The HD2106.1 and HD2106.2 are portable instruments with a large LCD display. They measure conductivity, liquid resistivity, total dissolved solids (TDS), and salinity using combined 4-ring and 2-ring conductivity/temperature probes. Temperature only is measured by Pt100 or Pt1000 immersion, penetration or contact probes. The probe calibration can be performed automatically in one or more than one of the 147μS, 1413μS, 12880μS or 111800μS/cm conductivity calibration solutions. The temperature probes are fi tted with an automatic detection module, with the factory calibration settings already being memorized inside. The HD2106.1 and HD2106.2 models are fi tted with an RS232C serial port and can transfer the acquired measurements to a PC or to a portable printer in real time.
