China Wholesale Free Fall Pricelist – LMEC-12 Measuring Liquid Viscosity – Capillary Method – Labor

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Note: oscilloscope not included

Through the adjustment of the He-Ne laser, the length of the resonant cavity is changed, the change of the laser mode is observed and the practical ability of the students is trained. The confocal spherical scanning interferometer is used to allow students to measure the divergence angle of the He-Ne laser. The spectral distribution of the transverse and longitudinal modes is observed directly.

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China Wholesale Free Fall Pricelist – LMEC-12 Measuring Liquid Viscosity – Capillary Method – Labor Detail:

Experiments

1. Understand the poiseuille law

2. Learn how to measure viscous and surface tension coefficients of liquid using ostwald viscometer

Specifications

Description	Specifications
Temperature controller	Range: Room temperature to 45 ℃. resolution: 0.1 ℃
Stopwatch	Resolution: 0.01 s
Motor speed	Adjustable, power supply 4 v ~ 11 v
Ostwald viscometer	Capillary tube: Inner diameter 0.55 mm, length 102 mm
Beaker volume	1.5 l
Pipette	1 l

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