Key Specifications

Aqua TROLL^® instruments are designed to meet your monitoring requirements. Features include:

Range of deployment options—0.72-in (1.83-cm) diameter titanium housing is suitable for harsh environments. The TROLL^® Shield Antifouling System further extends instrument deployments.

Extended battery life—5 years or 200,000 readings (1 reading = time and date plus all available parameters polled or logged from the device)

Flexible communications—Modbus/RS485, SDI-12, and 4-20 mA

Supported parameters—Actual conductivity, specific conductivity, salinity, total dissolved solids, resistivity, density

Accurate readings
Conductivity sensor: < 80,000 µS/cm ±0.5% of reading + 1 µS/cm; > 80,000 µS/cm ±1.0% of reading
Temperature sensor: ±0.1° C