User Guide

4
FUNCTIONAL DESCRIPTION
HI 9813 AND HI 9813-5
1) 8-pin DIN connector for probe
2) Liquid Crystal Display
3) pH range selection key
4) mS/cm (EC) range selection key
5) EC/TDS calibration knob
6) pH offset calibration knob
7) ppm (TDS) selection key
8) °C (Temperature) selection key, for HI 9813-5 only
9) ON/OFF key