HI-5522 Research Grade pH/ORP/ISE/EC/TDS/Resistivity/Salinity Bench Meter
HI-5522 is an ideal research-grade instrument with large easy read graphic display and soft touch keypad.
Up to four conductivity calibration points can be used to increase measurement accuracy:
- One fixed-point salinity calibration on the percent scale
- Three methods for calculating seawater
- Practical scale
- Natural seawater scale
- Percent scale