Light Intensity Control System Manufacturer,Supplier and Exporter in India
Product Code : SCL-EELE-13338
Indian Lab Suppliers supplies the Light Intensity Control System (Product ID: 13338) as part of its electronics engineering lab equipment range. It is a closed-loop control experiment in which a light sensor and PI controller hold the brightness of a lamp panel at a set level.
Quick Answer
Seven 6 V, 300 mA filament lamps on the panel are driven by an amplifier, and a light sensor converts their average intensity into a voltage. A reference input, error detector and error amplifier complete the loop, and a switch brings in PI control. Extra uncontrolled lamps act as a disturbance, and a 5 Hz square and triangular signal is available for dynamic response tests. Students characterise the lamp panel and sensor, compare open- and closed-loop behaviour, monitor error and disturbance, and measure the improvement from PI control on a built-in 3½-digit DVM. It runs on 220 V ±10%, 50 Hz; lamps get warm in use.
Key Specifications
| Parameter | Detail |
|---|---|
| Lamps | 7 x 6 V / 300 mA filament lamps, plus uncontrolled disturbance lamps |
| Sensor | Light sensor for average panel intensity |
| Controller | Switch-selectable PI |
| Test signals | 5 Hz square and triangular |
| Meter | 3½-digit DVM |
| Power | IC-regulated internal supplies; 220 V ±10%, 50 Hz mains |
| Included | Manual with typical results, patch cords |
Where This Is Used
Used in control systems labs to show the effect of feedback on sensitivity, disturbance rejection and accuracy. Related: PID Controlled Oven (Product ID: 13351) and Light & Temperature Trainer (Product ID: 13352). Browse the full Electronics Engineering Lab Equipment range or related Electronics Lab Equipment products.
Frequently Asked Questions
How is a disturbance applied?
By switching on the uncontrolled lamps on the panel.
What does PI control add?
The integral term removes the steady-state error left by proportional control.
What is measured?
Sensor output, error and controller signals, on the built-in DVM and at test points.
Related Categories
Electronics Engineering Lab Equipment · Electronics Lab Equipment · Engineering Lab Equipment
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