These instruments measure pH, conductivity, TDS and temperature in one easy to use meter, utilising a single probe.
HI 991300 - measures low range conductivity and TDS
HI 991301 - measures higher ranges
Both instruments provide full scale pH readings
Automatic calibration and temperature compensation
Selectable EC/TDS conversion factor
Adjustable conductivity temperature coefficient
Dual level LCD
Battery level and stability indicator
Simple calibration procedure
Probe is housed in a rugged plastic sheath with reinforced 1m rubber cable and stainless steel DIN connector