Conductivity/TDS/Salinity/Tempera ture For use with PTBTX2 TM Application and Your Mobile Device • Reliable Repeatable Results • Affordable • Rugged Design • Reduce Waste • Accurate • Easy to Use • Ensure Product Quality • Protect the Environment HIGH PERFORMANCE FEATURES: Also Available • PTBT1 Pocket Tester Pen pH & Temperature - Battery Installed • Protective Cap ULTRAPENx2™ PTBT3 ORP & Temperature • Scoop • Pocket Clip Coming soon • Holster ULTRAPENx2™ PTBT4 Free Chlorine Equivalent (FC ) & • Lanyard Temperature • Quick Start Guide ULTRAPENx2™ PTBT2 • Accuracy of ±1% of READING, ±0.2% at Calibration Point • KCl, NaCl and 442 Natural Water™ Modes • Automatic Temperature Compensation • Autoranging • Measurement and Calibration Storage with Time, Date and Location • Export Stored Measurement Data Via Email • Proprietary Cell Design • Rugged Design with Aircraft Aluminum Body • Durable, Epoxy Encapsulated Electronics • Powered by One

Solution Model potassium chloride Total Dissolved Solids (TDS) Myron L® Company, 442 Natural Water™ Standard Solution Total Dissolved Solids (TDS) sodium chloride Myron L® Company, 442 Natural Water™ Standard Solution sodium chloride SPECIFICATIONS System Requirements: Myron L® Company PTBTX2TM App: Apple iOS 10.0 or later; Android OS 7.0 or later. Measurement Range: Conductivity & TDS: 1-10,000 µS or ppm; Salinity: 0.0010-10.000 ppt; Temperature: 0°-71°C / 32°-160°F Accuracy (After Wet Calibration): Conductivity and TDS: 0.1 for 1.0 - 99.9 µS or ppm 1 for 100 - 9,999 µS or ppm Salinity: 0.0001...