Blanks And Samples; Taking A Reading - palintest Compact Ozone Meter Instructions Manual

Blanks and Samples

Palintest photometers use a BLANK tube to set the
instrument to blank and a SAMPLE tube to take the reading.
A BLANK tube is a test tube filled with untreated water
sample. A SAMPLE tube is a test tube containing the sample
to which reagents have been added in accordance with the
test procedure described.
The blank setting is held in memory. It is not necessary to reset
the blank each time a reading is taken if the water samples to
be tested are from the same body of water and the conditions
of use are the same. The blank setting can be confirmed if
necessary by taking a test reading on the blank tube.

Taking a Reading

1 Press the 'on/off' button to start the unit.
2 Press the 'menu' button until the test you wish to perform
is indicated on the screen.
3 Insert your blank tube and press the 'blank sample'
button.
4 An image displaying a blank tube will be displayed on
screen. When this is replaced by 0.00 the instrument is
finished blanking and ready to take a reading.
5 Remove your blank tube and replace it with the sample
tube. Press the 'Read Sample' button to take a reading.
The result will be displayed on screen in mg/l.
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