Pan-India Shipping on Bulk Orders•Special Discounts for Schools & Institutions•GST Invoice on All Orders•ISO Certified · MSME · GeM Seller•Pan-India Shipping on Bulk Orders•Special Discounts for Schools & Institutions•GST Invoice on All Orders•ISO Certified · MSME · GeM Seller•

+91 86838 78878 Samtechlabs@gmail.com

Doppler Effect Kit

Name: Doppler Effect Kit
Brand: Samtech Instruments
SKU: SAW-112
Rating: 4.2 (6 reviews)

In StockBulk orders available

SKU: SAW-112

★★★★☆4.2(6 reviews)

A model for demonstrating the Doppler effect and changes in sound frequency due to motion.
Includes a buzzer, long string, battery cells, and plastic cell holder
Demonstrates the change in pitch as the sound source moves toward and away from the observer
Durable plastic construction for classroom demonstrations and STEM activities

SKU

SAW-112

Product Description

Best forClass 9–11

BoardsCBSE · ICSE

UseDemonstration

Made inIndia

A simple Doppler effect kit — swing a buzzing source on a string and hear the pitch rise as it nears and fall as it moves away, exactly like a passing siren.

How it works

Switch on the buzzer and swing it on the string
As it moves toward you the pitch sounds higher
As it moves away the pitch sounds lower

What students learn

Explain the Doppler effect
Relate apparent pitch to the source's motion
Connect it to sirens and passing vehicles

Try these experiments

Swing the buzzer in a circle and listen
Compare pitch approaching vs receding
Discuss real-life Doppler examples

Curriculum fit

Board	Class	Chapter / topic
CBSE	9	Sound
CBSE	11	Waves — Doppler effect

In the box

Buzzer with a long string
Battery cells and plastic cell holder
Demonstration kit

Pairs well with

Tuning Fork SmallSAW-104

Organ Pipe ModelSAW-103

Questions

Frequently Asked Questions

The Doppler Effect Kit is manufactured by Samtech Instruments (JAYSEE brand), a science laboratory equipment manufacturer based in Ambala Cantt, Haryana, India, producing educational lab apparatus for schools and institutions for over 20 years (since 2002).

The Doppler Effect Kit suits secondary and senior secondary students (typically Classes 8 to 12) for both teacher demonstrations and student practicals, aligned to CBSE, ICSE and State board science curricula.

Yes. As a direct manufacturer, Samtech Instruments offers competitive bulk pricing for schools, dealers and institutions, with GST invoicing and full support for government (GeM) tenders. A minimum order quantity applies; message us on WhatsApp for a quote.

Pricing for the Doppler Effect Kit is shared on enquiry, since it depends on quantity and specification. Send the model name on WhatsApp (+91 86838 78878) and we will share the current price, availability and lead time.

Yes. The Doppler Effect Kit is made in-house at our Ambala Cantt facility and quality-checked before dispatch. We ship pan-India in about 4 to 5 working days; bulk and institutional orders are packed securely for safe transit.

Write a Review

Used this product? Share your experience.

The Manufacturer

Made in India by Samtech Instruments

Samtech Instruments (JAYSEE brand) is a trusted manufacturer of school science and STEM laboratory equipment, based in Ambala Cantt, India, serving educators for over 20 years (since 2002). We supply a wide range of physics, chemistry, biology, astronomy and renewable-energy teaching kits to schools, dealers and institutions across India, with competitive bulk pricing and full support for government (GeM) tenders.

Learn more about Samtech Instruments →