The Thermo Fisher Scientific ORION ATC Probes (Model 917001) are precision instruments designed for seamless integration with Series 501, 811, EA920, and EA940 meters. These probes feature advanced automatic temperature compensation technology, ensuring accurate readings across a wide range of temperatures. Their durable construction and reliable performance make them ideal for laboratory and field applications. With easy installation and compatibility with various meters, these probes enhance your measurement capabilities, providing consistent and precise results every time. Elevate your analytical processes with the trusted quality of Thermo Fisher Scientific.