EUTECH INSTRUMENTS ALPHA DO 500 DISSOLVED OXYGEN Manuel d'instructions télécharger pdf (Page 29)

Instruction manual αlpha DO 2000

− If the proportional controller type is set to pulse frequency control (PFC):

9. Selecting the relay status under Non-Alarm condition: press the ▲ or ▼ key to choose

the desired relay status (de-energized = “DEEN” or energized = “EN”). Press the ENT key to

confirm your selection.

10. Setting the proportional range: press the ▲ or ▼ key to set the proportional range (setting

range: 10 to 500%). Press the ENT key to confirm your setting.

11. Setting the pulse frequency: press the ▲ or ▼ key to set the pulse frequency (setting

range: 60 to 120 pulses per minute). Press the ENT key to confirm your setting.

12. Setting the integral action time: press the ▲ or ▼ key to set the integral action time

(setting range: 0.0 to 999.9 minutes). Press the ENT key to confirm your setting.

Continue with Setup mode procedures, or return to Measurement mode by pressing the ▲

and ▼ keys simultaneously (escape).

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EUTECH INSTRUMENTS ALPHA DO 500 DISSOLVED OXYGEN Manuel d'instructions Page 29