Measure dissolved oxygen (using either the galvanic or polarographic probe) and conductivity (using the probe built-in with the cable) with the Pro2030 and the cable length of your choice. All of the cables provide temperature measurements with no temperature probe needed. A graphic display offers detailed messages and instructions. Both the display and keypad are backlit. The rubber over-molded case features an IP-67 waterproof rating. Order instrument, cables, and probes separately below.