Thermo Fisher Scientific Alpha pH 2000 - Manual (Page 11)

2.2 Measurement and Control System
A typical measurement system consists of:
• a pH/ORP process controller
• a pH/ORP combination electrode with integrated or separate temperature
sensor Pt 100/1000,
• an appropriate pH or ORP measurement cable
• an immersion, flow or process assembly with or without a potential
matching pin (PMP)
• a final control element such as pump or valve
• a chart recorder
Power Mains
(220/110 VAC)
Flow Assembly
Measurement Cable
Process Assembly
with Electrode
Chart Recorder
pH Controller