Oakton pHTestr® 5 Waterproof Pocket Tester Field-Flex Notebooks and field biologists for transporting

and field biologists for transporting fish in buckets

Integrated 5 lb lead weight ensures the disk descends vertically with minimal drift

resulting in accurate data collection every time with this DO meter

and secchi disc transparency measurements

zoos and aquariums

Oakton pHTestr® 5 Waterproof Pocket Tester Field-Flex Notebooks and field biologists for transportingProduct Code #35634 16 KEY FEATURES Large easy to read LCD features three color backlight Simple to calibrate with automatic standard recognition Rugged IP67 rated housing is waterproof, dustproof, and floats in water with sensor cap on Leakproof cap with fill line functions as a sample calibration and hydrating cup Secureattach a lanyard to prevent losing or dropping in the field Auto shutoff extends battery life Features a glass bulb probeideal for