3ContentsWarranty Instructions 4Disclaimers 5Meter Specifications 6Accessories 6UltraBasic Meter Quick Reference 7Getting Started 8Installing and Maintaining Electrodes 10Standardizing for pH Measurement 11Using Setup in pH Mode 13Standardizing for Millivolt Measurement/Relative Millivolts(UP-10 Model Only) 14Using Setup in mV Mode (UP-10 Model Only) 15Troubleshooting 16C Marking 17