K3MA-J-A2 24VACVDC

Overview of Omron K3MA-J-A2-24VAC/VDC

The Omron K3MA-J-A2-24VAC/VDC is a versatile digital process meter designed for measuring and displaying voltage or current inputs in industrial process control systems. It supports multiple ranges for DC voltage and current inputs and features a 5-digit, 7-segment LCD with a green/red backlight for clear visibility. The meter is suitable for panel mounting with an IP66/NEMA4X rated front panel for protection against dust and water.

Key Features of Omron K3MA-J-A2-24VAC/VDC

• Input Types: DC voltage (0-5 V, 1-5 V, ±5 V, ±10 V) and DC current (0-20 mA, 4-20 mA)
• Display: 5-digit negative LCD with backlit LED (green/red)
• Sampling Period: 250 ms
• Relay Outputs: 2 SPST-NO relay contacts with 5 A rated load for resistive and 1.5 A for inductive loads
• Power Supply: 24 VAC or 24 VDC with ±15% tolerance
• Functions: Scaling, hold max/min values, hysteresis setting, zero display, polarity indication, average processing, forced-zero
• Protection Rating: Front panel NEMA 4X/IP66, rear IP20, terminals IP00 + finger protection
• Operating Environment: -10°C to 55°C, 25-85% humidity (non-condensing)
• Memory Protection: Non-volatile EEPROM (100,000 rewrites)
• Dimensions: 48 mm x 48 mm x 80 mm (approx.)
• Weight: Approx. 200 g

Technical Specifications

Applications / Use Case

The Omron K3MA-J-A2-24VAC/VDC is widely used in process control environments requiring accurate measurement and control of DC voltage and current signals. Typical applications include temperature monitoring, pressure control, flow measurement, and other industrial automation tasks. The dual relay output allows for versatile control strategies such as alarms and control switching.