Invitation to Tender for the supply of Water Sondes

Tender description

Either 18 x water quality sondes with 2 sets of sensors capable of storing calibration data on the sensor rather than the sonde. Or 32 sondes / sensor sets (where calibration data is stored on the sonde) in order to provide uninterrupted year round monitoring of 15 out stations (15*2 + 2 spares). 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 - Connects sonde to DCP Signal Output adapter Signal Output Adapter - DCP- Wires into the end of field cable via flying leads - converts signal to RS-232 SDI-12 for datalogger applications. Signal Output Adapter - USB- Allows connections between sonde and PC Full spec available at www.rothamsted.ac.uk/procurement