US$ 160.00
airbag electronic control unit
this low-current 2mA buzzer on a demonstration base sounds whenever current flows through the closed circuit
place value
AC 200V-600V
Bar Breaking Thermal Expansion and Contraction Apparatus Light & Optics_Color airbag electronic control unitTensioned steel rod in a heavy iron frame breaks a brittle iron cross rod as cooling contraction pulls it taut, visualizing the forces at play during thermal contraction.
US$ 160.00
US$ 15.00
US$ 180.00
US$ 180.00