YSI 559 DO Replaceable Probe servicing kit multiparameter photometer for water quality

multiparameter photometer for water quality testing in the field and laboratory

whichever is greater TDS Calibration based on conductivity or salinity calibration Resistivity Range 0 to 999999 Ω•cm

M20 20 Meters ~65

2 and 3 point calibration

DO Range 0

YSI 559 DO Replaceable Probe servicing kit multiparameter photometer for water qualityUser replaceable dissolved oxygen sensor for the YSI 550A and 556 multiparameter handhelds. Swap in a fresh sensor in the field in minutes, without sending the instrument in for service or replacing the whole cable assembly. Uses a convenient screw on membrane cap for simple membrane changes. Used with: YSI 550A and 556 One year sensor warranty. 556 Manual 556 Spec Sheet