Omron 100-240VAC 0-30 Hz 0-50 kHz Digital Rotary Pulse Meter K3HB-RNB Its part number is K3HB-RNB. Manufacturer: Omron. Input range: 0 to 30 Hz, 0 to 50 kHz. Output type: None. Size: 1/8 DIN (96 x 48 mm). Part Number: K3HB-RNB. byJuly 4, 2026