Air Source Instrument Physical Insturment 4.1 Function It demonstrates the experimental air track's necessary instrument for the middle school physics. 4.2 Key property 4.2.1 Working condition: Power source: ~220V, 50Hz Temperature: - 10~+40ºC Relative humidity: It is not bigger than 80% Pressure: not less than 5KPa Electric motor: 300W Noise rating: not big than 70dB
4.2.2 The continuous working time is not smaller than 60 minutes, the outer covering temperature rise is not bigger than 35ºC. 4.2.3 All air track blowhole aperture is not smaller than 0.8mm, the qty of blowhole is not less than 150pcs, it cannot use in old-style or the high pressure gas axle (the characteristic:small blowhole, less blowhole, the gas from compress air), otherwise produces will be the adverse consequences. 4.3 Use and attention 4.3.1 Is connected with the ripple induction pipe and the air track, the inspection air intake port and the vent, guaranteed that on the air intake port does not have the dunghill, was mad that the axle vent should be unimpeded, then may put through the power source to carry on the experiment. 4.3.2 The air outlet temperature should be lower than 60ºC, if the hyperpyrexia should inspect various blowholes to be whether unimpeded, when necessity the coca drills two diameters approximately 5 mm the vent. 4.3.3 Filters the material uses two years later to take out the clean or the renewal.
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