User Guide

REAR PANEL

1. 6-pin RS485 terminal (HI 700222 and HI 710222 only)

2. Analog Output (HI 700221 and HI 710221 only)

3. Power Supply

4. Alarm Terminal

5. Contact 2 - Second Dosing Terminal

6. Timer

7. Hold

8. Contact 1 - First Dosing Terminal

9. Pt 100 Temperature Sensor connector

10. EC/TDS probe connector

11. Power supply output for external transmitter

12. 4-20 mA input from external transmitter

Unplug the meter before any electrical connection.

MECHANICAL DIMENSIONS

FRONT VIEW SIDE VIEW