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eutech-instruments alpha ph 190 18 din phorp controllertransmitter User Manual

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P3.3: Select temperature compensation 
This controller features selectable automatic temperature compensation (ATC) or 
manual temperature compensation (MTC). ATC automatically compensates for 
temperature fluctuations; MTC let you select a specific value at which temperature 
will be compensated. ATC readings require a temperature sensor. 
 
1. 
Key in the password “022” as per procedure in Section 5. 
2. 
Press ▲ key twice. The screen will scroll P3.0 and CONF. Press ENTER 
three times. 
3. 
The screen will scroll P3.3 and MTC (or ATC). 
4. 
Press ▲ or ▼ keys to toggle between MTC and ATC. 
5. 
Press ENTER to confirm and return to general Setup mode.  
Press ▲ and ▼ keys together (ESCAPE) to return to measurement mode. 
   
NOTE: ORP is not affected by temperature and so ATC does not operate in ORP 
mode. When set for ATC, the pH 190 will display temperature if a 100 Ω Pt 100 
sensor is connected.