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Coupled Tanks Apparatus
Coupled Tanks Apparatus (Product Code: SLE/ETC/02) is a liquid-level control trainer used to investigate basic and advanced control engineering principles with one or two interconnected tanks in university and college laboratories. A variable-speed pump fills the left-hand tank, a connecting valve brings in the second tank for two-tank work, and each tank has a level sensor plus a scale for checking its calibration. Jain Scientific Equipments Pvt Ltd (ScienceLab), an OEM manufacturer, makes it at its own factory in Ambala, India.
Key Details
| Parameter | Detail |
|---|---|
| Tanks | Two tanks; a valve connects the left-hand tank to the second tank when two-tank experiments are needed |
| Pump | Variable-speed pump forcing water into the left-hand tank |
| Level sensing | A level sensor on each tank, giving an output signal proportional to the water level |
| Level scales | Scale on each tank so students can check the level-sensor calibration |
| Flow measurement | Rotameter-type flow meter showing flow rate, plus an electronic flow meter measuring it |
| Topics covered | Static and dynamic systems; fluid transport and liquid-level control problems; suits other strategies such as fuzzy logic |
| Product code | SLE/ETC/02 |
| Manufacturer | Jain Scientific Equipments Pvt Ltd (ScienceLab) — OEM |
| Country of origin | India (made in Ambala, Haryana) |
What Is the Coupled Tanks Apparatus Used For?
The basic control problem is to regulate the liquid level in one of the tanks by varying the speed of the circulating pump. With the connecting valve closed, students work with a single tank — a simple first-order process — and later open the valve to couple the tanks, creating an interacting two-tank system that is noticeably harder to control.
Having both a rotameter and an electronic flow meter lets learners check the pump's delivery by eye while also measuring it electrically, and the tank scales let them confirm the level sensors before relying on them. Beyond PID practicals, the apparatus suits modelling, system identification and advanced approaches such as fuzzy logic, making it a flexible piece of lab equipment for technical institutes and universities.
OEM Manufacturer
Jain Scientific Equipments Private Limited trades as ScienceLab and is the original equipment manufacturer of the Coupled Tanks Apparatus. Each unit is produced at the company's own licensed factory at Saha, Ambala, Haryana, India, rather than bought in from a trader. Quotations for a single bench or a full laboratory set come from the factory itself. The ScienceLab profile has more about the company.
Related Control & Process Engineering Trainers
Students who have worked through level control on the Coupled Tanks Apparatus can move on to these related trainers.
- PLC Process — two-tank rig with solenoid valves and a float switch for sequencing practice
- Process Trainer — level, temperature and pressure in one process vessel
- Controller — analogue PID and phase-lead blocks for closing the level loop
- Digital Interface — computer monitoring and control of the tank signals
The complete range is in the Control & Process Engineering Trainers category.
Frequently Asked Questions
How many tanks does the Coupled Tanks Apparatus have?
The Coupled Tanks Apparatus has two tanks. The pump fills the left-hand tank, and a valve connects it to the second tank when needed, so the same unit covers both single-tank and two-tank experiments.
How is flow measured on the Coupled Tanks Apparatus?
The Coupled Tanks Apparatus measures flow in two ways: a rotameter-type flow meter shows the flow rate visually, and an electronic flow meter measures it for signal-based monitoring and control work.
How can students check the level sensors on the Coupled Tanks Apparatus?
Each tank on the Coupled Tanks Apparatus has a scale, so students can compare the visible water level with the level-sensor output, which is proportional to the water level, and confirm the sensor calibration before experiments.
Which control methods can be studied with the Coupled Tanks Apparatus?
The Coupled Tanks Apparatus supports study of static and dynamic systems, fluid transport and liquid-level control, from basic feedback loops to advanced strategies such as fuzzy logic. The core task is regulating tank level by varying pump speed.
Who manufactures the Coupled Tanks Apparatus?
The Coupled Tanks Apparatus is manufactured by Jain Scientific Equipments Pvt Ltd (ScienceLab), the OEM, at its licensed factory in Saha, Ambala, Haryana, India. Colleges that later add benches can order matching units from the same manufacturer.
What details are needed for a Coupled Tanks Apparatus quotation?
For a Coupled Tanks Apparatus quotation, tell us the number of units, the delivery location and whether you also want a controller or computer interface from the same range. Send the request via our contact page or the enquiry cart.
Request a Quote
Ask for a Coupled Tanks Apparatus quotation through the contact page or by adding it to the enquiry cart. The quote is prepared by the manufacturer, Jain Scientific Equipments Pvt Ltd (ScienceLab), for buyers in India and international markets.
Last updated: 24 September 2026
