Greenspan

EC1200 Electrical Conductivity
DO1200 Dissolved Oxygen

TS1200 Turbidity
PS1200 Pressure
PH1200 pH
CTD1200 Conductivity, Temperature, Depth
CTDP1200 Conductivity, Temperature, Depth, pH
CS2-1200 pH, Temperature, Dissolved Oxygen
CS4-1200 Conductivity, pH, Temperature,Dissolved Oxygen

 Gems

9500 Pressure

 YSI

6600EDS Multiparameter Sonde

 Analite

NEP390 Turbidity
NEP395 Turbidity with Wiper

 Teledyne RDI

ChannelMaster H-ADCP