The Rotork-Schischek RedBin-P explosion-proof differential pressure switch is purpose-built for very low pressure ranges from 100 Pa (0.001 Bar) to 5,000 Pa (0.05 Bar). ExBin-P models are ATEX and IECEx certified for Zone 2 (gas) and 22 (dust) hazardous areas and are ideal for HVAC systems, chemical, pharmaceutical and offshore/ onshore installations. All switches can be easily programmed on-site. In addition, each switch has 1 or 2 adjustable switching points within the measurement range and the 100 Pa version even has an adjustable activation delay between 0 and 240 sec.