Simultaneously displays oxygen concentration and temperature. Certificate is provided to indicate traceability to NIST. Serial RS232 output allows it to be connected to a computer or data logger for monitoring and keeping results. Jumbo-size digits are 1-3/8 inches high. At the touch of a button the instrument recalls highest, lowest, and average readings. A DATA HOLD button "freezes" the display to capture readings. Cable length is 40 inches. Unit is supplied with probe, five membranes, electrolyte solution, Traceable® Certificate, 9-volt alkaline battery, and serial computer output.
