JUMO AQUIS 500 RS, Operating Manual, Page: 80 / 120

8 Calibrating sensors
80
Calibration for the target chlorine concentration (end value)
✱
Bring the process to the condition of target chlorine concentration.
✱
Determine the chlorine concentration of the process solution using the
DPD-1 method.
✱
When the value on the device display is stable, confirm with the key.
The device display changes to the input of the reference value previously
determined using the DPD-1 method; the input value "flashes".
✱
Input the determined reference value with the aid of the and keys.
✱
Confirm with the key.
The value determined by the device for the slope is displayed.
✱
Use the key to apply the calibration or the key to reject the calibra-
tion.
The device returns to measurement mode.