Instruction manual

Instruction manual αlpha DO 2000
4
2.2 Measurement and control system
A typical measurement system consists of:
• A dissolved oxygen process transmitter
• A dissolved oxygen sensor with integrated or separate temperature sensor Pt100/Pt1000.
• An appropriate measurement cable
• An immersion, flow or process assembly
• A final control element such as pump or valve
• A chart recorder
Power Mains
(80 - 250 VAC)
0/4 - 20 mA
Measurement Cable
Housing and
Sensors
Chart Recorder
αlpha DO 2000W Transmitter