To Study Infrared Radiations Emitted By Different Sources Using Phototransistor & LDR Manufacturer,Supplier and Exporter in India
Product Code : SCL-EELE-12117
Indian Lab Suppliers supplies the To Study Infrared Radiations Emitted By Different Sources Using Phototransistor & LDR (Product ID: 12117) as part of its electronics engineering lab equipment range. It is a set-up for comparing the infrared output of different sources using a phototransistor and an LDR.
Quick Answer
Each detector is connected in turn to a regulated 5 V, 20 mA supply, and its current is read on a 65 mm AC/DC milliammeter (0–20 mA) as the source is changed or moved. Sources include an IR LED and a table lamp taking 40 W, 60 W and 100 W incandescent bulbs, and a 0–100 Ω variable resistance adjusts intensity. Comparing the two detectors shows that the phototransistor responds strongly in the near infrared while the LDR is most sensitive in visible light. The exact sources supplied should be confirmed at quotation. Incandescent bulbs get hot, so let them cool before changing them.
Key Specifications
| Parameter | Detail |
|---|---|
| Detectors | Phototransistor, LDR |
| Meter | AC/DC milliammeter, 65 mm, 0–20 mA |
| DC supply | 5 V at 20 mA, regulated |
| IR sources | IR LED; table lamp with 40, 60, 100 W incandescent bulbs |
| Intensity control | Variable resistance 0–100 Ω |
| Mains | 230 V ±10%, 50 Hz |
| Size / weight | 340 x 125 x 210 mm; about 2 kg |
Where This Is Used
Used in B.Sc. physics and optoelectronics labs; the Study of Proximity Sensor (Product ID: 12093) applies IR detection to object sensing. Browse the full Electronics Engineering Lab Equipment range or related Physics Lab Equipment products.
Frequently Asked Questions
Which detectors are compared?
A phototransistor and a light-dependent resistor.
Which sources are used?
An IR LED and incandescent bulbs of 40, 60 and 100 W.
What does the meter read?
Detector current, 0–20 mA.
Related Categories
Electronics Engineering Lab Equipment · Physics Lab Equipment · Electronics Lab Equipment
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