplitude null detector with dpmtechnical specification: -sine wave generatorfrequency range:1khz 10%amplitude control output: up to 15vppfuse:500 ma, s/bdpm:200 mvunknown capacitor:0.1 f, 0.22 f, 0.47 fmains supply:230v ac, 10%, 50hzdimension (mm):w 345 x d 240 x h 110, experimentation with maxwells bridgethe instrument should have following features : illustration of both maxwells inductance bridge and maxwells inductance-capacitance bridge on a single board inbuilt 1 khz sine wave generator with variable amplitude null detector with dpmthe instrument should have following technical specifications :mains supply : 230 v 10%, 50 hzdc power supply : +12v, -12vsine wave generatorfixed frequency : 1khz 5%amplitude control range : upto 20vppunknown inductors : 10 mh, 20mh, 30 mh, 56 h, 24 h, 12 hdpm : 200mvunknown internal resistance : 470w, 10 , 20 , 30dimensions (mm) : w 240 x d 345 x h 110, measurement of three phase active & reactive power with single phase wattmeter technical specifications:analog meters: analog voltmeter, range : 300v analog ammeter, range : 2a analog wattmeter power supplies: operated on mains power 415v, 50hz +10%components are mounted on the panels are: capacitive load inbuilt inductive load inbuilt resistive load (external)salient features: three phase power light indicator for mains. front panel built with high class insulated bakelite sheet with sticker well printed circuits and symbols. mcb for short circuit protection connections are brought out through 4mm colored safety sockets. patch cords 4mm. the trainer is housed in metal cabinet. size of the trainer set 36 x 24 , power & power factor measurement by ct & pt in three phase circuittechnical specifications:power supplies: ac power supply 0-415v at 4a operated on mains power 415v, 50hz +10%digital meters: digital voltmeter digital ammeter , digital wattmeter (analog), digital power factor meter components are mounted on the panels are: 3 phase capacitive load (inbuilt) 3phase resistive load (external) 3phase inductive load (external) emergency stop

CTN :45416327

16 Jun, 2026 11.00 Lacs

Payyanur - Kerala

Tender For supply of multi process control trainer setup for instrumentation engineering lab under mhrd scheme - purchase of multiprocess control trainer setup for instrumentation engineering lab under mhrd scheme - multiprocess control trainer set up, multiprocess control trainer set up - specifications:- setup must contain flow, pressure, level, temperature loops also derived loops like cascade and feedforward loops. temperature loop must be independent. setups consist of a circulating closed loop water plant or circulating water system including control valve, tanks, independent pumps and necessary valves including bypass valves and rotameters. using this we can be able to do flow control loop with pid,level control loop with pid,and pressure control pid, as independent experiments.the setup must include the following:1.one linear characteristics diaphragm operated control valve with 15mm stroke 1/2-inch size, type: high-capacity globe seat leakage class (as per ansi/fci 70.2).2.measuring tank with volumetric measurement scale and 1000mm level, in of 25 ltr capacity. sump tank min of 40 ltr capacity. all tanks made of ss304, with sight glass, and finished with mat steel finish.3.2 no s smart dp transmitter for flow and level measurement with hart protocol, display and keys integrated for calibration,0-1000mmh2o measurement range,0.01% accuracy, international iso certified ce approved make,24v supply,4-20ma output, loop powered.4,1nos of magnetic flowmeter with display and keys integrated for calibration,0-2000lph measurement range, read out: 0 - 100%, 4-20ma lcd display,0.05% accuracy, international iso certified ce approved make,24v supply,4-20ma output to measure flow as a independent loop.5,. smart pressure transmitter and temperature transmitters with hart protocol, display and keys integrated for calibration, pressure transmitter 0-10bar measurement range, read out: 0 - 100%, 4-20ma lcd display,0.05% accuracy, temperature transmitter 0-250 rtd type international iso certified ce approved make,24v supply,4-20ma output, loop powered.6, pressure tank of 24 liters with necessary valves for pressure loop.7.1nos orifice plate (ss304) and assembly grade with flange 1/2-inch size for flow measurement.8.2 nos pumps 0.5hp, ss centrifugal pump, minimum 1-inch pipeline of ss or high-pressure withstanding plastic with plastic welding.9. rotameters 2nos 1 inch size flow: 200-2000 l/h,ss thread, clear acrylic type.10, plc control station with 4 analogue inputs and one analogue output with necessary digital inputs and outputs to operate all loops directly from panel side.plc must have ethernet connectivity with supported protocols profinet and modbus tcpip.11.required all pneumatic components to full fill the process loops such as fr,needle valves etc.12,i to p converter 4-20ma to 3-15psi with 1/4" process connection with proper copper copper tubing.13, loop including flow pid control, level pid control, pressure pid control, cascade control (level flow), ratio control (flow flow).14.all loops can be operated using a scada system and independent pushbutton control includes trend of all analogue signals and pid tuning. scada direct profinet connectivity to plc and computer with intel i5 processor, 8gb ddr3 ram,1tb sata hdd,licenced windows 11 professional.15, required a standalone software application that must be installed on pc in which it can used to control and monitor all the functions used in scada. the application must contain process parameter trend graph plot for to study about process loops.16.the whole system setup must be in ms powder coated standalone mobile table with lockable castor wheels. all the components used be industrial. copper tubing for air connection, pressure gauges 4inches 3nos, electrical wiring connection to be flexible for to connect field devices. panel with switches, indicator, test points with banana connectors as required, multistrand wire with proper insulated lugs, ferruling & neat wire dressing & clam

CTN :45404156

16 Jun, 2026 NA

Chennai - Tamil Nadu

Tender For supply of lab equipment for department of instrumentation and control engineering - i/p and p/i converter, pressure measurement using bourdon tube and lvdt setup, level measurement using float and sight glass indicator, temperature transmitter trainer kit, single phase transformer with load, saybolt viscometer, on off control of temperature process, flow measurement using electromagnetic flowmeter

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.

Central Government And Public Sector

CTN :43465116

04 Apr, 2026 NA

Damanjodi - Odisha

Tender For bid to ras corrigendum : supply of complete assembly of gauge glass type level indicator assy for amt-1and2 of sac_mb- 14500062800_1_1000068747_uom_ea , flange connected gauge glass for cdt-1 along with 2 nos spare vent plug and drain valve in loose condition- 14500040150_2_1000068747_uom_ea , morpholine dozing tank gauge glass along with 2 nos spare vent plug and drain valve in loose condition- 85503211520_3_1000068747_uom_ea , double window flow sight toughened glass with 50nb pipe and flange on both sides of glass assy- 14500004520_4_1000068747_uom_ea , 15nb flow sight indicator of type- double window standard- 14356217070_5_1000068747_uom_ea , 25nb flow sight indicator of type double window standard- 14370071180_6_1000068747_uom_ea , 40nb flow sight indicator of type double window standard- 14370071250_7_1000068747_uom_ea , 50nb flow sight indicator of type double window standard- 14370071320_8_1000068747_uom_ea , 80nb flow sight indicator of type double window standard- 14370071490_9_1000068747_uom_ea , 100nb flow sight indicator of type- double window standard- 14370071560_10_1000068747_uom_ea

CTN :44719475

11 Apr, 2026 NA

Visakhapatnam - Andhra Pradesh

Tender For supply of sight flow indicator (sg-8401) , sight flow indicator (sg- 8402) , sight flow indicator (sg-8403)

CTN :44610143

21 Apr, 2026 NA

Kanpur - Uttar Pradesh

Tender For supply of lop and cop oil cabinet spares for axial fans d d - 60point3per50 deg c watertemp 39per45point1 degc part no rm401760 fd fan lop , heat exchanger 9point21 kw oiltemp 68point9per50 deg c watertemp 39per45point1 degc part no rm401757 id fan cop , heat exchanger 4point6 kw oiltemp 60point8per50 deg c watertemp 39per45point1 degc part no rm401761 pa fan lop , ball valve lever operated dn 25 l3rbtc cs ball valve 3 piece design connection 1inch bsp f part no rm61966 fd id pa fan lop cop , ball valve part no 551094 raph lop , ball valve part no 702417 raph lop , prv self actuated screwed ends body a216 wcb internal ss316 inlet set pressure 10per7bar medium water part no rm100231 fd pa id fan lop cop , check valve connection g0point75inch moc free cutting steel cr press 8 bar part no 425031 fd pa id fan cop , check valve connection g0point5inch moc free cutting steel cr press 8 bar part no 4250319 fd pa fan lop , check valve connection g1inch moc free cutting steel cr press 8 bar part no 4171885 id fan lop , check valve part no 4171188 raph lop , check valve part no 4171206 raph lop , inline filter rfld bn per hc 241 eaf 10 a 1 x part no fa01295 raph lop , he plate type 1point57kw oil inlet per outlet-55per45 deg c water in per out 37.60per38.41 deg c wp per rp 10per13 bar part no rm301042 raph lop , three way thermostatic control valve 43 deg c part no rm69830 raph lop , sight flow indicator 25 nb part no rm300183 raph lop , sight flow indicator 50 nb part no rm300182 raph lop , ball valve part no 551095 raph lop , piping spare kit include recommended seamless pipe flanges gasket o ring coupling hose elbow male female coupling clamp pa fan cop , piping spare kit include seamless pipe flanges gasket o ring coupling hose elbow parallel stud male female coupling clamp fd fan cop , piping spare kit include seamless pipe flanges gasket o ring coupling hose elbow parallel stud male female coupling clamp id fan cop , piping spare kit include seamless pipe flanges gasket o ring coupling hose elbow parallel stud male female coupling clamp raph lop //bid details 2 / 43

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