The Omron K3MAJA224ACDC is a K3MA-J series digital process display that reads DC voltage from -10 to 10 V and DC current from 0 to 20 mA, shown on a 5-digit LCD with 14.2 mm character height. It runs on either 24 VAC or 24 VDC, so you can drop it into a panel that's already got a 24 V control transformer or a DC supply without adding a separate power module. Panel cut-out is 95 x 45 mm, mounting depth 85 mm — fits the standard 1/8 DIN footprint you see on most process indicators.
What the input ranges mean for your line
The 0-20 mA range covers the standard 4-20 mA loop signal from pressure transmitters, temperature transducers, or flow meters — you just read the raw current, not a scaled engineering unit. The -10 to 10 V DC range handles bipolar signals from things like position feedback or load-cell amplifiers that swing both sides of zero.
