TO BEGIN – Every Day
•
Switch the instrument on by connecting the USB cable to a computer or USB wall
outlet adapter and pressing the READ button; the screen will be illuminated after a
few seconds
•
Ensure the you have the following items ready and available near the T10 meter:
o
T10 Calibration Kit
o
T10 Secondary Standards Kit (optional)
o
Empty Cuvettes for T10 Meter
o
Laboratory Gloves
**wear at all times when performing turbidity calibrations or analysis**
o
Lint-Free Wipes
o
Samples for Analysis
PERFORM THE GUIDED CALIBRATION – Every 3 Months or As Needed
•
Hold the MENU button for three seconds to bring up the instrument menu.
•
Press the ↓
button to show
to start the calibration
•
Use a lint-free wipe to wipe down the sides of the sealed 0.02NTU standard cuvette, then place it in the measuring chamber
and close the lid
•
Press
to start the measurement, and you will see
standard at this time by inverting it slowly 10-20 times
•
When prompted to insert the 20NTU standard, use a lint-free wipe to wipe down the sides of the sealed 20NTU standard
cuvette, then place it in the measuring chamber
•
Press
to start the measurement, then repeat the above steps for the 100NTU and 800NTU sealed standards
•
Upon finishing the measurement of the 800NTU standard, the meter screen will return to the calibration menu. Press the
button until you see the NTU reading on screen
NOTE: If the calibration fails the internal criteria of slope > 4 or < 0.25 the screen will display "Calibration Fail" and it will need to be
performed again.
PERFORM THE FREE CALIBRATION – Every Month or As Needed
•
Prepare an NTU standard according to the table below, and pour into one of the empty cuvettes
NTU Standard
mL 100NTU Stock
0.5 NTU
0.2 mL
1.0 NTU
0.4 mL
5.0 NTU
2.0 mL
•
Hold the MENU button for three seconds to bring up the instrument menu.
•
Press the ↓
button to show
button to show
•
Use a lint-free wipe to wipe down the sides of the cuvette containing the NTU standard, then place it in the measuring
chamber and close the lid
•
Press the
button and the meter will start the measurement. You will see the result appear on screen once done.
•
Use the arrow buttons to adjust the measured NTU to the expected NTU value of the standard. Hold the SAVE button for 3
seconds to save the free calibration point.
•
Repeat the above steps for additional standards, if desired. Once finished, press the ESC button until the NTU reading appears
back on screen.
T10 Turbidity Meter
Quick Start Guide for Benchtop Systems
, press the
mL DI Water
39.8 mL
39.6 mL
38.0 mL
, press the
then press the
button again to start the calibration
button to show
then press the
show on the meter screen. Prepare the 20NTU
NTU Standard
mL 100NTU Stock
10.0 NTU
4.0 mL
20.0 NTU
8.0 mL
50.0 NTU
20.0 mL
button to enter the calibration menu, press the ↓
button again
mL DI Water
36.0 mL
32.0 mL
20.0 mL
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