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

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Set Point 2 (SP2) adjustment mode  
This lets you adjust the pH (or ORP) value in Set Point 2. If this value is crossed, 
the set point relay 2 LED will light. 
 
1. 

Press the SP2/▲ key. The screen will scroll P2.1, SP2, and then the current 
set point value. 

2. 

Press the ▲ or ▼ keys and adjust second relay set point. You can adjust it 
in 0.01 increments from 0.00 to 14.00 pH (-999 to 1000 mV). 

3. 

Press ENTER to confirm and return to the measurement mode. 

 
NOTE: Press ▲ and ▼ keys together (ESCAPE) at anytime, to return to 
Measurement mode. 
NOTE: These modes are only for adjusting relay 1 and/or relay 2 set points values. 
To set the relays as low or high set points or to set its hysteresis values, you have 
to make the adjustments from the Setup mode as in Section 9.3 and Section 9.4.