In-Situ Aqua TROLL
- (Narrow diameter conductivity/temperature data logger)
In-Situ Aqua TROLL 100 Data Logger
- (Narrow diameter vented/non-vented data logger)
In-Situ Aqua TROLL 200 Data Logger
- (Multiparameter process probe)
In-Situ Aqua TROLL 400 Multiparameter Probe