Spirometer Healthcare, Lab & Dental Medical & Lab Equipment Devices

Description

Descriptions
Spirometer:  It is the instrument used to measure the vital capacity (VC).
This is a double walled metallic cylindrical chamber containing water between the two cylinders. The cavity of the inner cylinder at its lower end is connected with the help of one way breathing valve to corrugated rubber tubing to which a mouth puce us attached,
An inverted cylinder called of Bell of light weight material (aluminum) floats on the water and surrounds the inner cylinder completely. The tip of the bell carries a hook to which is attached a chain /nylon rope which passes over a frictionless pulley. The other end of the chain carries a weight which counter balances the bell.
An the volume of air in the bell increases, it moves up and its displacement movement can be recorded with the help of a pointer pivoted to the other head pulley rotates, the pointer sweeps over the circular scale on the pulley through an arc proportional to the rise of the bell. The graduation on the pulley directly gives the volume of air collected under the bell.
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International Shipping
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Approximate delivery time for standard service (by eBay Powership Global)
UK, USA & Asia: 5 - 10 days (Subject to Receiver Availability)
Europe: 7 - 12 days
Rest of World: 15 - 30 days
Customs, Duties & Taxes
Import duties, taxes and charges are not included in the item price or the shipping charges. These charges are the buyer's responsibility. Please check with your local customs authority to determine these additional costs prior to bidding or buying. These charges are normally collected by the delivering freight (shipping) company or when you pick the item up — please do not confuse them for additional shipping charges.
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If customs decides that your package cannot enter your country, it will be returned to us. In this case, you will be issued a full refund minus shipping and return shipping costs when we receive package back.
Returns:
If an item arrives damaged, it must be reported to us immediately along with damage package images, so that we can correct the situation
No claims will be accepted if reported after 7 days from the date package received.
Please email the digital pictures of the damaged or faulty item.
Any shipping, installation, or incidental fees are non-refundable.
Items that have been installed or altered are non-returnable.
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The product images shown are for illustration purposes only and may not be an exact representation of the product.
International Buyers – Please Note:
Import duties, taxes, and charges are not included in the item price or shipping cost. These charges are the buyer's responsibility. Please check with your country's customs office to determine what these additional costs will be prior to bidding or buying.
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