dosatron D30 GL 1 EC Manuel D'utilisation page 28

Please refer to the drawings of the different models at the end of this manual
- Turn off the water supply and allow the pressure to drop to zero.
- Open the D30GL unit (Fig. 6).
- Take off the suction tube of product (Fig. 17).
- Unscrew the retaining ring (Fig. 18).
- Pull downwards to remove the injection assembly (Fig. 19).
- Change the seals, the suction valve and the barbed fitting.
- Re-assemble in the reverse order to the above
- Close the D30GL unit (Fig. 7).
Fig. 17 Fig. 18
- Turn off the water supply and allow the pressure to drop to zero.
- Open the D30GL unit (Fig. 6).
- Unscrew the nut and pull downwards
to remove the suction
tube .
- Unscrew and take off the
suction valve retaining nut (Fig.
21), pull out the valve assembly,
dismantle the valve and
thoroughly rinse the separate
components in clean water.
- Put the valve components in
the order shown in the diagram
(Fig. 22).
- Re-assemble the components
in the reverse order to the
dismantling process.
- Close the D30GL unit (Fig. 7).
© © DOSATRON INTERNATIONAL / 52 DOSATRON INTERNATIONAL / 52
Fig. 19
Fig. 21 Fig. 22
ECTESTOC-3D-P DOSATRON SONDE 1R26-CTM-COS probe
Specially designed for the qualitative control of circulating fluids.
A 3-digit LED display provides a direct reading of the metering and calibration
values.
A red light indicator makes it possible to check the internal battery charging
level.
A probe featuring stainless steel electrodes provides a virtually unlimited
service life under normal operating conditions. The temperature compensation
is carried out using a NTC thermistor probe.
Automatic range
Measuring unit
Resolution
Accuracy:
Calibration
Temperature correction
Power supply
Current consumption
Display
Casing
Probe connection
Specific functions
Markings
© © DOSATRON INTERNATIONAL / 53 DOSATRON INTERNATIONAL / 53
0.0 - 5.0 mS/cm
Millisiemens
0.1 mS/cm
+/- 5% at full scale
Automatic using a 1.413 mS conductivity
buffer solution
Automatic, 0 - 65°C (ref. temp.: 25°C,
coefficient fixed at 2%/°C)
2 x 1.5 V AA size batteries
30 mA/hr
Display time: 20 seconds (measured values
displayed in 3 digits)
IP65 rated waterproof enclosure, ABS
material, dimensions: 130 x 80 x 50 cm
3 screw terminals
Low battery warning indicator: red light
Instant reading button (20-second display)
Probe calibration button
CE, and serial No.