测架
刻度长度：40cm
水平回转角： 0～±90°
用 途： 供安装并提放毕托管至预定测点及作为测针测量水位用.
Graduation length: 40cm
Total graduation error: ≤0.18cm
Horizontal rotary angle: 0～±90°
Application: It is a special accessory, where the Pitot Tube is clamped and shifted up and down to get a suitable position to measure the velocity of current. It can also be used for measurements of the water level .
