Latest siren spares Tenders | Government siren spares Tenders

Central Government/Public Sector

CTN :42999510

16 Dec, 2025 NA

Guna - Madhya Pradesh

Tender For supply of io0528603500645006-ammonical nitrogen analyzer (make-hach) sensor cartridge , io0528603500445004ryton salt bridge, kynar for ph analyzer sensor , io0528603 500345003-digital ph sensor

Private Sector

CTN :42984841

09 Dec, 2025 NA

Jhajjar - Haryana

Tender For supply of m9476556712" silica analyser, swas" , m9476486071" phosphate analyser, swas" , m9476616252" conductivity module-model-9525800, sc200 , m9476616253" ph sensor module- model-9525700, sc200"

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.

Central Government/Public Sector

CTN :42616342

04 Dec, 2025 NA

Ropar - Punjab

Tender For corrigendum : supply of 2 wire ph transmitter , ph sensor for ph transmitter

Central Government/Public Sector

CTN :42621618

10 Dec, 2025 NA

Bathinda - Punjab

Tender For corrigendum : supply of programmable controller , ph sensor , ph transmitter

CTN :42847300

08 Dec, 2025 NA

Panaji - Goa

Tender For tender for supply of laboratory equipments and instruments - machinery & equipment, elico cl223 colorimeter peak wavelength:410,470,490,520,540,580,610,640nmaccessories: matched test tubesphotometric range: %transmission: 0 to 250absorbance: (-)0.31 to 2.0absrepeatability:0.01 absreadability %t 1 abs 0.01light source: led detector :silicon photodiode, weighing balance weighing range: 1mg to 200gm readability: 1mg high quality industrial engineering plastic windshield with sliding doors short stabilization time failure alarm & overload protection function stainless steel pancomes with standard weight for calibration 100gm, one pan heating carousel with magnetic stirring holding capacity: 100 to 250 ml lcd display for temperature and stirring speed heating indication: red led temperature sensor temperature sensor resolution: 0.25 c rpm setting: electronic mode rpm sensor: i.r. sensor speed: upto 1500 rpm feather touch keypad hot plate top bowl type power supply 230v ac/50hzdimensions: 170 (w) 230 (l) 150 (h) mm, high precision weighing balance weighing capacity : up to 220 gm readability: 0.1mg, and repeatability 0.1 mg or less linearity: + /- 0.2mg reproducibility: /= 0.1mg standard deviation : +0.1mg pan : 90mm or more verifiability: capable of ec/oimc certification calibration: use 100gm +/-0.1mg display: touch screen led touch technology draft shields: glass shield weighing cell: monolithic weighing cell technology function: inter counting , percent weighing, weighing read out in most common international units leveling: manual adjustments: internal isocal calibration using fully automated internal temperature and time-controlled calibration and adjustment feature password protection for secure operation protects the balance against unintentional changes option to enable balance to adjust to ambient conditions with one click on the screen stabilization time : 1.5 seconds acrylic cover box with draft (one on each side and one on top) for additional protection from moisture and dust, magnetic stirrer with hot plate and external temperature sensorpower (w): 550max. stirring quantity (water)(liters):5 motor rating input (w):18 motor rating output (w):10 speed range (rpm):150-1500 speed / temperature display: digital lcd speed display resolution (rpm): 1 top plate material: stainless steel heating power (w): 500 temperature range: from room temperature to 340 c control accuracy of heating temperature: 1 c residual heating warning alarm: above 50 c control accuracy of heating temperature: 0.2 c external temperature sensor, electronic balancetop loading with transparent glass/ acrylic case cover weighing range: 0.1 mg to 200 g minimum weighing capacity: 0.1 mg maximum weighing capacity: 200 g readability: 0.1 mg display: electronic (lcd) weighing pan: stainless steel weighing pan size: 90 mm to 120 mm adjustable tare range up to maximum capacity of the balance, level indicator response time: 4 to 5 sec calibration: built in calibration/auto calibration gmp compliance unit: mg, g, ct key sound: yes; class:1; power supply: ac 220v/50-60 hz, ultrasonic processor/ probe sonicator with timer and pulse: microprocessor controlledwatts: 130 min sample size (ml): 0.15 max sample size (ml): 150 processing time from 1 second to 10 hours with timer control and a pulser display: lcd stainless steel probes: (2 mm, 3 mm, 6 mm, and 13 mm) with replaceable tip support stand with converter clamp power (vac): 220 power (hz): 50/60, high precision pen ph meteroperating temperature: 0 - 99 c measurement resolution: 0.01 ph ph range: 0.00-14 ph unit display: lcd/led ph accuracy: 0.05 temperature display fully waterproof moisture, dust, sand and heat resistant material: epoxy shaft other features: auto off function, low battery indicator, units for temperature power supply: battery accessories: calibration solution, variable volume pipette (10 to 100 l) autoclavable :autoclavable number of channels: 1 volume (metric) :10 to 100 l increments 0.2 l

Central Government/Public Sector

CTN :42850126

10 Dec, 2025 5.00 Lacs

Tadepalligudem - Andhra Pradesh

Tender For supply of consumable items for ug students at nitanp. - 4pin ir infrared flame detection sensor module, 4-wheel drive robot smart car chassis kits, tip122 transistor in4148 diode, capacitor (102 pf3x33pf) resistor(1kohm, 1w), solar panel, 18 v (vmp)/50-100 w monocrystalline, charge controller pwm 10a/12v solar controller, charge controller, pwm 10 a/12 v solar controller, zvs inverter module, 5-12 v mini zvs induction heating module coil, resonant capacitors (ctx), polypropylene 0.47-1 µf/250 v, decoupling capacitors, 100 µf electrolytic, decoupling capacitors, 1 µf film each, copper wire for rx coil, enameled cu wire awg 18 (1.0 mm) in meter, resonant capacitor (c rx), 25 nf/250 v film capacitor, rectifier schottky bridge mbr3045 or 4+ mbr2045, filter capacitor, 1000 με 125 v electrolytic, display mcu arduino uno/atmega board, lcd module, 16x2 hd44780 type lcd, dc fan 12 v brushless dc fan (0.1-0.3 a), current sensor acs712-058 (0-5a), 35v, din rail enclosure (200x150x80mm, ip20, plastic), terminal blocks (5mm pitch, 2-20 positions, pcb mount), power supply (12v dc, 3a, 36w, input: 100-240v ac), gsm antenna (900/1800mhz, sma connector, 3dbi gain), resistor kit (500pcs, 10-1mq, 1/4w, carbon film), rgb led (common anode, 5mm, 4-pin, diffused), 0.96 oled display module spi/i2c-128x64-7 pin blue, ads1115 adc, tp4056 charger, resistor box (assortment of 130 resistors and 30 values), ceramic capacitor box (100 pieces, 20 values), (50-120 pcs) inductor assortment kit, op-amps (lm358 of tl072), on/ off toggle switch, rotary encoder with push button, mcp4725 dac module, micro-sd card module 32gb, tactile push button switch 6x6x5 (pack of 10), pzem-004t v3.0 module (80-230v ac, 10-100a uart), microsd memory (8 gb), lcd display (16x2 lcd) with 12c module, gsm sim800l module, lm385 op-amp gain module, single phase energy meter (240v, 0-30a, 50 hz), plastic box (15×10-7 cm²), micro switch(5v), bpw34 photodiode, micro sd card module, 12v nema 17 stepper motor, b mm chromed steel rod 5.5cm, 8 mm chromed steel rod 35cm, mgn12h linear guide rail-0.5m with sliding block, 12v adapter za or above, barrel connector (female), 6 mm idier wheel (3 mm bore), high-current driver circuit (eg. mosfet/h-bridge), (3.3 v gate compatible), calibration fluids (for ph and tds) (ph 4.00, 7.00, 10.00, ec 1413 µs/cm, 100 ml), waterproof connectors/probe guards, ph sensor kit (arduino-compatible) (0-14, ph, analog 0-5v), tos/ec sensor kit(arduino-compatible),0-, 2000ppm (0-5v output), insulated copper wire (25 meters), rectifier (6-10) a, lipo or lithium-ion battery (3.7v/9v), solar panels (5-6)v, w88-a 10a solar charger controller, magnetic field sensors, super strong neodymium magnets (6x2 mm silver, pack of 100) | ultra powerful rare earth round, magnets for fridge, crafts, diy, office & home use, buzzer, electromagnet solenoid (12 v rated, <=3a), induction coils, ac-to-dc power adapter supply (eg. 100v ac to 99 dc), witching relay (5 or 12 v.10 a contact rating), submersible water pump or agitator (dc 3-12v, 100 l/h flow), solar universe india 30watt 12v solar modules solar panel, lm2596 dc-dc buck buck converter module, ina219 sensor module, gp2y1010au0f sensor, 16x2 lcd display, zmpt1018 voltage sensor, 16x2 12c lcd display module, 5 volt ac dc converter, 40-watt bulb as load, current sensor (sct-013), rtc module -ds3231, microsd card module, vibration/accelerator sensor, transistor (bc547 or npn), pro-range 392.4 n-cm 50 rpm 12v planetary gear, dc motor pgm45775-99.5k, shafts/axles (steel rods, 3-5 mm), gt2 timing pulley, springs (soft, 20-30mm)/shock absorbers, chassis/frame (aluminum/acrylic/wood), screws, nuts, bolts, washers (m3/m4 assorted), remote control module (rf 433mhz, serial communication), lod display (16*2 lcd or 0.96 oled), gp2y1010au0f dust sensor (sv analog output), dc power supply/adapter: 12v, copper wire (25 m), pp capacitor (0.1uf-1µf, 2100v), mosfet-irfz44n (2 no), zvs driver board for tesla coll power supply board, induction heat

CTN :42794694

15 Dec, 2025 NA

Goindwal - Punjab

Tender For supply of analytical instruments in bop area. - meter ph, m200, high purity, range:0-14 ph, mettler toledogvk sap item code : 16052410, meter conductivity, m200, range: 0-1000 s/cm mettler toledogvk sap item code : 16052408, turbidity meter with meas cham & contler. range: 0-200 ntu with suitable sensor and other accessoriesgvk sap item code : 16057230, flow housing, ph, mettler toledo mettler transmittergvk sap item code : 16052407, sensor turbidity, instrument range: 0-30 ntugvk sap item code : 16035310, meter ph,m200, dual ch, mettler toledogvk sap item code : 16052406

State Government

CTN :42735269

08 Dec, 2025 NA

Sarni - Madhya Pradesh

Tender For enquiry for procurement of ph analyzer (sensor along with controller) and flow controller for online continuous effluent quality monitoring system (ceqms) of stps, sarni.

Central Government/Public Sector

CTN :42738389

04 Dec, 2025 NA

Chandigarh - Chandigarh

Tender For supply of electronic component and others d d - 720 coreless motor , rgb led , servo motor driver pca 9685 , ir sensor module , mini magnetic screw driver set , esp 32 cam module , jumper wire male to male bunch of 10 , jumper wire male to female bunch of 10 , jumper wire female to female bunch of 10 , arm cortex m4 development board with ethernet port , jetson orin nano , spanner set , glue stick , acrylic sheet 8x4 feets 1mm thickness , ic 7805 , solder wire in kgs , led red 5mm , led green 5mm , led white 5mm , led yellow 5mm , resistor 100k ohms , resistor 47k ohms , resistor 22k ohms , resistor 10k ohms , resistor 4. 7k ohms , resistor 2. 2k ohms , resistor 1k ohms , resistor 470 ohms , resistor 220 ohms , capacitor 1nf , capacitor 10nf , capacitor 100nf , capacitor 10uf , capacitor 47uf , capacitor 100uf , capacitor 470uf , capacitor 1000uf , small breadboard 400 tiles , usb to ttl converter , vga to hdmi cable , clear pvc tube pipe 6mm id x 8mm od in meters , rj 45 connector , programming cables usb to micro for esp32 8266 , programming cables usb to b-type for arduino , acrylic sheet cutter , glue gun , extension board 6a , desolder flux , power cable 3 pin computer , hdmi cable 1. 5 meter , lora sx1278 433mhz , charging usb to typec cables , nema 17 stepper motor d type shaft , single core wires 1 sq. mm , mg967 r digital high torque servo motor , mecanum wheel omni-directional smart robot car diy kit , m4x35mm phillips pan head ss 304 bolt , m3x35mm phillips pan head ss 304 bolt , m6x35mm phillips pan head ss 304 bolt , m8x35mm phillips pan head ss 304 bolt , m3 nuts , m4 nuts , m6 nuts , m8 nuts , oled 1. 3 inch , esp 32 wroom , aaa li-ion battery rechargable , aa li-ion battery rechargable , aa li-ion battery charger , aaa li-ion battery charger , 5v 1a adapter , ir sensor array 8 channel , mg 90 micro servo , photo interupter sensor , 12 volt brushed dc motor rs 555 , tf mini lidar , 10k ohm 3pin 15mm shaft potentiometer , male plus female 2. 1into5. 5mm for dc power jack , two trees stepper motor driver tb6600 4a , led matrix panel 3mm pitch 64x64 pixels , micro hdmi to vga cable , industrial grade analog ph sensor kit , n20 gear motors , linear actuator stroke length 100mm 7mm or s 1500n 12v , double sided pei spring steel sheet textured plus pei with magnetic base size 220x220mm , mdf board 8x4 feets thickness 4mm , mini hacksaw 10 inch with 10 blades

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