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Eligibility, documents, scope and key termsEligibility, required documents, scope of work and key terms of this tender, in one click.
Tender Value
Refer Docs
EMD Value
₹8,286
Closing Date
13 Jan 2026, 3:00 pmClosed
Eligibility, documents, scope and key termsEligibility, required documents, scope of work and key terms of this tender, in one click.
The Registrar
Bharathiar University, Coimbatore
Sensor Deployment
2025_HE_637196_1
C7/CRTD/Comp.Sci/CMRG/1838
Open Tender
Electrical Goods/Equipments
Supply
Bharathiar University
Please refer Tender documents.
8 documents required · 8 mandatory
₹0
₹8,286
Yes
3 Jun 2026
29 Dec 2025
14 Jan 2026
29 Dec 2025
13 Jan 2026
29 Dec 2025
Purchase of Sensors
CO₂ Sensor: 0–5000 ppm range, ±(50 ppm + 3%) accuracy, UART/I²C interface, 3.6–5.5 V DC, –10°C to +60°C
Combo Sensor (Temp, Humidity, Barometric Pressure, VOCs): Digital I²C/SPI interface, operating range –40°C to +85°C, supply voltage 1.7–3.6 V
Rain Detection Module: analog/digital output, 3.3–5V DC, corrosion-resistant pad
Light Intensity Sensor: 400–700 nm range, I²C/analog output, measures ambient light in lux
Wind Speed and Direction Integrated Sensor: 360° direction, 0–60 m/s speed range, analog/digital output and suitable for outdoor climatic monitoring
220V AC Power Cable
SMPS (AC to DC Power Supply, 5V & 12V Output): AC to DC Power Supply, 5V & 12V Output
SMPS (AC to DC Power Supply, 24V Output): AC to DC Power Supply, 24V Output
ESP32-WROOM-S2 Module: Wi-Fi-enabled MCU, 32-bit LX7 core, 4MB Flash, UART/SPI/I²C interfaces, operating voltage 3.0–3.6 V
LED Indicators: 3mm/5mm, red/green/blue, 2V–3.3V forward voltage, for status indication
LCD Display: 16x2 characters, HD44780 compatible, I²C interface, 5V DC
I/O Connectors (2-pin, 3-pin, 4-pin, RMC): 2/3/4-pin, RMC type, pitch 2.54 mm, for sensor and power interfacing
Real Time Clock (RTC) Module: I²C interface, battery backup, accurate timekeeping for data logging
GSM GPRS Module SMS Chip: Quad-band 850/900/1800/1900 MHz, supports UART interface, SIM card slot, 3.4–4.4 V DC input
Wires (jumper, power, signal wires combined) Rainbow wires - 10 core, Red and black wires - 10 core and 5 core
1.5 sq mm Electrical Wires
2 sq mm Electrical Wires
Soldering Paste: no-clean flux, Sn63/Pb37 alloy, for SMT component soldering
Soldering Lead: 60/40 alloy with flux core, 0.5–1 mm diameter
Universal PCB Prototype Board Double-Sided: double-sided FR4, 2.54 mm pitch, tinned pads for soldering
XT60 Connectors: high-current (up to 60A) DC connectors
Enclosure Box (for Electronics): Weatherproof (IP65/IP66), UV-resistant ABS/Polycarbonate, wall/pole mountable, suitable for outdoor sensor and control units
Zip Ties: nylon, self-locking, 100–300 mm length
Cooling Fan (5V): 5V DC, 40mm, brushless, sleeve bearing.
Switches: (5 amps, 10 amps, 20 amps)
Lead Acid Battery (12V): Rechargeable, sealed maintenance-free, capacity 7Ah–26Ah
Sunlight Ultraviolet Ray Intensity (UV) Sensor: Detects UV radiation in 280–400 nm range, outputs UV Index (0–11+), analog/digital interface, suitable for outdoor UV monitoring
Lead Acid Charger: 12V output, automatic overcharge protection, input 100–240V AC
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