The Omron H7EC-NV-B Counter is designed for DC voltage inputs from 4.5 to 30 VDC, enabling easy connection to multiple sensor types and control systems. It supports both 30 Hz and 1 kHz counting speeds, providing flexibility for slow or fast applications. Its 8-digit LCD ensures clear reading, while IP66 front protection and strong shock, vibration, and noise resistance guarantee reliable operation. Reset options include both external and manual control for simplified usage. Manufactured by Omron and listed within Omron Counter products, this model belongs to the Omron H7EC Series.