EUTECH INSTRUMENTS alpha-pH 2000D Manuál s instrukcemi stáhnout pdf (Strana 10)

Instruction Manual αlpha-pH2000D

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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

Pt100/Pt1000 or NTC300 thermistor.

• 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

(80 - 250 VAC)

0/4 - 20 mA

Measurement Cable

Housing and

Sensors

Chart Recorder

αlpha pH 2000D Transmitter

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EUTECH INSTRUMENTS alpha-pH 2000D Manuál s instrukcemi Strana 10