The HM Digital SP-C5 is a replacement TDS/EC probe for the HM Digital HydroMaster HM-500. It has an easy assembly, and must be calibrated once new sensor is attached. The HM Digital SP-C5 features platinum sensor electrodes and a thermistor.
HM Digital SP-C5 TDS/EC Replacement Probe for HydroMaster HM-500
Original price was: $12.73.$7.57Current price is: $7.57.
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