PYXIS SP-350 PTSA Handheld Fluorometer

PYXIS SP-710 Handheld Water Multitester Fully functional Ready to go!

Kestrel 0870 Waterproof Bluetooth Handheld 7000 Environmental Meter - Blue

PYXIS SP-380 PTSA Handheld Fluorometer Fully functional, nice condition.

Handheld Portable Turbidity Meter Turbidimeter 0-200 NTU Water Quality Tester

GY561 RF Digital Handheld Power Meter Frequency Counter Tester Radio 1-2400Mhz C

Pyxis SP-910 Handheld Fluorometer + Colorimeter + Turbidimeter

PYXIS SP-210 Handheld Pocket Bleech Concentration Meter Ready to go!