No meter warm-up is required. Easy-to-service probe comes with 10-foot cable. Key-in salinity and pressure manually. The meter automatically calculates offset values. Dual display shows mg/L (ppm) or % saturation plus temperature. Hold function; auto-off and ready indicator. This meter ensures high accuracy with independent 100%, zero and offset adjustment capabilities. It stores and recalls 16 dissolved oxygen readings with corresponding temperature. It displays electrode diagnostics to help determine when the probe needs to be serviced or replaced. The front keypad is water-resistant. Includes a dissolved oxygen/temperature probe, electrolyte solution (500 ml) and four AAA batteries. Weighs just 1.4 lbs (0.64 kg).

Optional kit includes: 500 ml of electrolyte solution, 5 replacement membranes and O-rings, 3 sample bottles, and a hard carrying case (meter and probe not included).