Lovibond SD 335 Multi Set 2 is a portable, robust multi-parameter measuring device designed for precise determination of pH, dissolved oxygen (DO), and temperature. Ideal for both laboratory and field applications, it offers simultaneous measurement of up to three parameters with galvanic isolation to prevent interference. The intuitive graphical LCD enables easy operation with options for multi-parameter or single value display, and users can set alarm limits for parameter monitoring. The built-in data logger records measurement data with time stamps and measuring point IDs, and data transfer is supported via a Micro-USB connection. The device runs on rechargeable NiMH batteries for convenient power management.