The RZT7-03ZRS-KR0 is a magnetic field sensor manufactured by Sick for use in industrial automation and robotics applications. The sensor has a sensing range of 3mT, a supply voltage of 5V to 30V DC, an operating temperature range of -30 to 80°C, and an IP rating of IP 65/IP67, making it an ideal choice for use in harsh environments. The sensor is constructed from rugged, yet lightweight materials and has a high signal-to-noise ratio to ensure accurate and reliable readings. With its wide variety of features, the RZT7-03ZRS-KR0 provides a reliable and efficient way to accurately measure the magnetic field in various industrial environments.