Cavendish balance for measuring gravitational constant

Order Code: 24257306.3

Category: General Lab Equipment V

Mass of lead balls: 2 large balls: 1.5 kg each, mass difference the two balls <2.0g. 2 small balls 20g each, mass difference the two balls < 0.5 g. Beam torsion balance: Length 100mm. Thread of torsion balance: free torsio...



SPECIFICATION

  • Mass of lead balls: 2 large balls: 1.5 kg each, mass difference the two balls <2.0g. 2 small balls 20g each, mass difference the two balls < 0.5 g.

  • Beam torsion balance: Length 100mm.

  • Thread of torsion balance: free torsion oscillating cycle 0.005’s, length 150mm, area 0.145* 0.008mm2.

  • Damping type: Oil.

  • Uncertainty: Measurement error of gravitational constant <15%.

  • Parts: large lead ball 2 pcs

  • Magnetic bar 1 pc

  • Supporter pipe 2 pcs

  • Slide 2 pcs

  • Leveling screw 3pcs

  • Thread 5pcs

  • Damping oil cylinder 1

  • Holder of cylinder 1

  • Screw for holder 1

  • Nut for clamp 1

  • Oil bottle(Damping oil) 1

  • Plastic pipe for oil 1

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