7
6
THE REAR PANEL OF HI 943500A/B/C/D
Unplug the instrument from power
supply before the replacement of the
fuse.
1. Conductivity Probe Connector (7-pin DIN)
2. mA OUTPUT Terminals for connection
to a recorder
3. SET SELECT Terminal for reverse con-
trol operation
4. SET Terminals for connection to a dos-
ing pump
5. ALARM Terminals for connection to an
external alarm device
6. Power Supply
7. Fuse Holder.
Unplug the instrument from power
supply before the replacement of the
fuse.
THE REAR PANEL OF HI 8931A/B/C/D
1.
ALARM CONT Terminals for connec-
tion to an external alarm device
2.
SET CONT Terminals (Max. 2A, 220V)
for connection to a dosing pump
3.4. +20V and COMM Terminals for con-
nection to a conductivity transmitter
HI8936
5.
SET SELECT Terminal for reverse con-
trol operation
6.
0-20/4-20mA Terminals for connection
to a recorder
7.
Fuse Holder
8.
Power Supply
9.
IN/OUT TRANSMITTER Terminals for
connection to a conductivity transmitter.