KüBLER
累加器, 10-30VDC, CODIX521
计数器, 10-30VDC, CODIX 520
EATON CUTLER HAMMER
累加器, 6位, 10-30VDC
显示器, 10-30VDC, CODIX 529
频率表, 10-30VDC, CODIX522