18 x Water Quality sondes with 2 sets of sensors capable of storing calibration data on the sensor rather than the sonde. Sensors to include:

Conductivity / temperature;

pH;

Ammonium;

Turbidity;

Optical DO;

fDOM.

Additional requirements include:

Automated ‘wipe’ facility;

AUX port for future expansion;

10 metre flying lead cable;

Signal output adaptor;

Signal output adaptor — DCP — Wires into the end of field cable flying leads — converts signal to RS232;

SDI-12 for data-logger applications;

Signal Output Adapter — USB- Allows connections between sonde and PC.