To Construct A Time Switch and Study The Dependence of Its Time Constant On Various Factors Manufacturer,Supplier and Exporter in India
Product Code : SCL-EELE-12118
Indian Lab Suppliers supplies the To Construct A Time Switch and Study The Dependence of Its Time Constant On Various Factors (Product ID: 12118) as part of its electronics engineering lab equipment range. It is a set-up for building an RC-timed relay switch and measuring how its delay depends on resistance, capacitance and other factors.
Quick Answer
A capacitor charges through a resistor until the transistor turns on and operates a 6 V DC relay, lighting an LED; the delay is set by the RC time constant. Students build the circuit from the transistor, diode, four resistors and three capacitors on the panel, change R and C, and time each delay with the built-in digital stop clock (0.1 s resolution, 999.9 s range, quartz controlled, ±0.01%, four 12.5 mm seven-segment digits). A regulated 6 V, 50 mA supply is built in and the unit runs on 230 V ±10%, 50 Hz.
Key Specifications
| Parameter | Detail |
|---|---|
| Stop clock | 0–999.9 s, 0.1 s resolution, ±0.01%, quartz; toggle start/stop, push-button reset |
| Display | 4 x 12.5 mm seven-segment |
| DC supply | 6 V at 50 mA, regulated |
| Components | Transistor, diode, 4 resistors, 3 capacitors, 6 V DC relay, LED, SPST switch |
| Mains | 230 V ±10%, 50 Hz |
| Size / weight | 340 x 125 x 210 mm; about 1.5 kg |
| Accessories | 4 mm stackable patch cords, 50 cm |
Where This Is Used
Used in B.Sc. and senior school physics labs for RC time-constant work; the Study of transient response in LR, RC & LCR Circuits using Expeyes (Product ID: 12119) covers RC, RL and LCR transients. Browse the full Electronics Engineering Lab Equipment range or related Physics Lab Equipment products.
Frequently Asked Questions
What sets the switching delay?
Mainly the RC time constant of the timing resistor and capacitor.
How is the delay timed?
With the built-in digital stop clock, to 0.1 s.
What does the switch operate?
A 6 V DC relay with an LED indicator.
Related Categories
Electronics Engineering Lab Equipment · Physics Lab Equipment · Electronics Lab Equipment
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