https://www.ia.omron.com/products/family/588/feature.html
• Multi-range DC voltage/current input.
• Front-panel key operation for easy setting.
• Average processing function suppresses flicker.
• Scaling, front-panel forced-zero, zero-limit functions.
• Easy confirmation of max/min display.
• Short 80-mm depth (measured from edge of face plate).
• Finger protective cover (standard equipment) guards against electric shock.
• Water- and dust-proof NEMA TYPE 4X (IP66 equivalent) front panel.
• Recognized to U.S. and Canadian requirements under the Component Recognition Program of UL.
• CE marking.