☆To measure coefficient of linear expansion of metal
☆To measure viscosity coefficient of temperature changeable liquid by falling-ball method
Instrument features and technical parameters
☆To combine two experiments organically;
☆Temperature control and measuring range: normal temperature~80℃
☆To measure liquid temperature by PT100 platinum resistor sensor;
☆Elongation measurement: range: 0~1mm
☆Inner diameter: Φ30mm, outer diameter: Φ50mm, height: h=420mm.