Ticker Tape Carbon Disc

Product Code : SLE/PHY/311

Ticker Tape Carbon Disc (Product Code: SLE/PHY/311) is a replacement carbon disc used in ticker tape timers to transfer a dot onto the paper tape each time the striker hits, in school motion practicals. Each disc measures 50 mm in diameter with a 4 mm hole, and the discs come in boxes of 100 for classes that run regular force and motion experiments. It is supplied by Jain Scientific Equipments Pvt Ltd (ScienceLab), Ambala, India.

Specifications

ParameterDetail
Diameter50 mm
Hole4 mm
For use withTicker tape timers
PackBox of 100
Product codeSLE/PHY/311
Supplied byJain Scientific Equipments Pvt Ltd (ScienceLab), Ambala, India

What Is the Ticker Tape Carbon Disc Used For?

In a ticker tape timer, the striker taps down at a steady rate, and the carbon disc between the striker and the paper tape turns each tap into a small dark dot. As a trolley or falling mass pulls the tape through, the pattern of dots becomes a record of its motion, so a clean, fresh disc is what keeps the dots sharp enough to measure.

When dots start to look faint or patchy, turn the disc slightly so the striker meets an unused area, and replace it once the whole face is worn. Store spare discs flat and dry in their box, and keep a box beside each set of timers so practicals are not held up by a worn disc.

What to Specify When Ordering

  • The number of boxes of 100 discs you need for the term or year.
  • That your timers take a 50 mm disc with a 4 mm hole.
  • Whether you also want ticker tape timers quoted at the same time.

Supplier

Jain Scientific Equipments Private Limited, trading as ScienceLab, supplies the Ticker Tape Carbon Disc from Ambala, Haryana, India as a consumable for motion practicals. We source the discs for schools, colleges and dealers in India and international markets, and can combine them in one quotation with ticker tape timers and trolleys. More about us is on the company profile.

Related Physics Lab Equipment

Apparatus used with the carbon discs in ticker tape experiments:

Explore all items in Physics Lab Equipment.

Frequently Asked Questions

What size is the Ticker Tape Carbon Disc?
The Ticker Tape Carbon Disc is 50 mm in diameter with a 4 mm hole. Check that your ticker tape timers take discs of this size before ordering, and ask us if you are unsure which disc your timers use.

How many discs are in a box of Ticker Tape Carbon Discs?
Ticker Tape Carbon Discs are packed in a box of 100. One box can keep several timers supplied across a series of motion practicals, and multiple boxes can be quoted for larger departments.

Which timers use the Ticker Tape Carbon Disc?
The Ticker Tape Carbon Disc is made for ticker tape timers, where a striker presses the disc against the paper tape to print dots. It suits timers that accept a 50 mm disc with a 4 mm hole; ask us to confirm the fit for your timer model.

When should a Ticker Tape Carbon Disc be replaced?
Replace a Ticker Tape Carbon Disc when the dots on the tape become faint or uneven even after turning the disc to a fresh area. Clear dots matter because students measure the spacing between them to work out speed and acceleration.

Does the Ticker Tape Carbon Disc include paper tape?
This listing covers the Ticker Tape Carbon Disc only, packed in a box of 100. Paper tape is not part of this item, so ask us through the contact page if you need tape or timers quoted with the discs.

Who supplies the Ticker Tape Carbon Disc?
The Ticker Tape Carbon Disc is supplied by Jain Scientific Equipments Pvt Ltd (ScienceLab) of Ambala, Haryana, India, to schools, colleges and dealers in India and international markets. Bulk orders of several boxes can be quoted together.

Request a Quote

Send the number of boxes and your delivery location through our contact page, or add the Ticker Tape Carbon Disc to the enquiry cart for a quotation.

Last updated: 24 September 2026

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