The 84150201 is a pneumatic indicator with a red Ø 22 mm display face designed for visual status indication in pneumatic control systems. It operates at pressures from 2 to 8 bar and functions across a temperature range of -5°C to +50°C, making it suitable for standard industrial environments. The indicator features push-in connections for semi-rigid tubing (Ø 4 mm per NFE 49100 standard) and achieves a mechanical life of 10 million operations, ensuring long-term reliability. With a weight of 34 grams and compact dimensions, it integrates easily into pneumatic logic circuits and control panels. The product is also available in ATEX version for use in potentially explosive atmospheres, and is commonly employed in automated machinery, process control systems, and industrial automation applications where clear visual feedback is required.