YSI pHotoFlex Field Case 0.675 in 5V AA batteries (4) / YAP188 Item:500-NH3-ISA - Ammonia Ionic Strength Adjustor, 500 mL - 3200697174 dilution tube micro sample pH

5V AA batteries (4) / approximately 360 hours of continuous use without backlight (50 hours with backlight) Environment 0 to 50°C (32 to 122°F)

or where an extended power pack is preferred over a rechargeable internal battery

20 USB cable — USB 2

Extended warranty coverage for the Aqua TROLL 100 and Aqua TROLL 200 Data Loggers

in both fresh and saltwater

YSI pHotoFlex Field Case 0.675 in 5V AA batteries (4) YAP188 Item:500 NH3 ISA Ammonia Ionic Strength Adjustor, 500 mL 3200697174 dilution tube micro sample pH 5V AA batteries (4) approximately 360 hours of continuous use without backlight (50 hours with backlight) Environment 0 to 50°C (32 to 122°F) or where an extended power pack is preferred over a rechargeable internal battery