Dwyer 2025 Magnehelic® Differential Pressure Gauge is a versatile and accurate gauge for measuring pressure differentials. It has a temperature range of 20 to 140°F (-6.67 to 60°C) with a low temperature option of -20°F (-28°C). With an accuracy of ±2% (±1% for -HA model) throughout the range at 70°F (21.1°C), it is suitable for a wide range of applications. The gauge has an enclosure rating of IP67 and is made of die-cast aluminum with a gray coated finish for corrosion resistance. It can be used with air and non-combustible gases (natural gas option available). The gauge has a 4" (101.6 mm) diameter dial face and comes with standard accessories including pressure taps and adapters. It has a pressure limit of -20 in Hg to 15 psig and is available with different pressure options. Overall, the Dwyer 2025 Magnehelic® Differential Pressure Gauge is a reliable and durable gauge for precise pressure measurement.