提出一种新型高精度二维水平传感器,其输出为直流毫伏信号,测量灵敏度015mVParcsec ,检测范围为±200arcsec ,精度达1arcsec ,时间响应为1s. 该传感器可直接与自动测量系统连接,也可接二次仪表成为水平仪.关键词　　二维水平传感器,弹性簧片,扭转角度Abstract 　　A new type of high2precision sensor two2dimensional horizental sensor is described which gives a DC mV output signal . The measurement sensitivity is 015mVParcsec over a range of ±200 arcsec. The accuracy is 1 arc2 sec and the response time 1 second. This sensor can be directly connected to an auto2detect system, or to a secondary meter to form a horizontal meter.Key words 　　two2dimension horizontal sensor , elastic reed , rotation angle