4
109117-1 Rev. A, 10/96
1
1.2 Input and Output Connections
1. Disconnect the shorting clip from the pH socket and retain
it by clipping it over the socket. Connect the electrode. If
you are using an electrode incorporating ATC connect the
other lead to the ATC socket.
NOTE The 430 will not accept separate reference and pH
electrodes.
2. If you are using a separate ATC probe connect it to the
ATC socket.
3. Connect the power supply unit to the DC socket.
1.3 Display and Controls
DC - power
supply unit
socket
ATC - ATC (automatic
temperature compensation)
probe socket
REC - recorder output
socket, see Section 2.6
for details
pH - combination
electrode socket