由青岛亨斯特勒自动化仪表有限公司生产的电子计数器系列产品,是根据德国HENGSTLER公司专有技术生产的,具有当代国际先进水平的通用计数器,1994年通过部级鉴定。其中721系列具有双予置,比率显示、比率输出,加减双向计数,自动循环复位,封锁保护,DIN标准尺寸等功能。710系列为累加或加减双向计数,手动、外部复位;711系列为单予置,加或减计数,封锁保护,自动循环复位等功能。上述产品广泛适用于机床 The electronic counter series produced by Qingdao Hengstler Automation Instrumentation Co., Ltd. is a universal counter with contemporary international advanced level produced according to the know-how of HENGSTLER Company in Germany. It passed the ministerial level appraisal in 1994. Which 721 series with dual preset, the ratio display, the ratio of output, plus or minus two-way counting, automatic cycle reset, lock protection, DIN standard size and other functions. 710 series to add or subtract bi-directional counting, manual, external reset; 711 series to single set, plus or minus counting, blocking protection, automatic cycle reset and other functions. The above products are widely used in machine tools