PH/ORP DO Conductivity/TDS Salt Meter Real time datalogger SD Memory Card RS232 + CD/TDS/Salt Probe
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
PH Controller/Monitor 0 to 14 PH ATC,PH & Temp control setting TS232/USB
Temperature controller /monitor Type K/J/T/E/R/S/ PT 100 Ohm Type K -100 to 1300'C C/'F RS232/USB