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10.1
pH module
Temperature module
Temperature
probe
1
red
yellow
2
3
black
Free Chlorine control
1
2
3
4
Free Chlorine probe
3
red
4
black
Chlorine probe detector
FL2
(rotameter)
3
black
brown
5
blue
6
If using a Variable Speed
Pump, calibrate the probe
using the lowest filtration
speed.
10. MEASUREMENTS
10.2
10.1 pH Calibration
10.11
pH
10.2 Temperature calibration
10.21
1 2 3
10.3 Free Chlorine calibration
10.31
10.32
10.34
10.35
10.37
1
2
3
4
5
6
7
8
4
10.3
10.1 Measurements: Adjustment of setpoints and measuring probes.
10.2 Setpoints for each measurement.
10.3 Setpoints:
pH: 7.0-7.4; redox: 600 - 800 mV; free chlorine: 0.1- 0.5 ppm; conductivity:
~ 2000 μS
10.12
10.13
10.14
10.15
10.22
10.22 Temperature calibration: To set the difference
between the measured value of the probe and the actual
temperature, use the plus/minus and up/down keys.
Set to the actual temperature of the probe and press OK.
Attention: Do not calibrate if the free chlorine
level is below 0.3 ppm!
10.33
10.31 Calibration of the Free Chlorine probe:
Recommended at least every 2 to 3 months
10.32 Calibration with buffer (photometer DPD1): Follow
the instructions in 6 steps that appear in the display.
10.33 Step 1 of 6 - Calibrate Cl at 0 ppm (offset): Close
the water flow through the probe and wait for 5 to 60 min
until the reading is close to 0. Press OK
10.36
10.34 Step 3 of 6 - Calibrate Cl: Set the water flow to
the correct rate of 80-100 litres/hour. Wait for 5 to 20 min
until there is a stable ppm reading. Press OK.
10.35 Step 5 of 6 - Establish the real ppm values with the
plus/minus keys according to your DPD1 (free chlorine)
value
10.36 Step 6 of 6 - If this screen is not shown repeat the
calibration process.
10.38
4.38 Manual calibration: Open the water flow and set the
flowmeter (rotameter) to the correct flowrate (50-100l/h).
Wait until the current level is stable. Set the chlorine level
with the plus/minus keys, manually (use a manual DPD1
test kit). Press OK when value is correct.
10.11 Calibration of pH probe: Recom-
mended at least every 2-3 months during the
usage season. Calibrate it always first with
the Buffer (2pt).
10.12 Calibration with buffers (buffer pH7 /
pH10 / neutral): Follow the instructions that
appear on the display.
10.14
Manual
calibration:
manual adjustment of the probes – only
recommended to correct small deviations in
the readings.
10.15 Without removing the probe from the
water, use the plus/minus keys to adjust the
reading so it matches your reference value
(photometer or other measurement).
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