Dwyer 2010-SP is a Magnehelic® Differential Pressure Gauge with a temperature range of 20 to 140°F (-6.67 to 60°C). It has an accuracy of ±2% throughout the range, with an enclosure rating of IP67. The housing is made of die-cast aluminum with a gray acrylic cover. It is suitable for air and non-combustible gases, with a maximum pressure limit of -20 in Hg. to 15 psig. It has a 4" diameter dial face and comes with standard accessories such as pressure taps and adapters.