Dwyer 2000-8CM Magnehelic® Differential Pressure Gauge is a reliable and accurate gauge for measuring differential pressure in air and non-combustible compatible gases. With an IP67 enclosure rating and a die cast aluminum case and bezel, this gauge is durable and can withstand harsh environments. It has a temperature range of 20 to 140°F (-6.67 to 60°C) and an accuracy of ±2% throughout the range. The gauge comes with standard accessories including pressure taps and adapters. It has a 4" diameter dial face and can handle pressure limits of -20 in Hg. to 15 psig.