9
5.4. Combined meter
The combined meter measures the fill water quality and the throughput (l/
min and total throughput).
Mains plug
indication
Total
treated water
Current
throughput
Water
temperature
Switch between
litres/gallons
ON/OFF
automatic mode
Automatic
quality
monitoring
Battery
indication
Limit
Current
conductivity value
Set the limit
Switch between
µS TDS
Set key
Each time the set key is pressed, the limit is increased by 10 µS/cm or 6 TDS.
Hold the key for 3 seconds to reset the limit to zero. Programming the limit
ensures that a warning is issued when the ion exchange resin is spent. If
the set limit is exceeded, the backlight flashes red and an acoustic alarm
sounds. In addition, the floating contact is switched over (only when using the
optional power supply unit).
Unit key
Use this key at any time to switch between electrical conductivity (µS/cm)
and TDS (total dissolved solids) as well as between °C and °F. The first two
are units of measurement for the amount of minerals dissolved in the water.
Most European component manufacturers use the unit of measurement
µS/cm (microsiemens per centimetre). Water hardness at the output of
the refill device can be determined using the following rule of thumb: 1 °fH
Summary of Contents for PUROTAP easy II
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