H7EC-NFV,COUNT TOTALIZER 7-SEG LCD 20HZ
H7EC-NFV-B,COUNTER TOTALIZER 20HZ AC/DC IN
H7EC-NP,COUNT TOTALIZER LCD 1KHZ PCB MNT
H7EC-N-P,转速计和计数器 SELF-PWRD TTLZR PC
H7EC-NV,COUNT TOTALIZER DC IN 30HZ/1KHZ
H7EC-NV-B,COUNTER TOTALIZER 1KHZ DC INPUT
H7EC-NV-BH,COUNTER TOTALIZER DC W/BACKLIGHT
H7EC-NV-H,COUNT TOTALIZR 7SEG LCD BACKLGHT
