Water Pressure Balance Set簡易水深壓力彈簧秤
將頂部有小砝碼的200g彈簧秤放入已注滿水的水深壓力專用容器中，花嗎的重量會柱隨著水深已減輕，就是這樣簡單地証明水深與水壓力的關係。 Sensitive Newton Balance 200g 5g accuracy 專用水壓容器 special pressure container 50 x 115 mm dia. x depth with mark 有刻度記號。
To detect the water pressure relative to the depth of water
Item no : JP 112-237 each set