Hanna Instruments HI520 - Page 38

Channel 38
• Press Select to save.
• After selecting Mode, press Setup.
Setup for ON/OFF control
• Press Setup for the options submenu to be displayed.
• Press the
ud keys to move between Mode and Hysteresis.
• Select Mode and press the virtual keys to select ON/OFF Low or ON/OFF High.
• Press the
d key, to select Hysteresis.
•
With Hysteresis highlighted, press Set. The present value will blink permitting editing using the ud
keys.
• Press CFM to save.
• Press the
b key, to exit Setup.
ON/OFF control. Hysteresis default and boundary values.
Control parameter Measured parameter Default Minimum Maximum *
Hysteresis
pH 1.00 pH 0.02 pH 1.2 pH
ORP 50 mV 2 mV 400 mV
EC 1.000 mS 0.002 μS 100.0 mS
DO 50 %Sat 0.2 %Sat 60.0 %Sat
* Maximum limit can be different from given values depending on probe measurement range (0.1 %).
Setup for Prop. Control
Navigation
• Press Setup for the options submenu to be displayed.
• Press the
ud keys to move between Mode, Deviation, Control Period, and Dead Band.