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ENGLISH
Setpoint setting
Push SET key for, at least, 3 seconds, up to the display shows the setpoint value selected before.
Default value: 7.2 pH or 700 mV
Push CAL key to increase the value. A continuous pressure on the key increases the speed of the value changing. Pushing CAL
key, step by stap, to increase the value 0.1 pH or 10 mV. When selected the setppoint value, push the SET key to confirm and to
back at the measuring and dosing.
Calibration
pH
Push CAL key for at least 3 seconds,
The display shows and flashing “
7.0
pH
”
Put the sensor inside the PH7 buffer solution;
The displ
ay shows the measure; when the measure is stabilized only the “pH” wr
ite ins flashing.
Push CAL to confirm the calibration, on the display flashing
“9.0 pH”
Clean the sensor with a moistened paper handkerchief with water
Put the sensor inside the pH9 buffer solution
The display shows the measure; when the measure is stabilized only the “pH” wr
ite is flashing.
Push CAL to confirm the calibration.
The RACER COMPACT is in measure and dosing mode
If the calibration value does not correspond to the theoretical value (eg: probe malfunction or spoiled buffer solution) RACER
COMPACT still carries out the calibration procedure but the flashing display indicates an alarm condition.
Switch the RACER COMPACT off and on again to stop the alarm message.
Redox (mV)
Push CAL key for at least 3 seconds,
The display shows and flashing
“
650
mV
”
Put the sensor inside the 650 mV buffer solution
The display shows the measure; when the measure is stabilized only the “
mV
” wr
ite is flashing.
Push CAL to confirm the calibration.
The RACER COMPACT is in measure and dosing mode
If the calibration value does not correspond to the theoretical value (eg: probe malfunction or spoiled buffer solution) The
RACER COMPACT still carries out the calibration procedure but the flashing display indicates an alarm condition.
Switch the RACER COMPACT off and on again to stop the alarm message
Configuration and Reset procedure
The RACER COMPACT must be switched-off
Switch on the RACER COMPACT
Within 5 seconds after the switch-on push contemporary SET + CAL
The display shows “
pH
” o “
mV
”,
depending how was setting the product
Push the CAL key to select the measure type
“
pH
”, “
mV
” (Redox) o
r
“
tst
Push the SEL key to select the choice
tst
With this configuration the pump performs a general test, turning on the whole display and the dosing pump for a few seconds; then,
the message "
tst
" appears again on the display
Push the CAL key to select the measurement and push the SET key to confirm the choice
pH
B
y confirming pH with the SET key, the display shows “AL”, alkaline, the dosing pump is activated when the value of the
measurement is lower than the value of the Set-point, push SET to confirm this working mode, The RACER COMPACT returns to
measurement and dosing mode
or
by pressing CAL the display shows "AC", acid, the dosing pump is activated when the value of the measurement is higher than the
value of the Set-point, push SET to confirm this working mode; The RACER COMPACT returns to measurement and dosing mode
