BeDensi T series tap densitometer: https://www.hinotek.com/lab/bedensi-t-series-tap-densitometer/
TB100 Portable Turbidimeter: https://www.hinotek.com/lab/tb100-portable-turbidimeter/
TB200 Benchtop Turbidity Meter: https://www.hinotek.com/lab/tb200-benchtop-turbidity-meter/