9
8
MECHANICAL DIMENSIONS
1.
RS 485 communications terminal (
HI 23xy2
and
HI 24xy2
models only)
2.
Analog Output terminal (
HI 23xy1
and
HI 24xy1
models only)
3.
Pt 100 Temperature Sensor terminal
4.
Power supply output for external transmitter
5.
4-20 mA input from external transmitter
6.
Main Power Supply
7.
Alarm Terminal
8.
Contact 1 - First Dosing Terminal
9.
Contact 2 - Second Dosing Terminal
10.
EC/TDS probe connector
11.
Hold terminal
12.
Timer terminal
Unplug the meter before any electrical connection.
Note
The connections of terminals 1 to 5 are numbered from 1 to 15
from top to bottom and the connections of terminals 11 and 12
are numbered from 16 to 19 from top to bottom.
