Labman-LMMP32-Multiparameter (9 in 1)

9 in 1 Water Quality Multiparameter with Ion and DO Function 
DO Probe Standard Supply with Instrument
Automatic Temperature Compensation (ATC)  ensures high accuracy of  
measurement.
Expanded memory stores and recalls upto 500 readings
Built-in real-time clock stamps stored data to meet GLP standards. 
ISE at an Extra Cost