Advertisement
Restore Factory Calibration
Readings are consistently higher
than expected.
To restore the default calibration,
Check the sample cuvette for dirt, scratches and
select this option and press 'OK'.
marks. Turbidity is an optical measurement and
Choose to continue - 'Yes'/'No'.
will be adversely affected by unwanted items in
The screen will show 'Successful'.
the optical paths.
Index the cuvette using the 'Continuous-
4.8 Care and Maintenance
Capture' mode to ensure the most accurate
reading position is selected.
The Turbimeter Plus has been tested for IP67
compliance so accidental immersion will not
Apply a thin film of silicone oil to the cuvette to
damage the internal components.
'fill in' any scratches. Replace the cuvette with a
new, unused cuvette.
Sample cuvette should be clean and dry prior to
insertion into the sample holder. Lint free cloths
Check the calibration using the supplied standards
are provided for this purpose.
to ensure no offset has been inadvertently applied.
Recalibrate if necessary.
Silicon oil is also present to use on scratched
cuvette surfaces. Its use should not be necessary
Readings are consistently lower
unless turbidity readings are consistently higher
than expected.
than expected. If required place two or three
Fouling in the optical chamber may prevent the
drops onto the vial and smear across the glass
sources being transmitted with full intensity. The
using the lint free cloth.
unique QuadoptiX™ system will prevent this issue
Indexing cells to find the optimal position for
arising in all but the most challenging circumstances.
turbidity measurement is recommended, especially
Gently clean the optical chamber using a soft,
if measuring low values. The Continuous-Capture
damp cloth. Do not use abrasive materials.
reading mode contains more details on the
Recalibrate the meter using the supplied
suggested method.
standards to remove the offset.
User calibration is advised on a need-only basis,
Readings are unstable/variable.
using the supplied SDVB standards. Calibration
Turbidity is a measurement of scattered light with
frequency is at the user discretion and can be
the source of scattering being microscopic and
deduced by using the Check Standard mode.
larger solids present in the sample. Solids can be
Subjecting the standards to prolonged exposure
Compact Turbidity Meter Technical Specification
to freezing temperatures will destroy the SDVB
standards, seen by physical settling and a
Ingress Protection
lowering of the NTU value. The use of a WP48
Weight
Heat Pad is recommenced in these circumstances
Dimensions
to prevent standard degradation.
Temp/Humidity Limit
Standards have a 12 month stability and
User Interface
should be replaced after this date. Replacement
Power
calibration sets are available, part number
PTC 092, from your supplier or direct from
Optical System
Palintest Ltd.
Result Units
No prescribed maintenance intervals are possible
Range
due to the high dependence on frequency of
Accuracy
use, types of samples and conditions and user
Resolution
protocol. Service and maintenance is available
Languages
via authorised service centres or direct from
Result Log
Palintest Ltd.
33
IP67
340g (inc batteries)
50 x 82 x 225mm
0 - 50ºC/90%
Backlit LCD screen, four soft keys, power button
2 "AA" batteries, 5000 readings average, power indication and auto-off
QuadoptiX™ system, 860nm LED source
NTU, FTU, FNU, mg/l (TSS)
0 - 1050NTU
2% of reading
0.01NTU up to 9.99NTU, 0.1NTU up to 99.9NTU, 1NTU above 100NTU
English, French, Spanish, German, Italian
100 data points including time, date, Operator ID, Sample ID, measurement mode
Compact Turbimeter
Turbimeter Plus
mobile or settle during measurement leading to
Troubleshooting
changes in readings over time.
The Turbimeter Plus has internal diagnostics
to advise on some issues as follows:
Using the 'Continuous-Capture' mode will
show the changes over time.
Error 100 - Measurement Off-Scale
Using the 'Average' mode will remove/reduce
The reading is above 1050 NTU. Dilute using the
the effects of settling or mobile solids.
provided PT 512 Dilution Tube and re-measure.
The QuadoptiX™ system measures at four
Error 101 - Incorrect Standard
points and will also reduce the effects of solid
distribution across the sample cuvette.
The standard inserted is either the incorrect value
or is no longer within an acceptable tolerance for
Total Suspended Solids (TSS)
calibration. Use the correct standard or replace
The relationship between TSS and turbidity is
the expired calibration set.
a site/sample/season specific correlation and
will require frequent validation. If results vary
Error 107 - Blanking Error
significantly from laboratory data a repeat
The sample cuvette cap is not attached allowing
calibration should be carried out.
ambient light into the QuadoptiX™ chamber
Technical Support and Warranty
or the sample cuvette is not fully inserted.
Replace the cap and read again or fully insert
For technical questions, reports of issues and any
the sample cuvette.
aspects related to this product, please contact your
Palintest representative or support@palintest.com
If this error persists place a capped, clean, dry
tube in the chamber and press "Ref Reset".
When requesting technical or warranty support,
please quote instrument serial number found on
Error 110 - Battery Low
the underside of the Compact Turbimeter and in
The available power is insufficient to support
the System/Version area of the software.
reliable analysis. Replace the batteries or switch
The Compact Turbimeter has a two year warranty.
to USB power.
Calibration standards supplied have a 12 month
Error 111 - Battery Critical
stability. Replacement sets are available with part
code PTC 090.
Battery level is critically low and the instrument
will automatically shut down immediately to
Other replacement items are also available via your
ensure all data is written to the memory correctly.
authorised representative or direct from Palintest Ltd.
Readings are consistently
higher than expected
Check the sample cuvette for dirt, scratches and
marks. Turbidity is an optical measurement and
will be adversely affected by unwanted items in
the optical paths.
Index the cuvette using the 'Continuous-Capture'
mode to ensure the most accurate reading
position is selected.
Apply a thin film of silicone oil to the cuvette
to 'fill in' any scratches.
Replace the cuvette with a new, unused cuvette.
Check the calibration using the supplied
standards to ensure no offset has been
inadvertently applied. Recalibrate if necessary.
4
4
33
37
Advertisement
