EUTECH INSTRUMENTS alpha-pH 2000D Manual de instrucciones Pagina 9

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4 Thermo Scientific Alpha pH 560
A typical measurement system consists of:
A pH process Controller
A pH sensor with integrated or separate Pt100/Pt1000
temperature sensor
An appropriate measurement cable
An immersion, flow or process assembly
A final control element such as pump or valve
Figure 2–1. Measurement and Control System
Remove the screws from the four corners at the back of the pH
Controller. Remove the back cover. The connectors are exposed on the
back PCBA as shown in the diagram below.
J11 – 24V DC power
J8 – 9V DC power
J9 – Relay connections
J10 – pH electrode & Temperature probe connections (wiring has
to be done in the detachable connector
Measurement
and Control
System
Connection
Terminals
Connectors:
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