The 04440 is a 3-1/2 inch, Model 1327, Wide-Vue style DC microammeter designed for measuring direct current. It features a center-zero scale with a range of 100-0-100 µA and has an approximate impedance of 1100 Ohms. This self-shielding meter uses a pivot and jewel suspension within an annular movement, ensuring an accuracy of ±2% of full scale per ANSI C39.1. Housed in a black phenolic case with a clear acrylic window, it offers a maximum response time of 1.5 seconds and is built for reliable performance in various panel monitoring applications.