PH/ORP DO Conductivity/TDS Salt Meter Real time datalogger SD Memory Card RS232 + CD/TDS/Salt Probe
Pen PH Meter 0 o 14 pH Auto Calibration & temp Adjustment IP-65 Water Proof With PE11 Electrode.
A Pen Soil pH Meter 0 to 14 pH 0.01pH Auto calibration & Temp IP-65 Water Proof
PH/mV/Temp, 0 to 14pH, 0 to 1999mV, 0 to 100ºC, Data-Hold, Max/Min & RS232, Optional Electrode
PH/mV/Temp, 0 to 14pH, 0 to 1999mV, 0 to 100ºC, Data-Hold, Max/Min, Memory & RS232, Optional Electrode