Trace2O HydroCheck HC1000, Instruction Manual

Page: 60 / 62

Trace2o Ltd Rev1.0
Blank analysis:

Ensure that the 10ml vial is clean.

Fill the vial with 10ml of the water sample.

Fit the cap and tighten.

Place the vial in the sample chamber, making sure that the arrow marks on the instrument
and vial are aligned.

Press the zero key

Wait until the following is displayed
Sample preparation:

Add one Nitrite LR tablet straight from the foil to the water sample.

Crush the tablet using a clean stirring rod, until no large pieces are visible.

Close the vial tightly with the cap and swirl several times until the tablet is dissolved.
Analysis :

Place the vial in the sample chamber, making sure that the marks on the instrument and vial
are aligned.

Press the Test key

Wait for a reaction period of 10 minutes

After the reaction period, the measurement starts and the result is displayed in mg/l Nitrite.
LOD/Tolerance

The Lower LOD is 0.01 mg/l (10ppb), upper LOD is 0.5 mg/l (500ppb).

Tolerance: ± 0.005mg/l.
Zero accepted
Prepare Test
Press TEST