The Yokogawa 103 121 ABZZ is a panel meter designed for precise voltage measurement applications. It features a black-covered metal case that houses a clear, up to four-digit display, making it easy to read millivolt signals. This model is calibrated for 50 DC millivolts input and includes a zero-left configuration on the display, ideal for various switchboard setups like the TB-AB-DB40. Distributed by BSP Automation, this panel meter combines durability and accuracy, fitting well into industrial control panels where reliable monitoring is essential.