Showing 209–224 of 552 results
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InstrumentsCork Borer Set of 12
KWD 16.000
Cork Borer Set of 12
KWD 16.000
Details:
- Material: Brass Nickel Plated
- Cork borer is designed with a set of 12 bore, saw shaped type.
- This is specially used in Biology or Chemistry labs to dig holes in cork or rubber stoppers to insert glass tubes.
- The tool is used to push rod for clearing borers as required.
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InstrumentsCork Boring Machine
KWD 103.000
Cork Boring Machine
KWD 103.000
Details:
- Dimensions: 6-1/2″ L. x 6-1/2″ W. x 11″ H. (165mm x 165mm x 279mm)
- Cork Coring machine is a professional metal tool used in a Biology and Chemistry laboratory for cutting a hole in a cork or rubber stopper to insert glass tubing.
- Cork borers usually come in a set of nested sizes along with a solid pin for pushing the removed cork (or rubber) out of the borer.
- Cork Boring Machine has an adjustable guide that permits holes to be bored in any part of a stopper.
- Perforated aluminum plate rack holds borers when not in use. Machine is cast-iron, with black enamel finish. Other parts are designed with brass, nickel-plated.
- A set of 12 borers is included.
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InstrumentsCover Slip Plastic
Cover Slip Plastic
Details:
- Size: 22 x 40 mm
- Made from clear vinyl plastic
- Unbreakable, will not scratch or cut fingers
- Used in Biological and Medical labs.
- Thickness 0.01″ or 0.28 mm
- Refractive index of glass
- Economical and half the price of glass
- Not auto fluorescent.
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Medical & Lab ConsumablesCryochill Freezer Box
Cryochill Freezer Box
Details:
- Tarsons No: 202060, 212060, 202070
- Efficient storage up to temperatures of -90°C.,
- Compatible with a variety of tubes and vials.
- The cryo cube boxes fit into a variety of Freezer racks, making them versatile.
- Lock prevents lid opening in
- Both Micro centrifuge tubes and cryo vials can be accommodated.
- Smooth grinding surface to avoid leakage and dripping.
- These boxes are mechanically strong and chemically resistant.
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InstrumentsCurrent Balance
Current Balance
Description:
- The current balance is used to measure the force of repulsion between identical, oppositely directed, currents in parallel conductors.This shows a direct link between the mechanical forces of Newton and the electromagnetic forces of Ampere and Maxwell.
- This apparatus is extremely delicate and must be handled with a very light touch. The current balance consists of a rectangular conducting frame which cause the current passes by entering and exiting through liquid gallium. The entire frame is suspended by a 0.006-inch diameter high strength torsion wire.
- The rectangular frame is counter-balanced by a long beam having a movable counter-balance mass on it and a magnetically damped vane on its end.The vane also serves as a zero-position indicator. Directly below the long side of the rectangular frame is a parallel conductor carrying the same current in the opposite direction.
- The height of this conductor is adjustable to allow different separations between the conductors. Each end can be lowered or raised independently of the other to make the two conductors parallel.
- The separation adjustment screws have a 1 mm pitch and are used to adjust the centre-to-centre conductor separation from 3.2 mm to 15 mm in increments of 0.05 mm. One end of the torsion support wire is fastened to a rotatable degree dial which can be rotated a total of three revolutions, one-and-a-half revolutions in either direction from the centre equilibrium position.
- The other end of the torsion wire can be rotated only about 200 degrees and is used to make fine adjustments in the zero equilibrium position. The torsion balance has a sensitivity of about 3 degrees per milligram of force.
- A change of less than 2 degrees on the degree dial is discernible. The balance has a 20 Amp fuse to protect the equipment from damage.Good measurements can be made with a current of 5 A and a maximum working current of 15 A is recommended.
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