K3MA-F Frequency/Rate Meter Highly Visible LCD Display with 2-color (Red and Green) LEDs.
The Omron K3MA-F Frequency/Rate Meter provides a highly visible LCD with red/green LEDs, front‑panel key operation, and optional relay outputs. It supports rotary pulse, NPN, PNP, or voltage‑pulse inputs and offers functions such as scaling, auto‑zero, and max/min display.
The manual covers ordering information, electrical specifications, input/output ratings, measurement ranges, operation indicators, output modes, installation, mounting, noise prevention, and troubleshooting, helping users install, configure, and maintain the meter safely.
| Power consumption (max load) | 6 VA (100‑240 VAC), 4.5 VA (24 VAC), 4.5 W (24 VDC) |
|---|---|
| Dielectric withstand voltage | 2 kV for 1 min |
| Weight | ≈200 g |
| Relay contact output rating | 5 A at 250 VAC, 5 A at 30 VDC |
| Mechanical life of relay contacts | ≥5 000 000 cycles |
Each relay contact is rated for 5 A at 250 VAC or 5 A at 30 VDC.
Press the Level Key for 3 seconds; the settings will be restored to the factory defaults.