The Accumet BASIC AB40 provides microprocessor precision in a compact bench top design that’s easy to use. Five function keys control all procedures, letting you: Set the barometric pressure; Set the salinity value of the sample; Read DO in mg/L or % Saturation. It all adds up to rapid, completely automatic, intuitive operation. Simple, affordable DO/BOD measurement: microprocessor precision in a compact, easy-to-use benchtop design. Large 4.25L x 3 in.W (10.8 x 7.6cm) display. On-screen prompts guide user quickly and easily through DO measurement process. 

NOTE: DO probe is not included.

** SEE LINK TO MANUAL ON CHEM-G.COM FOR MORE INFORMATION