US$ 128.00
DO Range 0
whichever is greater TDS Calibration based on conductivity or salinity calibration Resistivity Range 0 to 999999 Ω•cm
multiparameter photometer for water quality testing in the field and laboratory
M20 20 Meters ~65
YSI 559 DO Replaceable Probe servicing kit DO Range 0User 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
US$ 128.00
US$ 89.00
US$ 109.99