HI 4222 is a research grade pH, ORP and temperature benchtop meter. This instrument incorporates dual channels with a separate temperature input and support the external reference electrodes required by some pH and ISE ...
HI4222 is a research grade pH, ORP and temperature benchtop meter. This instrument incorporates dual channels with a separate temperature input and support the external reference electrodes required by some pH and ISE ...
Hanna Instruments HI4321 is a Conductivity Bench Meter. HI 4321 is a single- channel, research-grade laboratory EC/Resistivity/TDS/Salinity Bench Meter.