Reading below the
DPD-1 measurement
Reading above the
DPD-1
Unstable reading
Manual BSONE-EVO v.2
Insufficient flow in the sensor
holders or the chlorine sensor
is not in contact with the
water
There are air bubbles in the
measuring zone of the sensor
The sensor has been a
number of hours measuring
the water without free
chlorine
Insufficient flow in the sensor
holders
There are air bubbles in the
measuring zone of the sensor
The sensor has been
calibrated without waiting for
sufficient conditioning time
DP-! Reactives are worn
Failure in the connection of
the sensor with the controller
Adjust the flow reaching the sensor
holders. Clean the filter and the flow
regulator of the sensor holders
Bleed the sensor holder and ensure
that there is no air remaining in the
measuring zone.
Let water containing free chlorine
circulate through the sensor holders for
1 hour.
Adjust the flow reaching the sensor
holders. Clean the filter and the flow
regulator of the sensor holders.
Bleed the sensor holders and ensure
that there is no air remaining in the
measuring zone.
Repeat conditioning of the sensor and
recalibrate.
Repeat the DPD-1 measurement with
new reactives
Check connections
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