الوصف
a precision instrument designed to measure the coefficient of linear expansion of various metals using hot water heating.
Features
Measurement Principle: Thermal expansion of metal rods - Rod Length: 60 cm - Materials Included: Steel, brass, copper, and aluminum rods - Dial Indicator Sensitivity: 0.01 mm/division - Heating Method: Hot water jacket with three nipples (inlet, outlet, thermometer port)