PT5 Dissolved Oxygen (DO) and Temperature Pen Professional Water Analysis High Performance Features • Industry Leading Accuracy • Adjustable for Altitude and Salinity • 3 Calibration Methods: Air, Water and 0 ppm DO • Dynamic Membrane Temperature Correction • Easy to Use - One Button Control • Waterproof • Rugged Design with Aircraft Aluminum Body • Proprietary Sensor Design instrument shown larger than actual size ULTRAPEN™ PT1 Conductivity, TDS, Salinity & Temperature PT5 Comes with: • PT5 Pocket Tester Pen - Battery Installed • Protective Cap • Pocket Clip • Holster • Lanyard • Operating Instructions Free Chlorine Equivalent (FCE) & Temperature

PT5 MEASUREMENT MODES Mode PARAMETER MEASURED Displays real-time readings until stable or 3 minutes, which ever comes first, then displays final readings. Displays real-time readings continuously for up to 5 minutes. PT5 PARAMETER MODES Mode PARAMETER MEASURED Display alternates between DO Concentration in ppm, DO Saturation in % and Temperature. Display alternates between DO Concentration in ppm and Temperature. Display alternates between DO Saturation in % and Temperature. Specifications Measurement Range: DO Concentration: 0 - 20 ppm, DO Saturation 0 - 200% Temperature: 0 - 71° C / 32 - 160°...