Electronic Timer Using IC-555 with Power Supply Manufacturer,Supplier and Exporter in India
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Product Code : SCL-EELE-12916
Indian Lab Suppliers supplies the Electronic Timer Using IC-555 with Power Supply (Product ID: 12916) as part of its electronics engineering lab equipment range. It is a relay timer built around the 555 IC, used in monostable mode to switch a load for a set time after a push-button start.
Quick Answer
Pressing the start button triggers the 555, whose output goes high and energises the 12 V relay for a period set by the timing resistor and capacitor (about 1.1RC in monostable mode). A potentiometer in the timing network lets students change the delay and check measured times against the calculated value. A 12 V DC, 100 mA IC-regulated supply is built in, so no other apparatus is needed, and the board runs from 230 V ±10%, 50 Hz mains.
Key Specifications
| Parameter | Detail |
|---|---|
| Timer | IC 555 |
| Output | 12 V relay |
| Start | Push button |
| Control | Time-delay potentiometer |
| Supply | 12 V DC, 100 mA, IC regulated |
| Mains | 230 V ±10%, 50 Hz; ON/OFF switch, fuse and indicator lamp |
| Connections | 4 mm stackable patch cords, 0.5 m |
Where This Is Used
Compared with the thyristor-based Thyristor Time Delay Relay with Power Supply (Product ID: 12886), and used with the Thyristor Alarms with Power Supply (C.R.) (Product ID: 12887) in control-circuit practicals. Browse the full Electronics Engineering Lab Equipment range or related Electronics Lab Equipment products.
Frequently Asked Questions
How is the delay calculated?
In monostable mode the pulse width is about 1.1 × R × C.
How is the timer started?
With the push-button start switch.
Is an external supply needed?
No, a 12 V regulated supply is built in.
Related Categories
Electronics Engineering Lab Equipment · Electronics Lab Equipment · Engineering Lab Equipment
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